Google: Gemini 3.1 Pro Preview

google/gemini-3.1-pro-preview
Created Nov 18, 2025|1M context context|Starting at $2/M input tokens|Starting at $12/M output tokens

Gemini 3.1 Pro is Google’s flagship frontier model for high-precision multimodal reasoning, combining strong performance across text, image, video, audio, and code with a 1M-token context window. It delivers state-of-the-art benchmark results in general reasoning, STEM problem solving, factual QA, and multimodal understanding, including leading scores on LMArena, GPQA Diamond, MathArena Apex, MMMU-Pro, and Video-MMMU. Interactions emphasize depth and interpretability: the model is designed to infer intent with minimal prompting and produce direct, insight-focused responses.

Built for advanced development and agentic workflows, Gemini 3.1 Pro provides robust tool-calling, long-horizon planning stability, and strong zero-shot generation for complex UI, visualization, and coding tasks. It excels at agentic coding (SWE-Bench Verified, Terminal-Bench 2.0), multimodal analysis, and structured long-form tasks such as research synthesis, planning, and interactive learning experiences. Suitable applications include autonomous agents, coding assistants, multimodal analytics, scientific reasoning, and high-context information processing.

Providers for Gemini 3.1 Pro Preview

Routes requests to the best providers that are able to handle your prompt size and parameters.

ProviderContext WindowMax OutputInput PriceOutput PriceCache ReadCache Write
GCP Vertex
1000K65K
$2
$12
>200K: $4
$0