feat: support deepseek claude format (convert) by Calcium-Ion · Pull Request #1522 · QuantumNous/new-api

Calcium-Ion · 2025-08-07T11:03:58Z

Summary by CodeRabbit

Bug Fixes
- Improved JSON output by omitting the server tool use field when not present.
- Enhanced response handling to better manage finish reasons in streaming scenarios.
- Expanded stop reason mapping for more accurate status reporting.
Refactor
- Updated request conversion logic to delegate processing to a shared implementation, replacing a previous placeholder.

coderabbitai · 2025-08-07T11:04:04Z

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Walkthrough

The changes update JSON serialization for a struct field to use omitempty, implement the ConvertClaudeRequest method in the Deepseek adaptor by delegating to the OpenAI adaptor, and refine control flow in OpenAI-to-Claude streaming response conversion, including expanded handling for stop reasons.

Changes

Cohort / File(s)	Change Summary
ClaudeUsage JSON Serialization `dto/claude.go`	Updated the `ServerToolUse` field's JSON tag in `ClaudeUsage` struct to use `omitempty`.
Deepseek Adaptor Claude Request Conversion `relay/channel/deepseek/adaptor.go`	Implemented `ConvertClaudeRequest` by delegating to `openai.Adaptor{}.ConvertClaudeRequest`.
OpenAI-to-Claude Stream Response Logic `service/convert.go`	Modified control flow for handling `FinishReason` and expanded stop reason mapping in conversion logic.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant DeepseekAdaptor
    participant OpenAIAdaptor

    Client->>DeepseekAdaptor: ConvertClaudeRequest(ctx, relayInfo, claudeReq)
    DeepseekAdaptor->>OpenAIAdaptor: ConvertClaudeRequest(ctx, relayInfo, claudeReq)
    OpenAIAdaptor-->>DeepseekAdaptor: result, error
    DeepseekAdaptor-->>Client: result, error

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

feat: Claude to gemini （适配claude格式调用gemini渠道模型） #1443: Implements Claude request conversion in another adaptor, delegating through Gemini, showing a parallel approach to request conversion.
feat: 改进 RequestOpenAI2ClaudeMessage 和添加 claude web search 计费 #1384: Originally introduced the ServerToolUse field in ClaudeUsage, directly relating to the current JSON tag update.

Poem

A nibble here, a tweak just right,
Omitting fields that hide from sight.
Adaptor calls now pass the test,
With stop reasons handled at their best.
In code’s bright warren, changes hop—
This rabbit’s work will never stop! 🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 3c4b1ef and 18c630e.

📒 Files selected for processing (3)

dto/claude.go (1 hunks)
relay/channel/deepseek/adaptor.go (1 hunks)
service/convert.go (2 hunks)

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liaokaime · 2025-08-08T02:38:53Z

@Calcium-Ion 如何使用claude格式请求deepseek模型？在哪里设置，没看到呀

Calcium-Ion · 2025-08-08T02:48:26Z

不用设置啊，直接请求就行了

liaokaime · 2025-08-08T03:01:30Z

不用设置啊，直接请求就行了

@Calcium-Ion 我用exe启动new-api，设置了deepseek渠道，确认可用，用cherry studio的Anthropic连one-api，请求claude 4模型，提示不可用

liaokaime · 2025-08-08T03:15:35Z

我明白了，是直接以claude的格式请求deepseek模型，模型名id要填deepseek的，如果要以"claude-sonnet-4-20250514"模型名请求openai的模型，则需要填模型重定向，并且要将"claude-sonnet-4-20250514"填入模型。openai转claude同理

{
 "claude-sonnet-4-20250514": "deepseek-chat"
}

Calcium-Ion · 2025-08-08T03:18:34Z

我明白了，是直接以claude的格式请求deepseek模型，模型名id要填deepseek的，如果要以"claude-sonnet-4-20250514"模型名请求openai的模型，则需要填模型重定向，并且要将"claude-sonnet-4-20250514"填入模型。openai转claude同理
{
 "claude-sonnet-4-20250514": "deepseek-chat"
}

对的，是这样

liaokaime · 2025-08-10T11:51:08Z

我明白了，是直接以claude的格式请求deepseek模型，模型名id要填deepseek的，如果要以"claude-sonnet-4-20250514"模型名请求openai的模型，则需要填模型重定向，并且要将"claude-sonnet-4-20250514"填入模型。openai转claude同理
{
 "claude-sonnet-4-20250514": "deepseek-chat"
}
对的，是这样

@Calcium-Ion 但似乎Azure Openai尚未支持转换为claude格式，我只能运行2个new-api服务，一个将azure openai转为openai，另一个从openai转为claude，有支持azure的计划吗？

Calcium-Ion · 2025-08-10T11:53:22Z

我明白了，是直接以claude的格式请求deepseek模型，模型名id要填deepseek的，如果要以"claude-sonnet-4-20250514"模型名请求openai的模型，则需要填模型重定向，并且要将"claude-sonnet-4-20250514"填入模型。openai转claude同理
{
 "claude-sonnet-4-20250514": "deepseek-chat"
}
对的，是这样
@Calcium-Ion 但似乎Azure Openai尚未支持转换为claude格式，我只能运行2个new-api服务，一个将azure openai转为openai，另一个从openai转为claude，有支持azure的计划吗？

azure支持转claude，走的是openai的同一套逻辑，并且有问题提issue讨论，不要在这里讨论

feat: support deepseek claude format (convert)

18c630e

Calcium-Ion merged commit ba7325c into alpha Aug 7, 2025
1 of 2 checks passed

Calcium-Ion deleted the support-deepseek-claude branch August 9, 2025 10:27

QuantumNous locked and limited conversation to collaborators Aug 10, 2025

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feat: support deepseek claude format (convert) - #1522

feat: support deepseek claude format (convert)#1522
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