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Sameerlite merged 1 commit into from
May 2, 2026
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docs(gemini): Gemini 3 thinking defaults and opt-in legacy flag #60

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8 changes: 8 additions & 0 deletions docs/providers/gemini.md
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Expand Up @@ -295,7 +295,15 @@ curl http://0.0.0.0:4000/v1/chat/completions \
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For **Gemini 3+ models**, LiteLLM now follows provider defaults by default and does **not** force `thinkingLevel` when you pass Anthropic-style `thinking={"type":"enabled","budget_tokens":...}`.

If you want the legacy LiteLLM behavior (force `thinkingLevel="low"` for Pro and `thinkingLevel="minimal"` for Flash), enable:

```python
import litellm

litellm.enable_gemini_default_thinking_level_low = True
```

## Usage - `service_tier`

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