models.rs

  1use serde::{Deserialize, Serialize};
  2use strum::EnumIter;
  3
  4#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
  5#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq)]
  6pub enum BedrockModelMode {
  7    #[default]
  8    Default,
  9    Thinking {
 10        budget_tokens: Option<u64>,
 11    },
 12}
 13
 14#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 15#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, EnumIter)]
 16pub enum Model {
 17    // Anthropic models (already included)
 18    #[default]
 19    #[serde(rename = "claude-sonnet-4", alias = "claude-sonnet-4-latest")]
 20    ClaudeSonnet4,
 21    #[serde(
 22        rename = "claude-sonnet-4-thinking",
 23        alias = "claude-sonnet-4-thinking-latest"
 24    )]
 25    ClaudeSonnet4Thinking,
 26    #[serde(rename = "claude-opus-4", alias = "claude-opus-4-latest")]
 27    ClaudeOpus4,
 28    #[serde(
 29        rename = "claude-opus-4-thinking",
 30        alias = "claude-opus-4-thinking-latest"
 31    )]
 32    ClaudeOpus4Thinking,
 33    #[serde(rename = "claude-3-5-sonnet-v2", alias = "claude-3-5-sonnet-latest")]
 34    Claude3_5SonnetV2,
 35    #[serde(rename = "claude-3-7-sonnet", alias = "claude-3-7-sonnet-latest")]
 36    Claude3_7Sonnet,
 37    #[serde(
 38        rename = "claude-3-7-sonnet-thinking",
 39        alias = "claude-3-7-sonnet-thinking-latest"
 40    )]
 41    Claude3_7SonnetThinking,
 42    #[serde(rename = "claude-3-opus", alias = "claude-3-opus-latest")]
 43    Claude3Opus,
 44    #[serde(rename = "claude-3-sonnet", alias = "claude-3-sonnet-latest")]
 45    Claude3Sonnet,
 46    #[serde(rename = "claude-3-5-haiku", alias = "claude-3-5-haiku-latest")]
 47    Claude3_5Haiku,
 48    Claude3_5Sonnet,
 49    Claude3Haiku,
 50    // Amazon Nova Models
 51    AmazonNovaLite,
 52    AmazonNovaMicro,
 53    AmazonNovaPro,
 54    AmazonNovaPremier,
 55    // AI21 models
 56    AI21J2GrandeInstruct,
 57    AI21J2JumboInstruct,
 58    AI21J2Mid,
 59    AI21J2MidV1,
 60    AI21J2Ultra,
 61    AI21J2UltraV1_8k,
 62    AI21J2UltraV1,
 63    AI21JambaInstructV1,
 64    AI21Jamba15LargeV1,
 65    AI21Jamba15MiniV1,
 66    // Cohere models
 67    CohereCommandTextV14_4k,
 68    CohereCommandRV1,
 69    CohereCommandRPlusV1,
 70    CohereCommandLightTextV14_4k,
 71    // DeepSeek
 72    DeepSeekR1,
 73    // Meta models
 74    MetaLlama38BInstructV1,
 75    MetaLlama370BInstructV1,
 76    MetaLlama318BInstructV1_128k,
 77    MetaLlama318BInstructV1,
 78    MetaLlama3170BInstructV1_128k,
 79    MetaLlama3170BInstructV1,
 80    MetaLlama31405BInstructV1,
 81    MetaLlama321BInstructV1,
 82    MetaLlama323BInstructV1,
 83    MetaLlama3211BInstructV1,
 84    MetaLlama3290BInstructV1,
 85    MetaLlama3370BInstructV1,
 86    #[allow(non_camel_case_types)]
 87    MetaLlama4Scout17BInstructV1,
 88    #[allow(non_camel_case_types)]
 89    MetaLlama4Maverick17BInstructV1,
 90    // Mistral models
 91    MistralMistral7BInstructV0,
 92    MistralMixtral8x7BInstructV0,
 93    MistralMistralLarge2402V1,
 94    MistralMistralSmall2402V1,
 95    MistralPixtralLarge2502V1,
 96    // Writer models
 97    PalmyraWriterX5,
 98    PalmyraWriterX4,
 99    #[serde(rename = "custom")]
100    Custom {
101        name: String,
102        max_tokens: u64,
103        /// The name displayed in the UI, such as in the assistant panel model dropdown menu.
104        display_name: Option<String>,
105        max_output_tokens: Option<u64>,
106        default_temperature: Option<f32>,
107    },
108}
109
110impl Model {
111    pub fn default_fast() -> Self {
112        Self::Claude3_5Haiku
113    }
114
115    pub fn from_id(id: &str) -> anyhow::Result<Self> {
116        if id.starts_with("claude-3-5-sonnet-v2") {
117            Ok(Self::Claude3_5SonnetV2)
118        } else if id.starts_with("claude-3-opus") {
119            Ok(Self::Claude3Opus)
120        } else if id.starts_with("claude-3-sonnet") {
121            Ok(Self::Claude3Sonnet)
122        } else if id.starts_with("claude-3-5-haiku") {
123            Ok(Self::Claude3_5Haiku)
124        } else if id.starts_with("claude-3-7-sonnet") {
125            Ok(Self::Claude3_7Sonnet)
126        } else if id.starts_with("claude-3-7-sonnet-thinking") {
127            Ok(Self::Claude3_7SonnetThinking)
128        } else {
129            anyhow::bail!("invalid model id {id}");
130        }
131    }
132
133    pub fn id(&self) -> &str {
134        match self {
135            Model::ClaudeSonnet4 => "claude-4-sonnet",
136            Model::ClaudeSonnet4Thinking => "claude-4-sonnet-thinking",
137            Model::ClaudeOpus4 => "claude-4-opus",
138            Model::ClaudeOpus4Thinking => "claude-4-opus-thinking",
139            Model::Claude3_5SonnetV2 => "claude-3-5-sonnet-v2",
140            Model::Claude3_5Sonnet => "claude-3-5-sonnet",
141            Model::Claude3Opus => "claude-3-opus",
142            Model::Claude3Sonnet => "claude-3-sonnet",
143            Model::Claude3Haiku => "claude-3-haiku",
144            Model::Claude3_5Haiku => "claude-3-5-haiku",
145            Model::Claude3_7Sonnet => "claude-3-7-sonnet",
146            Model::Claude3_7SonnetThinking => "claude-3-7-sonnet-thinking",
147            Model::AmazonNovaLite => "amazon-nova-lite",
148            Model::AmazonNovaMicro => "amazon-nova-micro",
149            Model::AmazonNovaPro => "amazon-nova-pro",
150            Model::AmazonNovaPremier => "amazon-nova-premier",
151            Model::DeepSeekR1 => "deepseek-r1",
152            Model::AI21J2GrandeInstruct => "ai21-j2-grande-instruct",
153            Model::AI21J2JumboInstruct => "ai21-j2-jumbo-instruct",
154            Model::AI21J2Mid => "ai21-j2-mid",
155            Model::AI21J2MidV1 => "ai21-j2-mid-v1",
156            Model::AI21J2Ultra => "ai21-j2-ultra",
157            Model::AI21J2UltraV1_8k => "ai21-j2-ultra-v1-8k",
158            Model::AI21J2UltraV1 => "ai21-j2-ultra-v1",
159            Model::AI21JambaInstructV1 => "ai21-jamba-instruct-v1",
160            Model::AI21Jamba15LargeV1 => "ai21-jamba-1-5-large-v1",
161            Model::AI21Jamba15MiniV1 => "ai21-jamba-1-5-mini-v1",
162            Model::CohereCommandTextV14_4k => "cohere-command-text-v14-4k",
163            Model::CohereCommandRV1 => "cohere-command-r-v1",
164            Model::CohereCommandRPlusV1 => "cohere-command-r-plus-v1",
165            Model::CohereCommandLightTextV14_4k => "cohere-command-light-text-v14-4k",
166            Model::MetaLlama38BInstructV1 => "meta-llama3-8b-instruct-v1",
167            Model::MetaLlama370BInstructV1 => "meta-llama3-70b-instruct-v1",
168            Model::MetaLlama318BInstructV1_128k => "meta-llama3-1-8b-instruct-v1-128k",
169            Model::MetaLlama318BInstructV1 => "meta-llama3-1-8b-instruct-v1",
170            Model::MetaLlama3170BInstructV1_128k => "meta-llama3-1-70b-instruct-v1-128k",
171            Model::MetaLlama3170BInstructV1 => "meta-llama3-1-70b-instruct-v1",
172            Model::MetaLlama31405BInstructV1 => "meta-llama3-1-405b-instruct-v1",
173            Model::MetaLlama321BInstructV1 => "meta-llama3-2-1b-instruct-v1",
174            Model::MetaLlama323BInstructV1 => "meta-llama3-2-3b-instruct-v1",
175            Model::MetaLlama3211BInstructV1 => "meta-llama3-2-11b-instruct-v1",
176            Model::MetaLlama3290BInstructV1 => "meta-llama3-2-90b-instruct-v1",
177            Model::MetaLlama3370BInstructV1 => "meta-llama3-3-70b-instruct-v1",
178            Model::MetaLlama4Scout17BInstructV1 => "meta-llama4-scout-17b-instruct-v1",
179            Model::MetaLlama4Maverick17BInstructV1 => "meta-llama4-maverick-17b-instruct-v1",
180            Model::MistralMistral7BInstructV0 => "mistral-7b-instruct-v0",
181            Model::MistralMixtral8x7BInstructV0 => "mistral-mixtral-8x7b-instruct-v0",
182            Model::MistralMistralLarge2402V1 => "mistral-large-2402-v1",
183            Model::MistralMistralSmall2402V1 => "mistral-small-2402-v1",
184            Model::MistralPixtralLarge2502V1 => "mistral-pixtral-large-2502-v1",
185            Model::PalmyraWriterX4 => "palmyra-writer-x4",
186            Model::PalmyraWriterX5 => "palmyra-writer-x5",
187            Self::Custom { name, .. } => name,
188        }
189    }
190
191    pub fn request_id(&self) -> &str {
192        match self {
193            Model::ClaudeSonnet4 | Model::ClaudeSonnet4Thinking => {
194                "anthropic.claude-sonnet-4-20250514-v1:0"
195            }
196            Model::ClaudeOpus4 | Model::ClaudeOpus4Thinking => {
197                "anthropic.claude-opus-4-20250514-v1:0"
198            }
199            Model::Claude3_5SonnetV2 => "anthropic.claude-3-5-sonnet-20241022-v2:0",
200            Model::Claude3_5Sonnet => "anthropic.claude-3-5-sonnet-20240620-v1:0",
201            Model::Claude3Opus => "anthropic.claude-3-opus-20240229-v1:0",
202            Model::Claude3Sonnet => "anthropic.claude-3-sonnet-20240229-v1:0",
203            Model::Claude3Haiku => "anthropic.claude-3-haiku-20240307-v1:0",
204            Model::Claude3_5Haiku => "anthropic.claude-3-5-haiku-20241022-v1:0",
205            Model::Claude3_7Sonnet | Model::Claude3_7SonnetThinking => {
206                "anthropic.claude-3-7-sonnet-20250219-v1:0"
207            }
208            Model::AmazonNovaLite => "amazon.nova-lite-v1:0",
209            Model::AmazonNovaMicro => "amazon.nova-micro-v1:0",
210            Model::AmazonNovaPro => "amazon.nova-pro-v1:0",
211            Model::AmazonNovaPremier => "amazon.nova-premier-v1:0",
212            Model::DeepSeekR1 => "deepseek.r1-v1:0",
213            Model::AI21J2GrandeInstruct => "ai21.j2-grande-instruct",
214            Model::AI21J2JumboInstruct => "ai21.j2-jumbo-instruct",
215            Model::AI21J2Mid => "ai21.j2-mid",
216            Model::AI21J2MidV1 => "ai21.j2-mid-v1",
217            Model::AI21J2Ultra => "ai21.j2-ultra",
218            Model::AI21J2UltraV1_8k => "ai21.j2-ultra-v1:0:8k",
219            Model::AI21J2UltraV1 => "ai21.j2-ultra-v1",
220            Model::AI21JambaInstructV1 => "ai21.jamba-instruct-v1:0",
221            Model::AI21Jamba15LargeV1 => "ai21.jamba-1-5-large-v1:0",
222            Model::AI21Jamba15MiniV1 => "ai21.jamba-1-5-mini-v1:0",
223            Model::CohereCommandTextV14_4k => "cohere.command-text-v14:7:4k",
224            Model::CohereCommandRV1 => "cohere.command-r-v1:0",
225            Model::CohereCommandRPlusV1 => "cohere.command-r-plus-v1:0",
226            Model::CohereCommandLightTextV14_4k => "cohere.command-light-text-v14:7:4k",
227            Model::MetaLlama38BInstructV1 => "meta.llama3-8b-instruct-v1:0",
228            Model::MetaLlama370BInstructV1 => "meta.llama3-70b-instruct-v1:0",
229            Model::MetaLlama318BInstructV1_128k => "meta.llama3-1-8b-instruct-v1:0",
230            Model::MetaLlama318BInstructV1 => "meta.llama3-1-8b-instruct-v1:0",
231            Model::MetaLlama3170BInstructV1_128k => "meta.llama3-1-70b-instruct-v1:0",
232            Model::MetaLlama3170BInstructV1 => "meta.llama3-1-70b-instruct-v1:0",
233            Model::MetaLlama31405BInstructV1 => "meta.llama3-1-405b-instruct-v1:0",
234            Model::MetaLlama3211BInstructV1 => "meta.llama3-2-11b-instruct-v1:0",
235            Model::MetaLlama3290BInstructV1 => "meta.llama3-2-90b-instruct-v1:0",
236            Model::MetaLlama321BInstructV1 => "meta.llama3-2-1b-instruct-v1:0",
237            Model::MetaLlama323BInstructV1 => "meta.llama3-2-3b-instruct-v1:0",
238            Model::MetaLlama3370BInstructV1 => "meta.llama3-3-70b-instruct-v1:0",
239            Model::MetaLlama4Scout17BInstructV1 => "meta.llama4-scout-17b-instruct-v1:0",
240            Model::MetaLlama4Maverick17BInstructV1 => "meta.llama4-maverick-17b-instruct-v1:0",
241            Model::MistralMistral7BInstructV0 => "mistral.mistral-7b-instruct-v0:2",
242            Model::MistralMixtral8x7BInstructV0 => "mistral.mixtral-8x7b-instruct-v0:1",
243            Model::MistralMistralLarge2402V1 => "mistral.mistral-large-2402-v1:0",
244            Model::MistralMistralSmall2402V1 => "mistral.mistral-small-2402-v1:0",
245            Model::MistralPixtralLarge2502V1 => "mistral.pixtral-large-2502-v1:0",
246            Model::PalmyraWriterX4 => "writer.palmyra-x4-v1:0",
247            Model::PalmyraWriterX5 => "writer.palmyra-x5-v1:0",
248            Self::Custom { name, .. } => name,
249        }
250    }
251
252    pub fn display_name(&self) -> &str {
253        match self {
254            Self::ClaudeSonnet4 => "Claude Sonnet 4",
255            Self::ClaudeSonnet4Thinking => "Claude Sonnet 4 Thinking",
256            Self::ClaudeOpus4 => "Claude Opus 4",
257            Self::ClaudeOpus4Thinking => "Claude Opus 4 Thinking",
258            Self::Claude3_5SonnetV2 => "Claude 3.5 Sonnet v2",
259            Self::Claude3_5Sonnet => "Claude 3.5 Sonnet",
260            Self::Claude3Opus => "Claude 3 Opus",
261            Self::Claude3Sonnet => "Claude 3 Sonnet",
262            Self::Claude3Haiku => "Claude 3 Haiku",
263            Self::Claude3_5Haiku => "Claude 3.5 Haiku",
264            Self::Claude3_7Sonnet => "Claude 3.7 Sonnet",
265            Self::Claude3_7SonnetThinking => "Claude 3.7 Sonnet Thinking",
266            Self::AmazonNovaLite => "Amazon Nova Lite",
267            Self::AmazonNovaMicro => "Amazon Nova Micro",
268            Self::AmazonNovaPro => "Amazon Nova Pro",
269            Self::AmazonNovaPremier => "Amazon Nova Premier",
270            Self::DeepSeekR1 => "DeepSeek R1",
271            Self::AI21J2GrandeInstruct => "AI21 Jurassic2 Grande Instruct",
272            Self::AI21J2JumboInstruct => "AI21 Jurassic2 Jumbo Instruct",
273            Self::AI21J2Mid => "AI21 Jurassic2 Mid",
274            Self::AI21J2MidV1 => "AI21 Jurassic2 Mid V1",
275            Self::AI21J2Ultra => "AI21 Jurassic2 Ultra",
276            Self::AI21J2UltraV1_8k => "AI21 Jurassic2 Ultra V1 8K",
277            Self::AI21J2UltraV1 => "AI21 Jurassic2 Ultra V1",
278            Self::AI21JambaInstructV1 => "AI21 Jamba Instruct",
279            Self::AI21Jamba15LargeV1 => "AI21 Jamba 1.5 Large",
280            Self::AI21Jamba15MiniV1 => "AI21 Jamba 1.5 Mini",
281            Self::CohereCommandTextV14_4k => "Cohere Command Text V14 4K",
282            Self::CohereCommandRV1 => "Cohere Command R V1",
283            Self::CohereCommandRPlusV1 => "Cohere Command R Plus V1",
284            Self::CohereCommandLightTextV14_4k => "Cohere Command Light Text V14 4K",
285            Self::MetaLlama38BInstructV1 => "Meta Llama 3 8B Instruct",
286            Self::MetaLlama370BInstructV1 => "Meta Llama 3 70B Instruct",
287            Self::MetaLlama318BInstructV1_128k => "Meta Llama 3.1 8B Instruct 128K",
288            Self::MetaLlama318BInstructV1 => "Meta Llama 3.1 8B Instruct",
289            Self::MetaLlama3170BInstructV1_128k => "Meta Llama 3.1 70B Instruct 128K",
290            Self::MetaLlama3170BInstructV1 => "Meta Llama 3.1 70B Instruct",
291            Self::MetaLlama31405BInstructV1 => "Meta Llama 3.1 405B Instruct",
292            Self::MetaLlama3211BInstructV1 => "Meta Llama 3.2 11B Instruct",
293            Self::MetaLlama3290BInstructV1 => "Meta Llama 3.2 90B Instruct",
294            Self::MetaLlama321BInstructV1 => "Meta Llama 3.2 1B Instruct",
295            Self::MetaLlama323BInstructV1 => "Meta Llama 3.2 3B Instruct",
296            Self::MetaLlama3370BInstructV1 => "Meta Llama 3.3 70B Instruct",
297            Self::MetaLlama4Scout17BInstructV1 => "Meta Llama 4 Scout 17B Instruct",
298            Self::MetaLlama4Maverick17BInstructV1 => "Meta Llama 4 Maverick 17B Instruct",
299            Self::MistralMistral7BInstructV0 => "Mistral 7B Instruct V0",
300            Self::MistralMixtral8x7BInstructV0 => "Mistral Mixtral 8x7B Instruct V0",
301            Self::MistralMistralLarge2402V1 => "Mistral Large 2402 V1",
302            Self::MistralMistralSmall2402V1 => "Mistral Small 2402 V1",
303            Self::MistralPixtralLarge2502V1 => "Pixtral Large 25.02 V1",
304            Self::PalmyraWriterX5 => "Writer Palmyra X5",
305            Self::PalmyraWriterX4 => "Writer Palmyra X4",
306            Self::Custom {
307                display_name, name, ..
308            } => display_name.as_deref().unwrap_or(name),
309        }
310    }
311
312    pub fn max_token_count(&self) -> u64 {
313        match self {
314            Self::Claude3_5SonnetV2
315            | Self::Claude3Opus
316            | Self::Claude3Sonnet
317            | Self::Claude3_5Haiku
318            | Self::Claude3_7Sonnet
319            | Self::ClaudeSonnet4
320            | Self::ClaudeOpus4
321            | Self::ClaudeSonnet4Thinking
322            | Self::ClaudeOpus4Thinking => 200_000,
323            Self::AmazonNovaPremier => 1_000_000,
324            Self::PalmyraWriterX5 => 1_000_000,
325            Self::PalmyraWriterX4 => 128_000,
326            Self::Custom { max_tokens, .. } => *max_tokens,
327            _ => 128_000,
328        }
329    }
330
331    pub fn max_output_tokens(&self) -> u64 {
332        match self {
333            Self::Claude3Opus | Self::Claude3Sonnet | Self::Claude3_5Haiku => 4_096,
334            Self::Claude3_7Sonnet
335            | Self::Claude3_7SonnetThinking
336            | Self::ClaudeSonnet4
337            | Self::ClaudeSonnet4Thinking
338            | Self::ClaudeOpus4
339            | Model::ClaudeOpus4Thinking => 128_000,
340            Self::Claude3_5SonnetV2 | Self::PalmyraWriterX4 | Self::PalmyraWriterX5 => 8_192,
341            Self::Custom {
342                max_output_tokens, ..
343            } => max_output_tokens.unwrap_or(4_096),
344            _ => 4_096,
345        }
346    }
347
348    pub fn default_temperature(&self) -> f32 {
349        match self {
350            Self::Claude3_5SonnetV2
351            | Self::Claude3Opus
352            | Self::Claude3Sonnet
353            | Self::Claude3_5Haiku
354            | Self::Claude3_7Sonnet
355            | Self::ClaudeOpus4
356            | Self::ClaudeOpus4Thinking
357            | Self::ClaudeSonnet4
358            | Self::ClaudeSonnet4Thinking => 1.0,
359            Self::Custom {
360                default_temperature,
361                ..
362            } => default_temperature.unwrap_or(1.0),
363            _ => 1.0,
364        }
365    }
366
367    pub fn supports_tool_use(&self) -> bool {
368        match self {
369            // Anthropic Claude 3 models (all support tool use)
370            Self::Claude3Opus
371            | Self::Claude3Sonnet
372            | Self::Claude3_5Sonnet
373            | Self::Claude3_5SonnetV2
374            | Self::Claude3_7Sonnet
375            | Self::Claude3_7SonnetThinking
376            | Self::ClaudeOpus4
377            | Self::ClaudeOpus4Thinking
378            | Self::ClaudeSonnet4
379            | Self::ClaudeSonnet4Thinking
380            | Self::Claude3_5Haiku => true,
381
382            // Amazon Nova models (all support tool use)
383            Self::AmazonNovaPremier
384            | Self::AmazonNovaPro
385            | Self::AmazonNovaLite
386            | Self::AmazonNovaMicro => true,
387
388            // AI21 Jamba 1.5 models support tool use
389            Self::AI21Jamba15LargeV1 | Self::AI21Jamba15MiniV1 => true,
390
391            // Cohere Command R models support tool use
392            Self::CohereCommandRV1 | Self::CohereCommandRPlusV1 => true,
393
394            // All other models don't support tool use
395            // Including Meta Llama 3.2, AI21 Jurassic, and others
396            _ => false,
397        }
398    }
399
400    pub fn mode(&self) -> BedrockModelMode {
401        match self {
402            Model::Claude3_7SonnetThinking => BedrockModelMode::Thinking {
403                budget_tokens: Some(4096),
404            },
405            Model::ClaudeSonnet4Thinking => BedrockModelMode::Thinking {
406                budget_tokens: Some(4096),
407            },
408            Model::ClaudeOpus4Thinking => BedrockModelMode::Thinking {
409                budget_tokens: Some(4096),
410            },
411            _ => BedrockModelMode::Default,
412        }
413    }
414
415    pub fn cross_region_inference_id(&self, region: &str) -> anyhow::Result<String> {
416        let region_group = if region.starts_with("us-gov-") {
417            "us-gov"
418        } else if region.starts_with("us-") {
419            "us"
420        } else if region.starts_with("eu-") {
421            "eu"
422        } else if region.starts_with("ap-") || region == "me-central-1" || region == "me-south-1" {
423            "apac"
424        } else if region.starts_with("ca-") || region.starts_with("sa-") {
425            // Canada and South America regions - default to US profiles
426            "us"
427        } else {
428            anyhow::bail!("Unsupported Region {region}");
429        };
430
431        let model_id = self.request_id();
432
433        match (self, region_group) {
434            // Custom models can't have CRI IDs
435            (Model::Custom { .. }, _) => Ok(self.request_id().into()),
436
437            // Models with US Gov only
438            (Model::Claude3_5Sonnet, "us-gov") | (Model::Claude3Haiku, "us-gov") => {
439                Ok(format!("{}.{}", region_group, model_id))
440            }
441
442            // Available everywhere
443            (Model::AmazonNovaLite | Model::AmazonNovaMicro | Model::AmazonNovaPro, _) => {
444                Ok(format!("{}.{}", region_group, model_id))
445            }
446
447            // Models in US
448            (
449                Model::AmazonNovaPremier
450                | Model::Claude3_5Haiku
451                | Model::Claude3_5Sonnet
452                | Model::Claude3_5SonnetV2
453                | Model::Claude3_7Sonnet
454                | Model::Claude3_7SonnetThinking
455                | Model::ClaudeSonnet4
456                | Model::ClaudeSonnet4Thinking
457                | Model::ClaudeOpus4
458                | Model::ClaudeOpus4Thinking
459                | Model::Claude3Haiku
460                | Model::Claude3Opus
461                | Model::Claude3Sonnet
462                | Model::DeepSeekR1
463                | Model::MetaLlama31405BInstructV1
464                | Model::MetaLlama3170BInstructV1_128k
465                | Model::MetaLlama3170BInstructV1
466                | Model::MetaLlama318BInstructV1_128k
467                | Model::MetaLlama318BInstructV1
468                | Model::MetaLlama3211BInstructV1
469                | Model::MetaLlama321BInstructV1
470                | Model::MetaLlama323BInstructV1
471                | Model::MetaLlama3290BInstructV1
472                | Model::MetaLlama3370BInstructV1
473                | Model::MetaLlama4Maverick17BInstructV1
474                | Model::MetaLlama4Scout17BInstructV1
475                | Model::MistralPixtralLarge2502V1
476                | Model::PalmyraWriterX4
477                | Model::PalmyraWriterX5,
478                "us",
479            ) => Ok(format!("{}.{}", region_group, model_id)),
480
481            // Models available in EU
482            (
483                Model::Claude3_5Sonnet
484                | Model::Claude3_7Sonnet
485                | Model::Claude3_7SonnetThinking
486                | Model::Claude3Haiku
487                | Model::Claude3Sonnet
488                | Model::MetaLlama321BInstructV1
489                | Model::MetaLlama323BInstructV1
490                | Model::MistralPixtralLarge2502V1,
491                "eu",
492            ) => Ok(format!("{}.{}", region_group, model_id)),
493
494            // Models available in APAC
495            (
496                Model::Claude3_5Sonnet
497                | Model::Claude3_5SonnetV2
498                | Model::Claude3Haiku
499                | Model::Claude3Sonnet,
500                "apac",
501            ) => Ok(format!("{}.{}", region_group, model_id)),
502
503            // Any other combination is not supported
504            _ => Ok(self.request_id().into()),
505        }
506    }
507}
508
509#[cfg(test)]
510mod tests {
511    use super::*;
512
513    #[test]
514    fn test_us_region_inference_ids() -> anyhow::Result<()> {
515        // Test US regions
516        assert_eq!(
517            Model::Claude3_5SonnetV2.cross_region_inference_id("us-east-1")?,
518            "us.anthropic.claude-3-5-sonnet-20241022-v2:0"
519        );
520        assert_eq!(
521            Model::Claude3_5SonnetV2.cross_region_inference_id("us-west-2")?,
522            "us.anthropic.claude-3-5-sonnet-20241022-v2:0"
523        );
524        assert_eq!(
525            Model::AmazonNovaPro.cross_region_inference_id("us-east-2")?,
526            "us.amazon.nova-pro-v1:0"
527        );
528        Ok(())
529    }
530
531    #[test]
532    fn test_eu_region_inference_ids() -> anyhow::Result<()> {
533        // Test European regions
534        assert_eq!(
535            Model::Claude3Sonnet.cross_region_inference_id("eu-west-1")?,
536            "eu.anthropic.claude-3-sonnet-20240229-v1:0"
537        );
538        assert_eq!(
539            Model::AmazonNovaMicro.cross_region_inference_id("eu-north-1")?,
540            "eu.amazon.nova-micro-v1:0"
541        );
542        Ok(())
543    }
544
545    #[test]
546    fn test_apac_region_inference_ids() -> anyhow::Result<()> {
547        // Test Asia-Pacific regions
548        assert_eq!(
549            Model::Claude3_5SonnetV2.cross_region_inference_id("ap-northeast-1")?,
550            "apac.anthropic.claude-3-5-sonnet-20241022-v2:0"
551        );
552        assert_eq!(
553            Model::Claude3_5SonnetV2.cross_region_inference_id("ap-southeast-2")?,
554            "apac.anthropic.claude-3-5-sonnet-20241022-v2:0"
555        );
556        assert_eq!(
557            Model::AmazonNovaLite.cross_region_inference_id("ap-south-1")?,
558            "apac.amazon.nova-lite-v1:0"
559        );
560        Ok(())
561    }
562
563    #[test]
564    fn test_gov_region_inference_ids() -> anyhow::Result<()> {
565        // Test Government regions
566        assert_eq!(
567            Model::Claude3_5Sonnet.cross_region_inference_id("us-gov-east-1")?,
568            "us-gov.anthropic.claude-3-5-sonnet-20240620-v1:0"
569        );
570        assert_eq!(
571            Model::Claude3Haiku.cross_region_inference_id("us-gov-west-1")?,
572            "us-gov.anthropic.claude-3-haiku-20240307-v1:0"
573        );
574        Ok(())
575    }
576
577    #[test]
578    fn test_meta_models_inference_ids() -> anyhow::Result<()> {
579        // Test Meta models
580        assert_eq!(
581            Model::MetaLlama370BInstructV1.cross_region_inference_id("us-east-1")?,
582            "meta.llama3-70b-instruct-v1:0"
583        );
584        assert_eq!(
585            Model::MetaLlama3170BInstructV1.cross_region_inference_id("us-east-1")?,
586            "us.meta.llama3-1-70b-instruct-v1:0"
587        );
588        assert_eq!(
589            Model::MetaLlama321BInstructV1.cross_region_inference_id("eu-west-1")?,
590            "eu.meta.llama3-2-1b-instruct-v1:0"
591        );
592        Ok(())
593    }
594
595    #[test]
596    fn test_mistral_models_inference_ids() -> anyhow::Result<()> {
597        // Mistral models don't follow the regional prefix pattern,
598        // so they should return their original IDs
599        assert_eq!(
600            Model::MistralMistralLarge2402V1.cross_region_inference_id("us-east-1")?,
601            "mistral.mistral-large-2402-v1:0"
602        );
603        assert_eq!(
604            Model::MistralMixtral8x7BInstructV0.cross_region_inference_id("eu-west-1")?,
605            "mistral.mixtral-8x7b-instruct-v0:1"
606        );
607        Ok(())
608    }
609
610    #[test]
611    fn test_ai21_models_inference_ids() -> anyhow::Result<()> {
612        // AI21 models don't follow the regional prefix pattern,
613        // so they should return their original IDs
614        assert_eq!(
615            Model::AI21J2UltraV1.cross_region_inference_id("us-east-1")?,
616            "ai21.j2-ultra-v1"
617        );
618        assert_eq!(
619            Model::AI21JambaInstructV1.cross_region_inference_id("eu-west-1")?,
620            "ai21.jamba-instruct-v1:0"
621        );
622        Ok(())
623    }
624
625    #[test]
626    fn test_cohere_models_inference_ids() -> anyhow::Result<()> {
627        // Cohere models don't follow the regional prefix pattern,
628        // so they should return their original IDs
629        assert_eq!(
630            Model::CohereCommandRV1.cross_region_inference_id("us-east-1")?,
631            "cohere.command-r-v1:0"
632        );
633        assert_eq!(
634            Model::CohereCommandTextV14_4k.cross_region_inference_id("ap-southeast-1")?,
635            "cohere.command-text-v14:7:4k"
636        );
637        Ok(())
638    }
639
640    #[test]
641    fn test_custom_model_inference_ids() -> anyhow::Result<()> {
642        // Test custom models
643        let custom_model = Model::Custom {
644            name: "custom.my-model-v1:0".to_string(),
645            max_tokens: 100000,
646            display_name: Some("My Custom Model".to_string()),
647            max_output_tokens: Some(8192),
648            default_temperature: Some(0.7),
649        };
650
651        // Custom model should return its name unchanged
652        assert_eq!(
653            custom_model.cross_region_inference_id("us-east-1")?,
654            "custom.my-model-v1:0"
655        );
656
657        Ok(())
658    }
659
660    #[test]
661    fn test_friendly_id_vs_request_id() {
662        // Test that id() returns friendly identifiers
663        assert_eq!(Model::Claude3_5SonnetV2.id(), "claude-3-5-sonnet-v2");
664        assert_eq!(Model::AmazonNovaLite.id(), "amazon-nova-lite");
665        assert_eq!(Model::DeepSeekR1.id(), "deepseek-r1");
666        assert_eq!(
667            Model::MetaLlama38BInstructV1.id(),
668            "meta-llama3-8b-instruct-v1"
669        );
670
671        // Test that request_id() returns actual backend model IDs
672        assert_eq!(
673            Model::Claude3_5SonnetV2.request_id(),
674            "anthropic.claude-3-5-sonnet-20241022-v2:0"
675        );
676        assert_eq!(Model::AmazonNovaLite.request_id(), "amazon.nova-lite-v1:0");
677        assert_eq!(Model::DeepSeekR1.request_id(), "deepseek.r1-v1:0");
678        assert_eq!(
679            Model::MetaLlama38BInstructV1.request_id(),
680            "meta.llama3-8b-instruct-v1:0"
681        );
682
683        // Test thinking models have different friendly IDs but same request IDs
684        assert_eq!(Model::ClaudeSonnet4.id(), "claude-4-sonnet");
685        assert_eq!(
686            Model::ClaudeSonnet4Thinking.id(),
687            "claude-4-sonnet-thinking"
688        );
689        assert_eq!(
690            Model::ClaudeSonnet4.request_id(),
691            Model::ClaudeSonnet4Thinking.request_id()
692        );
693    }
694}