Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is an artificial intelligence model developed by Google, released on February 19, 2026. In performance evaluations, the model achieved an intelligence index of 57.2 and a coding index of 55.5. Benchmark results include a GPQA score of 0.941, an HLE score of 0.447, a SciCode score of 0.589, an IFBench score of 0.771, an LCR score of 0.727, a TerminalBench Hard score of 0.538, and a TAU2 score of 0.956. Regarding operational metrics, the model demonstrates an output speed of 123.203 tokens per second with a time to first token of 18.613 seconds. Pricing for the model is set at $2.00 per 1M input tokens and $12.00 per 1M output tokens, resulting in a blended rate of $4.50 per 1M tokens.