llama-stack-mirror/llama_stack/apis/inference
Ashwin Bharambe aaf5036235
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feat(responses): add usage types to inference and responses APIs (#3764)
## Summary
Adds OpenAI-compatible usage tracking types to enable reporting token
consumption for both streaming and non-streaming responses.

## Type Definitions
**Chat Completion Usage** (inference API):
```python
class OpenAIChatCompletionUsage(BaseModel):
    prompt_tokens: int
    completion_tokens: int
    total_tokens: int
    prompt_tokens_details: OpenAIChatCompletionUsagePromptTokensDetails | None
    completion_tokens_details: OpenAIChatCompletionUsageCompletionTokensDetails | None
```

**Response Usage** (responses API):
```python
class OpenAIResponseUsage(BaseModel):
    input_tokens: int
    output_tokens: int
    total_tokens: int
    input_tokens_details: OpenAIResponseUsageInputTokensDetails | None
    output_tokens_details: OpenAIResponseUsageOutputTokensDetails | None
```

This matches OpenAI's usage reporting format and enables PR #3766 to
implement usage tracking in streaming responses.

Co-authored-by: Claude <noreply@anthropic.com>
2025-10-10 09:22:59 -04:00
..
__init__.py chore: remove nested imports (#2515) 2025-06-26 08:01:05 +05:30
event_logger.py pre-commit lint 2024-09-28 16:04:41 -07:00
inference.py feat(responses): add usage types to inference and responses APIs (#3764) 2025-10-10 09:22:59 -04:00