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Overview Models Image, video & speech Coding tools Production API reference

Overview Models Image, video & speech Coding tools Production API reference

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Available models Image request builder

Chat models

Gemini chat GLM-5.3 GLM-5.3 Flash Qwen DeepSeek V4.1 / V4 Grok

gemini-3.1-flash-lite

gemini-3.1-flash-liteChatExamples verified 2026-09-25

Gemini 3.1 Flash Lite

The lightweight 3.1 model at $0.25 / $1.5. Built for high-concurrency classification and extraction.

Official price: $0.25 / $1.50/ 1M tokensInput / output

Notes

Thinking is on by default and can't be fully turned off; a small max_tokens can leave only thinking and no answer.

Read the integration guideJSON Schema

Available groups

Gemini (all models, incl. image)
Gemini Official Direct

Integration guide

Pricing

Official price in USD. Actual charge = official price × group multiplier.

Input: $0.25 / 1M tokens
Cached input: $0.025 / 1M tokens
Output: $1.50 / 1M tokens

Endpoints

POST/v1/chat/completions

Same family

gemini-3.8-flash gemini-3.7-flash gemini-3.6-flash gemini-3.5-flash-lite gemini-3.5-flash gemini-3.1-pro-preview-customtools gemini-3.1-pro-preview gemini-3.1-flash-lite-preview gemini-3-flash-preview gemini-2.5-pro gemini-2.5-flash-lite gemini-2.5-flash

Prices come from the public catalog; limits come from specs exported from the gateway’s validation code. Actual charge = official price × group multiplier.