Google: Gemini 3.1 Pro Preview Custom Tools

Pricing, context window and lifecycle for google/gemini-3.1-pro-preview-customtools, tracked from what the vendor publishes.

Price per million tokens

Facts

Supported parameters

include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_p

Other Google models

• google/gemini-2.5-flash $0.300 in / $2.50 out
• google/gemini-2.5-flash-image $0.300 in / $2.50 out
• google/gemini-2.5-flash-lite $0.100 in / $0.400 out
• google/gemini-2.5-flash-lite:batch $0.050 in / $0.200 out
• google/gemini-2.5-flash:batch $0.150 in / $1.25 out
• google/gemini-2.5-pro $1.25 in / $10.00 out
• google/gemini-2.5-pro-preview $1.25 in / $10.00 out
• google/gemini-2.5-pro-preview-05-06 $1.25 in / $10.00 out
• google/gemini-2.5-pro:batch $0.625 in / $5.00 out
• google/gemini-3-flash-preview $0.500 in / $3.00 out

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