Merge pull request #564 from router-for-me/think

feat(thinking): unify budget/effort conversion logic and add iFlow thinking support
This commit is contained in:
Luis Pater
2025-12-17 01:21:24 +08:00
committed by GitHub
11 changed files with 186 additions and 97 deletions

View File

@@ -630,6 +630,13 @@ func GetQwenModels() []*ModelInfo {
}
}
// iFlowThinkingSupport is a shared ThinkingSupport configuration for iFlow models
// that support thinking mode via chat_template_kwargs.enable_thinking (boolean toggle).
// Uses level-based configuration so standard normalization flows apply before conversion.
var iFlowThinkingSupport = &ThinkingSupport{
Levels: []string{"none", "auto", "minimal", "low", "medium", "high", "xhigh"},
}
// GetIFlowModels returns supported models for iFlow OAuth accounts.
func GetIFlowModels() []*ModelInfo {
entries := []struct {
@@ -645,9 +652,9 @@ func GetIFlowModels() []*ModelInfo {
{ID: "qwen3-vl-plus", DisplayName: "Qwen3-VL-Plus", Description: "Qwen3 multimodal vision-language", Created: 1758672000},
{ID: "qwen3-max-preview", DisplayName: "Qwen3-Max-Preview", Description: "Qwen3 Max preview build", Created: 1757030400},
{ID: "kimi-k2-0905", DisplayName: "Kimi-K2-Instruct-0905", Description: "Moonshot Kimi K2 instruct 0905", Created: 1757030400},
{ID: "glm-4.6", DisplayName: "GLM-4.6", Description: "Zhipu GLM 4.6 general model", Created: 1759190400},
{ID: "glm-4.6", DisplayName: "GLM-4.6", Description: "Zhipu GLM 4.6 general model", Created: 1759190400, Thinking: iFlowThinkingSupport},
{ID: "kimi-k2", DisplayName: "Kimi-K2", Description: "Moonshot Kimi K2 general model", Created: 1752192000},
{ID: "kimi-k2-thinking", DisplayName: "Kimi-K2-Thinking", Description: "Moonshot Kimi K2 thinking model", Created: 1762387200, Thinking: &ThinkingSupport{Levels: []string{"low", "medium", "high"}}},
{ID: "kimi-k2-thinking", DisplayName: "Kimi-K2-Thinking", Description: "Moonshot Kimi K2 thinking model", Created: 1762387200},
{ID: "deepseek-v3.2-chat", DisplayName: "DeepSeek-V3.2", Description: "DeepSeek V3.2 Chat", Created: 1764576000},
{ID: "deepseek-v3.2-reasoner", DisplayName: "DeepSeek-V3.2", Description: "DeepSeek V3.2 Reasoner", Created: 1764576000},
{ID: "deepseek-v3.2", DisplayName: "DeepSeek-V3.2-Exp", Description: "DeepSeek V3.2 experimental", Created: 1759104000},
@@ -655,10 +662,10 @@ func GetIFlowModels() []*ModelInfo {
{ID: "deepseek-r1", DisplayName: "DeepSeek-R1", Description: "DeepSeek reasoning model R1", Created: 1737331200},
{ID: "deepseek-v3", DisplayName: "DeepSeek-V3-671B", Description: "DeepSeek V3 671B", Created: 1734307200},
{ID: "qwen3-32b", DisplayName: "Qwen3-32B", Description: "Qwen3 32B", Created: 1747094400},
{ID: "qwen3-235b-a22b-thinking-2507", DisplayName: "Qwen3-235B-A22B-Thinking", Description: "Qwen3 235B A22B Thinking (2507)", Created: 1753401600, Thinking: &ThinkingSupport{Levels: []string{"low", "medium", "high"}}},
{ID: "qwen3-235b-a22b-thinking-2507", DisplayName: "Qwen3-235B-A22B-Thinking", Description: "Qwen3 235B A22B Thinking (2507)", Created: 1753401600},
{ID: "qwen3-235b-a22b-instruct", DisplayName: "Qwen3-235B-A22B-Instruct", Description: "Qwen3 235B A22B Instruct", Created: 1753401600},
{ID: "qwen3-235b", DisplayName: "Qwen3-235B-A22B", Description: "Qwen3 235B A22B", Created: 1753401600},
{ID: "minimax-m2", DisplayName: "MiniMax-M2", Description: "MiniMax M2", Created: 1758672000, Thinking: &ThinkingSupport{Levels: []string{"low", "medium", "high"}}},
{ID: "minimax-m2", DisplayName: "MiniMax-M2", Description: "MiniMax M2", Created: 1758672000},
}
models := make([]*ModelInfo, 0, len(entries))
for _, entry := range entries {

View File

@@ -66,6 +66,7 @@ func (e *IFlowExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, re
if errValidate := ValidateThinkingConfig(body, upstreamModel); errValidate != nil {
return resp, errValidate
}
body = applyIFlowThinkingConfig(body)
body = applyPayloadConfig(e.cfg, req.Model, body)
endpoint := strings.TrimSuffix(baseURL, "/") + iflowDefaultEndpoint
@@ -157,6 +158,7 @@ func (e *IFlowExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Au
if errValidate := ValidateThinkingConfig(body, upstreamModel); errValidate != nil {
return nil, errValidate
}
body = applyIFlowThinkingConfig(body)
// Ensure tools array exists to avoid provider quirks similar to Qwen's behaviour.
toolsResult := gjson.GetBytes(body, "tools")
if toolsResult.Exists() && toolsResult.IsArray() && len(toolsResult.Array()) == 0 {
@@ -442,3 +444,21 @@ func ensureToolsArray(body []byte) []byte {
}
return updated
}
// applyIFlowThinkingConfig converts normalized reasoning_effort to iFlow chat_template_kwargs.enable_thinking.
// This should be called after NormalizeThinkingConfig has processed the payload.
// iFlow only supports boolean enable_thinking, so any non-"none" effort enables thinking.
func applyIFlowThinkingConfig(body []byte) []byte {
effort := gjson.GetBytes(body, "reasoning_effort")
if !effort.Exists() {
return body
}
val := strings.ToLower(strings.TrimSpace(effort.String()))
enableThinking := val != "none" && val != ""
body, _ = sjson.DeleteBytes(body, "reasoning_effort")
body, _ = sjson.SetBytes(body, "chat_template_kwargs.enable_thinking", enableThinking)
return body
}

View File

@@ -72,13 +72,7 @@ func ApplyReasoningEffortMetadata(payload []byte, metadata map[string]any, model
// Fallback: numeric thinking_budget suffix for level-based (OpenAI-style) models.
if util.ModelUsesThinkingLevels(baseModel) || allowCompat {
if budget, _, _, matched := util.ThinkingFromMetadata(metadata); matched && budget != nil {
if effort, ok := util.OpenAIThinkingBudgetToEffort(baseModel, *budget); ok && effort != "" {
if *budget == 0 && effort == "none" && util.ModelUsesThinkingLevels(baseModel) {
if _, supported := util.NormalizeReasoningEffortLevel(baseModel, effort); !supported {
return StripThinkingFields(payload, false)
}
}
if effort, ok := util.ThinkingBudgetToEffort(baseModel, *budget); ok && effort != "" {
if updated, err := sjson.SetBytes(payload, field, effort); err == nil {
return updated
}
@@ -273,7 +267,7 @@ func StripThinkingFields(payload []byte, effortOnly bool) []byte {
"reasoning.effort",
}
if !effortOnly {
fieldsToRemove = append([]string{"reasoning"}, fieldsToRemove...)
fieldsToRemove = append([]string{"reasoning", "thinking"}, fieldsToRemove...)
}
out := payload
for _, field := range fieldsToRemove {

View File

@@ -219,15 +219,20 @@ func ConvertClaudeRequestToCodex(modelName string, inputRawJSON []byte, _ bool)
// Convert thinking.budget_tokens to reasoning.effort for level-based models
reasoningEffort := "medium" // default
if thinking := rootResult.Get("thinking"); thinking.Exists() && thinking.IsObject() {
if thinking.Get("type").String() == "enabled" {
switch thinking.Get("type").String() {
case "enabled":
if util.ModelUsesThinkingLevels(modelName) {
if budgetTokens := thinking.Get("budget_tokens"); budgetTokens.Exists() {
budget := int(budgetTokens.Int())
if effort, ok := util.OpenAIThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
if effort, ok := util.ThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
reasoningEffort = effort
}
}
}
case "disabled":
if effort, ok := util.ThinkingBudgetToEffort(modelName, 0); ok && effort != "" {
reasoningEffort = effort
}
}
}
template, _ = sjson.Set(template, "reasoning.effort", reasoningEffort)

View File

@@ -253,7 +253,7 @@ func ConvertGeminiRequestToCodex(modelName string, inputRawJSON []byte, _ bool)
if util.ModelUsesThinkingLevels(modelName) {
if thinkingBudget := thinkingConfig.Get("thinkingBudget"); thinkingBudget.Exists() {
budget := int(thinkingBudget.Int())
if effort, ok := util.OpenAIThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
if effort, ok := util.ThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
reasoningEffort = effort
}
}

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@@ -63,10 +63,22 @@ func ConvertClaudeRequestToOpenAI(modelName string, inputRawJSON []byte, stream
// Thinking: Convert Claude thinking.budget_tokens to OpenAI reasoning_effort
if thinking := root.Get("thinking"); thinking.Exists() && thinking.IsObject() {
if thinkingType := thinking.Get("type"); thinkingType.Exists() && thinkingType.String() == "enabled" {
if budgetTokens := thinking.Get("budget_tokens"); budgetTokens.Exists() {
budget := int(budgetTokens.Int())
if effort, ok := util.OpenAIThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
if thinkingType := thinking.Get("type"); thinkingType.Exists() {
switch thinkingType.String() {
case "enabled":
if budgetTokens := thinking.Get("budget_tokens"); budgetTokens.Exists() {
budget := int(budgetTokens.Int())
if effort, ok := util.ThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
out, _ = sjson.Set(out, "reasoning_effort", effort)
}
} else {
// No budget_tokens specified, default to "auto" for enabled thinking
if effort, ok := util.ThinkingBudgetToEffort(modelName, -1); ok && effort != "" {
out, _ = sjson.Set(out, "reasoning_effort", effort)
}
}
case "disabled":
if effort, ok := util.ThinkingBudgetToEffort(modelName, 0); ok && effort != "" {
out, _ = sjson.Set(out, "reasoning_effort", effort)
}
}

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@@ -83,7 +83,7 @@ func ConvertGeminiRequestToOpenAI(modelName string, inputRawJSON []byte, stream
if thinkingConfig := genConfig.Get("thinkingConfig"); thinkingConfig.Exists() && thinkingConfig.IsObject() {
if thinkingBudget := thinkingConfig.Get("thinkingBudget"); thinkingBudget.Exists() {
budget := int(thinkingBudget.Int())
if effort, ok := util.OpenAIThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
if effort, ok := util.ThinkingBudgetToEffort(modelName, budget); ok && effort != "" {
out, _ = sjson.Set(out, "reasoning_effort", effort)
}
}

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@@ -1,37 +0,0 @@
package util
// OpenAIThinkingBudgetToEffort maps a numeric thinking budget (tokens)
// into an OpenAI-style reasoning effort level for level-based models.
//
// Ranges:
// - 0 -> "none"
// - -1 -> "auto"
// - 1..1024 -> "low"
// - 1025..8192 -> "medium"
// - 8193..24576 -> "high"
// - 24577.. -> highest supported level for the model (defaults to "xhigh")
//
// Negative values other than -1 are treated as unsupported.
func OpenAIThinkingBudgetToEffort(model string, budget int) (string, bool) {
switch {
case budget == -1:
return "auto", true
case budget < -1:
return "", false
case budget == 0:
return "none", true
case budget > 0 && budget <= 1024:
return "low", true
case budget <= 8192:
return "medium", true
case budget <= 24576:
return "high", true
case budget > 24576:
if levels := GetModelThinkingLevels(model); len(levels) > 0 {
return levels[len(levels)-1], true
}
return "xhigh", true
default:
return "", false
}
}

View File

@@ -118,3 +118,83 @@ func IsOpenAICompatibilityModel(model string) bool {
}
return strings.EqualFold(strings.TrimSpace(info.Type), "openai-compatibility")
}
// ThinkingEffortToBudget maps a reasoning effort level to a numeric thinking budget (tokens),
// clamping the result to the model's supported range.
//
// Mappings (values are normalized to model's supported range):
// - "none" -> 0
// - "auto" -> -1
// - "minimal" -> 512
// - "low" -> 1024
// - "medium" -> 8192
// - "high" -> 24576
// - "xhigh" -> 32768
//
// Returns false when the effort level is empty or unsupported.
func ThinkingEffortToBudget(model, effort string) (int, bool) {
if effort == "" {
return 0, false
}
normalized, ok := NormalizeReasoningEffortLevel(model, effort)
if !ok {
normalized = strings.ToLower(strings.TrimSpace(effort))
}
switch normalized {
case "none":
return 0, true
case "auto":
return NormalizeThinkingBudget(model, -1), true
case "minimal":
return NormalizeThinkingBudget(model, 512), true
case "low":
return NormalizeThinkingBudget(model, 1024), true
case "medium":
return NormalizeThinkingBudget(model, 8192), true
case "high":
return NormalizeThinkingBudget(model, 24576), true
case "xhigh":
return NormalizeThinkingBudget(model, 32768), true
default:
return 0, false
}
}
// ThinkingBudgetToEffort maps a numeric thinking budget (tokens)
// to a reasoning effort level for level-based models.
//
// Mappings:
// - 0 -> "none" (or lowest supported level if model doesn't support "none")
// - -1 -> "auto"
// - 1..1024 -> "low"
// - 1025..8192 -> "medium"
// - 8193..24576 -> "high"
// - 24577.. -> highest supported level for the model (defaults to "xhigh")
//
// Returns false when the budget is unsupported (negative values other than -1).
func ThinkingBudgetToEffort(model string, budget int) (string, bool) {
switch {
case budget == -1:
return "auto", true
case budget < -1:
return "", false
case budget == 0:
if levels := GetModelThinkingLevels(model); len(levels) > 0 {
return levels[0], true
}
return "none", true
case budget > 0 && budget <= 1024:
return "low", true
case budget <= 8192:
return "medium", true
case budget <= 24576:
return "high", true
case budget > 24576:
if levels := GetModelThinkingLevels(model); len(levels) > 0 {
return levels[len(levels)-1], true
}
return "xhigh", true
default:
return "", false
}
}

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@@ -201,36 +201,6 @@ func ReasoningEffortFromMetadata(metadata map[string]any) (string, bool) {
return "", true
}
// ThinkingEffortToBudget maps reasoning effort levels to approximate budgets,
// clamping the result to the model's supported range.
func ThinkingEffortToBudget(model, effort string) (int, bool) {
if effort == "" {
return 0, false
}
normalized, ok := NormalizeReasoningEffortLevel(model, effort)
if !ok {
normalized = strings.ToLower(strings.TrimSpace(effort))
}
switch normalized {
case "none":
return 0, true
case "auto":
return NormalizeThinkingBudget(model, -1), true
case "minimal":
return NormalizeThinkingBudget(model, 512), true
case "low":
return NormalizeThinkingBudget(model, 1024), true
case "medium":
return NormalizeThinkingBudget(model, 8192), true
case "high":
return NormalizeThinkingBudget(model, 24576), true
case "xhigh":
return NormalizeThinkingBudget(model, 32768), true
default:
return 0, false
}
}
// ResolveOriginalModel returns the original model name stored in metadata (if present),
// otherwise falls back to the provided model.
func ResolveOriginalModel(model string, metadata map[string]any) string {