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fix:Get Claude Models #1491

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fix:Get Claude Models #1491

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38 changes: 36 additions & 2 deletions controller/channel.go
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,22 @@ type GoogleOpenAICompatibleResponse struct {
NextPageToken string `json:"nextPageToken"`
}

// AnthropicModel 定义Anthropic API返回的模型结构
type AnthropicModel struct {
ID string `json:"id"`
CreatedAt string `json:"created_at"`
DisplayName string `json:"display_name"`
Type string `json:"type"`
}

// AnthropicModelsResponse 定义Anthropic API响应结构
type AnthropicModelsResponse struct {
Data []AnthropicModel `json:"data"`
FirstID string `json:"first_id"`
HasMore bool `json:"has_more"`
LastID string `json:"last_id"`
}

func parseStatusFilter(statusParam string) int {
switch strings.ToLower(statusParam) {
case "enabled", "1":
Expand Down Expand Up @@ -201,9 +217,16 @@ func FetchUpstreamModels(c *gin.Context) {

// 获取响应体 - 根据渠道类型决定是否添加 AuthHeader
var body []byte
if channel.Type == constant.ChannelTypeGemini {
switch channel.Type {
case constant.ChannelTypeGemini:
body, err = GetResponseBody("GET", url, channel, nil) // I don't know why, but Gemini requires no AuthHeader
} else {
case constant.ChannelTypeAnthropic:
// Authropic模型获取Header
header := http.Header{}
header.Add("x-api-key", channel.Key)
header.Add("anthropic-version", "2023-06-01")
body, err = GetResponseBody("GET", url, channel, header)
Comment on lines +223 to +228

@coderabbitai coderabbitai Bot Aug 2, 2025

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💡 Verification agent

🧩 Analysis chain

Verify the Anthropic API version and consider making it configurable.

The implementation correctly sets the required headers for Anthropic API calls. However, the hardcoded version "2023-06-01" should be verified to ensure it's current and supported.

🌐 Web query:

What is the current recommended API version for Anthropic Claude models API?

💡 Result:

As of August 2, 2025, the recommended API version for Anthropic's Claude models is 2025-05-22. This version corresponds to the latest releases of Claude Sonnet 4 and Claude Opus 4, which were introduced on May 22, 2025. (docs.anthropic.com)

To ensure compatibility and access to the latest features, it's advisable to include the anthropic-version header in your API requests, specifying this version. For example:

anthropic-version: 2025-05-22

This practice helps maintain consistent behavior and leverages the most recent advancements in the Claude models.

Citations:

Update Anthropic API version and make it configurable

The hardcoded header value "2023-06-01" is now outdated. According to Anthropic’s docs, the current recommended version is 2025-05-22. To prevent this drifting out of sync in the future, pull the version string from configuration (or define it as a shared constant) rather than embedding it in the call site.

Locations to update:

  • controller/channel.go (around line 225)

Suggested diff:

--- a/controller/channel.go
+++ b/controller/channel.go
@@ case constant.ChannelTypeAnthropic:
-       header.Add("anthropic-version", "2023-06-01")
+       // Use configured Anthropic API version (defaults to latest: 2025-05-22)
+       header.Add("anthropic-version", config.AnthropicAPIVersion)

• Define AnthropicAPIVersion in your config (e.g., via env var or a constants file) with default "2025-05-22".
• This ensures you can bump the version globally without touching each call site.

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents 
In controller/channel.go around lines 223 to 228, the Anthropic API version
header is hardcoded as "2023-06-01", which is outdated. To fix this, define a
shared constant or configuration variable named AnthropicAPIVersion with the
value "2025-05-22" (e.g., in a config or constants file). Then replace the
hardcoded version string in the header.Add call with this constant to make the
version configurable and maintainable.

default:
body, err = GetResponseBody("GET", url, channel, GetAuthHeader(channel.Key))
}
if err != nil {
Expand All @@ -229,6 +252,17 @@ func FetchUpstreamModels(c *gin.Context) {
}
parseSuccess = true
}
case constant.ChannelTypeAnthropic:
var anthropicResult AnthropicModelsResponse
if err = json.Unmarshal(body, &anthropicResult); err == nil {
// 转换Anthropic格式到OpenAI格式
for _, model := range anthropicResult.Data {
result.Data = append(result.Data, OpenAIModel{
ID: model.ID,
})
}
parseSuccess = true
}
}

// 如果解析失败，尝试OpenAI格式
Expand Down