---
version: 2
interactions:
- id: 0
  request:
    proto: HTTP/1.1
    proto_major: 1
    proto_minor: 1
    content_length: 595
    host: ""
    body: '{"messages":[{"content":"You are a helpful assistant","role":"system","cache_control":{"type":"ephemeral"}},{"content":"What''s the weather in Florence,Italy?","role":"user","cache_control":{"type":"ephemeral"}}],"model":"anthropic/claude-sonnet-4","max_tokens":4000,"stream_options":{"include_usage":true},"tool_choice":"auto","tools":[{"function":{"name":"weather","strict":false,"description":"Get weather information for a location","parameters":{"properties":{"location":{"description":"the city","type":"string"}},"required":["location"],"type":"object"}},"type":"function"}],"stream":true}'
    headers:
      Accept:
      - application/json
      Content-Type:
      - application/json
      User-Agent:
      - Charm-Fantasy/0.12.2 (https://charm.land/fantasy)
    url: https://ai-gateway.vercel.sh/v1/chat/completions
    method: POST
  response:
    proto: HTTP/2.0
    proto_major: 2
    proto_minor: 0
    content_length: -1
    body: |+
      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"role":"assistant"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":"I'll check the weather in"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" Florence, Italy for you."},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"id":"toolu_01M5YDg4x4mT5NJ8zPJB7y3S","type":"function","function":{"name":"weather","arguments":""}}]},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"{\"loc"}}]},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"at"}}]},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"ion\": \"Flor"}}]},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"ence,I"}}]},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"taly\"}"}}]},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_46li7cdhsq"}

      data: {"id":"gen_01KKHTSND812NZDS0MTHAP9G37","object":"chat.completion.chunk","created":1773346281,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"provider_metadata":{"anthropic":{"usage":{"input_tokens":394,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":66,"service_tier":"standard","inference_geo":"not_available"},"cacheCreationInputTokens":0,"stopSequence":null,"iterations":null,"container":null,"contextManagement":null},"gateway":{"routing":{"originalModelId":"anthropic/claude-sonnet-4","resolvedProvider":"anthropic","resolvedProviderApiModelId":"claude-sonnet-4-20250514","internalResolvedModelId":"anthropic:claude-sonnet-4-20250514","fallbacksAvailable":["vertexAnthropic","bedrock"],"internalReasoning":"Selected anthropic as preferred provider for claude-sonnet-4. 2 fallback(s) available: vertexAnthropic, bedrock","planningReasoning":"System credentials planned for: anthropic, vertexAnthropic, bedrock. Total execution order: anthropic(system) → vertexAnthropic(system) → bedrock(system)","canonicalSlug":"anthropic/claude-sonnet-4","finalProvider":"anthropic","attempts":[{"provider":"anthropic","internalModelId":"anthropic:claude-sonnet-4-20250514","providerApiModelId":"claude-sonnet-4-20250514","credentialType":"system","success":true,"startTime":518595.43927,"endTime":519975.460834,"providerRequestId":"req_011CYyo3sBSKgfwDhVw2nQd8","statusCode":200,"providerResponseId":"msg_01KJuhRQU2jX5otB38xymtw9"}],"modelAttemptCount":1,"modelAttempts":[{"modelId":"anthropic:claude-sonnet-4-20250514","canonicalSlug":"anthropic/claude-sonnet-4","success":true,"providerAttemptCount":1,"providerAttempts":[{"provider":"anthropic","internalModelId":"anthropic:claude-sonnet-4-20250514","providerApiModelId":"claude-sonnet-4-20250514","credentialType":"system","success":true,"startTime":518595.43927,"endTime":519975.460834,"providerRequestId":"req_011CYyo3sBSKgfwDhVw2nQd8","statusCode":200,"providerResponseId":"msg_01KJuhRQU2jX5otB38xymtw9"}]}],"totalProviderAttemptCount":1},"cost":"0.002172","marketCost":"0.002172","generationId":"gen_01KKHTSND812NZDS0MTHAP9G37","billableWebSearchCalls":0}}},"logprobs":null,"finish_reason":"tool_calls"}],"usage":{"prompt_tokens":394,"completion_tokens":66,"total_tokens":460,"cost":0.002172,"is_byok":false,"prompt_tokens_details":{"cached_tokens":0,"audio_tokens":0,"video_tokens":0},"cost_details":{"upstream_inference_cost":null,"upstream_inference_prompt_cost":0,"upstream_inference_completions_cost":0},"completion_tokens_details":{"reasoning_tokens":0,"image_tokens":0},"cache_creation_input_tokens":0,"market_cost":0.002172},"system_fingerprint":"fp_46li7cdhsq","generationId":"gen_01KKHTSND812NZDS0MTHAP9G37"}

      data: [DONE]

    headers:
      Content-Type:
      - text/event-stream
    status: 200 OK
    code: 200
    duration: 1.066485542s
- id: 1
  request:
    proto: HTTP/1.1
    proto_major: 1
    proto_minor: 1
    content_length: 912
    host: ""
    body: '{"messages":[{"content":"You are a helpful assistant","role":"system","cache_control":{"type":"ephemeral"}},{"content":"What''s the weather in Florence,Italy?","role":"user"},{"content":"I''ll check the weather in Florence, Italy for you.","tool_calls":[{"id":"toolu_01M5YDg4x4mT5NJ8zPJB7y3S","function":{"arguments":"{\"location\": \"Florence,Italy\"}","name":"weather"},"type":"function","cache_control":{"type":"ephemeral"}}],"role":"assistant"},{"content":"40 C","tool_call_id":"toolu_01M5YDg4x4mT5NJ8zPJB7y3S","role":"tool"}],"model":"anthropic/claude-sonnet-4","max_tokens":4000,"stream_options":{"include_usage":true},"tool_choice":"auto","tools":[{"function":{"name":"weather","strict":false,"description":"Get weather information for a location","parameters":{"properties":{"location":{"description":"the city","type":"string"}},"required":["location"],"type":"object"}},"type":"function"}],"stream":true}'
    headers:
      Accept:
      - application/json
      Content-Type:
      - application/json
      User-Agent:
      - Charm-Fantasy/0.12.2 (https://charm.land/fantasy)
    url: https://ai-gateway.vercel.sh/v1/chat/completions
    method: POST
  response:
    proto: HTTP/2.0
    proto_major: 2
    proto_minor: 0
    content_length: -1
    body: |+
      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"role":"assistant"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":"The"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" current"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" weather in Florence, Italy is 40"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":"°C (104°F). That"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":"'s quite"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" hot"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":"!"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" Make"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" sure to"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" stay"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" hydrated and seek"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" shade if"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" you're planning to be"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":" outd"},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"content":"oors."},"logprobs":null,"finish_reason":null}],"system_fingerprint":"fp_dphiy253um"}

      data: {"id":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","object":"chat.completion.chunk","created":1773346283,"model":"anthropic/claude-sonnet-4","choices":[{"index":0,"delta":{"provider_metadata":{"anthropic":{"usage":{"input_tokens":475,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":43,"service_tier":"standard","inference_geo":"not_available"},"cacheCreationInputTokens":0,"stopSequence":null,"iterations":null,"container":null,"contextManagement":null},"gateway":{"routing":{"originalModelId":"anthropic/claude-sonnet-4","resolvedProvider":"anthropic","resolvedProviderApiModelId":"claude-sonnet-4-20250514","internalResolvedModelId":"anthropic:claude-sonnet-4-20250514","fallbacksAvailable":["vertexAnthropic","bedrock"],"internalReasoning":"Selected anthropic as preferred provider for claude-sonnet-4. 2 fallback(s) available: vertexAnthropic, bedrock","planningReasoning":"System credentials planned for: anthropic, vertexAnthropic, bedrock. Total execution order: anthropic(system) → vertexAnthropic(system) → bedrock(system)","canonicalSlug":"anthropic/claude-sonnet-4","finalProvider":"anthropic","attempts":[{"provider":"anthropic","internalModelId":"anthropic:claude-sonnet-4-20250514","providerApiModelId":"claude-sonnet-4-20250514","credentialType":"system","success":true,"startTime":929522.882273,"endTime":931679.270343,"providerRequestId":"req_011CYyo3yyiZntUNi9utRggx","statusCode":200,"providerResponseId":"msg_0144nKXoXiuDDSEJg2bKu27z"}],"modelAttemptCount":1,"modelAttempts":[{"modelId":"anthropic:claude-sonnet-4-20250514","canonicalSlug":"anthropic/claude-sonnet-4","success":true,"providerAttemptCount":1,"providerAttempts":[{"provider":"anthropic","internalModelId":"anthropic:claude-sonnet-4-20250514","providerApiModelId":"claude-sonnet-4-20250514","credentialType":"system","success":true,"startTime":929522.882273,"endTime":931679.270343,"providerRequestId":"req_011CYyo3yyiZntUNi9utRggx","statusCode":200,"providerResponseId":"msg_0144nKXoXiuDDSEJg2bKu27z"}]}],"totalProviderAttemptCount":1},"cost":"0.00207","marketCost":"0.00207","generationId":"gen_01KKHTSPYA281H4TCZCMY6VRZ8","billableWebSearchCalls":0}}},"logprobs":null,"finish_reason":"stop"}],"usage":{"prompt_tokens":475,"completion_tokens":43,"total_tokens":518,"cost":0.00207,"is_byok":false,"prompt_tokens_details":{"cached_tokens":0,"audio_tokens":0,"video_tokens":0},"cost_details":{"upstream_inference_cost":null,"upstream_inference_prompt_cost":0,"upstream_inference_completions_cost":0},"completion_tokens_details":{"reasoning_tokens":0,"image_tokens":0},"cache_creation_input_tokens":0,"market_cost":0.00207},"system_fingerprint":"fp_dphiy253um","generationId":"gen_01KKHTSPYA281H4TCZCMY6VRZ8"}

      data: [DONE]

    headers:
      Content-Type:
      - text/event-stream
    status: 200 OK
    code: 200
    duration: 1.508029125s
