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Merge pull request #340 from nestharus/fix/339-thinking-openai-gemini-compat

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fix(thinking): resolve OpenAI/Gemini compatibility for thinking model…
This commit is contained in:
Luis Pater
2025-11-27 16:03:24 +08:00
committed by GitHub
parent 7e30157590 e73cdf5cff
commit 08321223c4
2 changed files with 83 additions and 35 deletions
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75
internal/registry/model_definitions.go
View File

@@ -24,49 +24,54 @@ func GetClaudeModels() []*ModelInfo {
DisplayName: "Claude 4.5 Sonnet",
},
{
ID: "claude-sonnet-4-5-thinking",
Object: "model",
Created: 1759104000, // 2025-09-29
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Sonnet Thinking",
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
ID: "claude-sonnet-4-5-thinking",
Object: "model",
Created: 1759104000, // 2025-09-29
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Sonnet Thinking",
MaxCompletionTokens: 128000,
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
},
{
ID: "claude-opus-4-5-thinking",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking",
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
ID: "claude-opus-4-5-thinking",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking",
MaxCompletionTokens: 128000,
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
},
{
ID: "claude-opus-4-5-thinking-low",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking Low",
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
ID: "claude-opus-4-5-thinking-low",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking Low",
MaxCompletionTokens: 128000,
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
},
{
ID: "claude-opus-4-5-thinking-medium",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking Medium",
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
ID: "claude-opus-4-5-thinking-medium",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking Medium",
MaxCompletionTokens: 128000,
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
},
{
ID: "claude-opus-4-5-thinking-high",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking High",
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
ID: "claude-opus-4-5-thinking-high",
Object: "model",
Created: 1761955200, // 2025-11-01
OwnedBy: "anthropic",
Type: "claude",
DisplayName: "Claude 4.5 Opus Thinking High",
MaxCompletionTokens: 128000,
Thinking: &ThinkingSupport{Min: 1024, Max: 100000, ZeroAllowed: false, DynamicAllowed: true},
},
{
ID: "claude-opus-4-5-20251101",

43
internal/runtime/executor/claude_executor.go
View File

@@ -17,6 +17,7 @@ import (
claudeauth "github.com/router-for-me/CLIProxyAPI/v6/internal/auth/claude"
"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
cliproxyauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"
cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
@@ -66,6 +67,9 @@ func (e *ClaudeExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, r
}
body = applyPayloadConfig(e.cfg, req.Model, body)
// Ensure max_tokens > thinking.budget_tokens when thinking is enabled
body = ensureMaxTokensForThinking(req.Model, body)
// Extract betas from body and convert to header
var extraBetas []string
extraBetas, body = extractAndRemoveBetas(body)
@@ -165,6 +169,9 @@ func (e *ClaudeExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.A
body = checkSystemInstructions(body)
body = applyPayloadConfig(e.cfg, req.Model, body)
// Ensure max_tokens > thinking.budget_tokens when thinking is enabled
body = ensureMaxTokensForThinking(req.Model, body)
// Extract betas from body and convert to header
var extraBetas []string
extraBetas, body = extractAndRemoveBetas(body)
@@ -447,6 +454,42 @@ func (e *ClaudeExecutor) injectThinkingConfig(modelName string, body []byte) []b
return body
}
// ensureMaxTokensForThinking ensures max_tokens > thinking.budget_tokens when thinking is enabled.
// Anthropic API requires this constraint; violating it returns a 400 error.
// This function should be called after all thinking configuration is finalized.
// It looks up the model's MaxCompletionTokens from the registry to use as the cap.
func ensureMaxTokensForThinking(modelName string, body []byte) []byte {
thinkingType := gjson.GetBytes(body, "thinking.type").String()
if thinkingType != "enabled" {
return body
}
budgetTokens := gjson.GetBytes(body, "thinking.budget_tokens").Int()
if budgetTokens <= 0 {
return body
}
maxTokens := gjson.GetBytes(body, "max_tokens").Int()
// Look up the model's max completion tokens from the registry
maxCompletionTokens := 0
if modelInfo := registry.GetGlobalRegistry().GetModelInfo(modelName); modelInfo != nil {
maxCompletionTokens = modelInfo.MaxCompletionTokens
}
// Fall back to budget + buffer if registry lookup fails or returns 0
const fallbackBuffer = 4000
requiredMaxTokens := budgetTokens + fallbackBuffer
if maxCompletionTokens > 0 {
requiredMaxTokens = int64(maxCompletionTokens)
}
if maxTokens < requiredMaxTokens {
body, _ = sjson.SetBytes(body, "max_tokens", requiredMaxTokens)
}
return body
}
func (e *ClaudeExecutor) resolveUpstreamModel(alias string, auth *cliproxyauth.Auth) string {
if alias == "" {
return ""