LLM ReferenceLLM Reference

Gemini 3.1 Pro

gemini-3-1-pro

ProprietaryMultimodal

About

Google DeepMind's Gemini 3.1 Pro preview model (released Feb 19, 2026), refining Gemini 3 Pro with better thinking, improved token efficiency, enhanced factual consistency, and optimizations for software engineering and agentic workflows. Supports text, image, video, audio, and PDF inputs; text output only. 1M token input context window (65,536 output max). Knowledge cutoff: January 2025. Includes batch API, caching, code execution, function calling, search grounding, structured outputs, and thinking capabilities.

Gemini 3.1 Pro has a 1M-token context window.

Gemini 3.1 Pro input tokens at $2/1M, output at $12/1M.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode ExecutionPrompt CachingBatch APIAudioFine-tuning

Providers(1)

ProviderInput (per 1M)Output (per 1M)Type
Replicate API$2$12Serverless

Benchmark Scores(6)

BenchmarkScoreVersionSource
SWE-bench Verified80.6SWE-bench Verifiedhttps://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-1-pro/
τ-bench76.5τ-benchhttps://taubench.com/
MultiChallenge71.4MultiChallengehttps://labs.scale.com/leaderboard/multichallenge
Google-Proof Q&A94.3diamondArtificial Analysis, LLM Stats, MindStudio, and multiple third-party aggregators
ARC Prize / ARC Challenge77.1ARC-AGI-2Artificial Analysis, LLM Stats, NxCode
Chatbot Arena1493.0https://arena.ai/leaderboard

Rankings

Specifications

Released2026-02-19
Context1M
ArchitectureDecoder Only
Knowledge cutoff2025-01
Specializationgeneral
LicenseProprietary
Trainingpretrained

Created by

Pioneering artificial intelligence research.

London, United Kingdom
Founded 2014
Website

Providers(1)