Gemini 3.1 Pro Preview Custom Tools
by Google · gemini-pro family · released 2026-02-19
On output pricing, Gemini 3.1 Pro Preview Custom Tools is cheaper than 99 of the 588 priced models tracked here, at $12/Mtok. Its 1,048,576-token context window is larger than 650 of 674 models. Capabilities: vision, tools, reasoning, structured output.
Specifications
| Provider | |
| Family | gemini-pro |
| Input price | $2/Mtok |
| Output price | $12/Mtok |
| Cache read price | $0.2/Mtok |
| Context window | 1,048,576 |
| Max output tokens | 65,536 |
| Input modalities | text, image, video, audio, pdf |
| Output modalities | text |
| Capabilities | vision, tools, reasoning, structured output |
| Knowledge cutoff | 2025-01-01 |
| Released | 2026-02-19 |
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