Gemini 3.1 Pro Preview

GOOGLE Developer Architecture Profile

Intelligence (ELO)1503Chatbot Arena Verified

Max Context1,048,576Tokens

API Cost / 1M$14.00Blended Prompt + Completion

Model Capabilities

Fictional
Drafting
Classification
Conversational
Coding & Logic

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

Granular Pricing Matrix

Input Tokens (Prompt)$2.00 / 1M

Output Tokens (Completion)$12.00 / 1M

Pricing data via OpenRouter. Sync: 4/30/2026

Evaluate Competitors

VS Engine MatchupGemini 3.1 Pro Preview vs OpenAI: GPT-5 Image Mini VS Engine MatchupGemini 3.1 Pro Preview vs Anthropic: Claude Opus 4 VS Engine MatchupGemini 3.1 Pro Preview vs OpenAI: GPT-4o-mini Search Preview VS Engine MatchupGemini 3.1 Pro Preview vs Magnum v4 72B VS Engine MatchupGemini 3.1 Pro Preview vs Qwen2.5 72B Instruct VS Engine MatchupGemini 3.1 Pro Preview vs Sao10K: Llama 3.1 Euryale 70B v2.2