diff --git a/cmd/openrouter/main.go b/cmd/openrouter/main.go
index f2b44c7d01fb50e4c224fbcc12ed5a70e8a1dec9..be5f21cbd2fd9eebb482d10b74cf7138e646213d 100644
--- a/cmd/openrouter/main.go
+++ b/cmd/openrouter/main.go
@@ -167,7 +167,7 @@ func main() {
 			SupportsImages:     supportsImages,
 		}
 		if model.TopProvider.MaxCompletionTokens != nil {
-			m.DefaultMaxTokens = int64(*model.TopProvider.MaxCompletionTokens / 2)
+			m.DefaultMaxTokens = *model.TopProvider.MaxCompletionTokens / 2
 		} else {
 			m.DefaultMaxTokens = model.ContextLength / 10
 		}
diff --git a/internal/providers/configs/azure.json b/internal/providers/configs/azure.json
index 79f4de778a3353e6638ac50e90231556f8ab0dbc..22f41bde811263a1e87f8b54a0d3107afd5c0eac 100644
--- a/internal/providers/configs/azure.json
+++ b/internal/providers/configs/azure.json
@@ -16,7 +16,9 @@
       "cost_per_1m_out_cached": 0.375,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -28,7 +30,9 @@
       "cost_per_1m_out_cached": 0.275,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -40,7 +44,9 @@
       "cost_per_1m_out_cached": 0.5,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -52,7 +58,9 @@
       "cost_per_1m_out_cached": 0,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -63,7 +71,7 @@
       "cost_per_1m_in_cached": 0,
       "cost_per_1m_out_cached": 0.5,
       "context_window": 1047576,
-      "default_max_tokens": 20000,
+      "default_max_tokens": 50000,
       "can_reason": false,
       "supports_attachments": true
     },
@@ -75,7 +83,7 @@
       "cost_per_1m_in_cached": 0,
       "cost_per_1m_out_cached": 0.09999999999999999,
       "context_window": 1047576,
-      "default_max_tokens": 20000,
+      "default_max_tokens": 50000,
       "can_reason": false,
       "supports_attachments": true
     },
@@ -87,7 +95,7 @@
       "cost_per_1m_in_cached": 0,
       "cost_per_1m_out_cached": 0.024999999999999998,
       "context_window": 1047576,
-      "default_max_tokens": 20000,
+      "default_max_tokens": 50000,
       "can_reason": false,
       "supports_attachments": true
     },
@@ -99,7 +107,7 @@
       "cost_per_1m_in_cached": 0,
       "cost_per_1m_out_cached": 37.5,
       "context_window": 128000,
-      "default_max_tokens": 20000,
+      "default_max_tokens": 50000,
       "can_reason": false,
       "supports_attachments": true
     },
@@ -112,7 +120,9 @@
       "cost_per_1m_out_cached": 0.55,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": false
     },
     {
diff --git a/internal/providers/configs/openai.json b/internal/providers/configs/openai.json
index 94f0cdcfdfde825d2914633c8d60c0edf89c5e9e..e8aba9462a1948fa159ff9fbccfbfcbd44ebc9a2 100644
--- a/internal/providers/configs/openai.json
+++ b/internal/providers/configs/openai.json
@@ -4,7 +4,7 @@
   "type": "openai",
   "api_key": "$OPENAI_API_KEY",
   "api_endpoint": "$OPENAI_API_ENDPOINT",
-  "default_large_model_id": "o4-mini",
+  "default_large_model_id": "codex-mini-latest",
   "default_small_model_id": "gpt-4o",
   "models": [
     {
@@ -16,7 +16,9 @@
       "cost_per_1m_out_cached": 0.375,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -28,7 +30,9 @@
       "cost_per_1m_out_cached": 0.275,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -40,7 +44,9 @@
       "cost_per_1m_out_cached": 0.5,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -52,7 +58,9 @@
       "cost_per_1m_out_cached": 0,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
     {
@@ -112,7 +120,9 @@
       "cost_per_1m_out_cached": 0.55,
       "context_window": 200000,
       "default_max_tokens": 50000,
-      "can_reason": false,
+      "can_reason": true,
+      "has_reasoning_effort": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": false
     },
     {
diff --git a/pkg/provider/provider.go b/pkg/provider/provider.go
index 85275f1155eff219c87d85fce3cdcc436f4a4e47..4bde8e41ea47b00f9dca8fd1de0ee8ec57739d6f 100644
--- a/pkg/provider/provider.go
+++ b/pkg/provider/provider.go
@@ -45,16 +45,18 @@ type Provider struct {
 
 // Model represents an AI model configuration.
 type Model struct {
-	ID                 string  `json:"id"`
-	Name               string  `json:"model"`
-	CostPer1MIn        float64 `json:"cost_per_1m_in"`
-	CostPer1MOut       float64 `json:"cost_per_1m_out"`
-	CostPer1MInCached  float64 `json:"cost_per_1m_in_cached"`
-	CostPer1MOutCached float64 `json:"cost_per_1m_out_cached"`
-	ContextWindow      int64   `json:"context_window"`
-	DefaultMaxTokens   int64   `json:"default_max_tokens"`
-	CanReason          bool    `json:"can_reason"`
-	SupportsImages     bool    `json:"supports_attachments"`
+	ID                     string  `json:"id"`
+	Name                   string  `json:"model"`
+	CostPer1MIn            float64 `json:"cost_per_1m_in"`
+	CostPer1MOut           float64 `json:"cost_per_1m_out"`
+	CostPer1MInCached      float64 `json:"cost_per_1m_in_cached"`
+	CostPer1MOutCached     float64 `json:"cost_per_1m_out_cached"`
+	ContextWindow          int64   `json:"context_window"`
+	DefaultMaxTokens       int64   `json:"default_max_tokens"`
+	CanReason              bool    `json:"can_reason"`
+	HasReasoningEffort     bool    `json:"has_reasoning_efforts"`
+	DefaultReasoningEffort string  `json:"default_reasoning_effort,omitempty"`
+	SupportsImages         bool    `json:"supports_attachments"`
 }
 
 // KnownProviders returns all the known inference providers.