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...
With CoreAI, you can start chatting with Google: Gemini 3.1 Pro Preview instantly — no separate subscription needed. CoreAI lets you chat with Google: Gemini 3.1 Pro Preview alongside 300+ other AI models from Google and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 392 chat models CoreAI serves, Google: Gemini 3.1 Pro Preview sits at #25 for context capacity — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. On price, it is the #5 cheapest of 64 premium-tier models by input cost. It joined the catalog on 2026-02-19. It supports step-by-step reasoning (thinking mode) and accepts image input.
Every model in this table is available on CoreAI — open the web app and run the same prompt through Google: Gemini 3.1 Pro Preview and Google: Gemini 3.1 Pro Preview Custom Tools side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00800 on Google: Gemini 3.1 Pro Preview's raw per-token rates; a heavy session with a 50K-token document costs about $0.160. On CoreAI you don't juggle these numbers — one subscription covers Google: Gemini 3.1 Pro Preview and 300+ other models under a plan usage limit, with no API keys. See plans.
Google: Gemini 3.1 Pro Preview handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
Google: Gemini 3.1 Pro Preview's underlying rates are $2 per 1M input tokens and $12 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
Yes — Google: Gemini 3.1 Pro Preview accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Google: Gemini 3.1 Pro Preview can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick Google: Gemini 3.1 Pro Preview in the model selector, and chat — no API key, no per-token billing. One subscription covers Google: Gemini 3.1 Pro Preview and 300+ other models.
The closest alternatives on CoreAI are Google: Gemini 3.1 Pro Preview Custom Tools, MoonshotAI: Kimi K3, inclusionAI: Ling-2.6-flash — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with Google: Gemini 3.1 Pro Preview and 300+ other AI models — all in one app.