Gemini 3.1 Pro Preview

Google

Frontier ModelReasoningVision ModelProprietary

Analysis of Google's Gemini 3.1 Pro Preview and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.

Context

Release Date: Feb 19, 2026
Window: 1M

PricingPer 1M tokens

Input: $2
Output: $12
Blended 3:1: $4.5

Capabilities

Speed: 132 t/s
Input
Output
Reasoning tokens

Latency

TTFT: 22.88 ms
500 token response: 26.65 s

Benchmarks

Reasoning: ●●●○○
Coding: ●●●○○
GPQA: 94.1%
HLE: 44.7%
SciCode: 58.9%

Analysis of Google's Gemini 3.1 Pro Preview and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.