gemini-2.5-flash-lite-preview-06-17

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Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improved throughput, faster token generation, and better performance across common benchmarks compared to earlier Flash models. By default, "thinking" (i.e. multi-pass reasoning) is disabled to prioritize speed, but developers can enable it via the [Reasoning API parameter](https://openrouter.ai/docs/use-cases/reasoning-tokens) to selectively trade off cost for intelligence.

Input:$0.1 / 1M tokens

Output:$0.4 / 1M tokens

Context:1048576 tokens

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Model Parameters

9 available

include_reasoning

max_tokens

response_format

stop

structured_outputs

temperature

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tool_choice

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top_p

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