Model tracker / Google
Gemini 3.1 Pro
Gemini 3.1 Pro is an everyday model from Google, released 19 February 2026. It's in preview. At Google it costs $2.00 per million input tokens and $12.00 per million output tokens, with a 1M-token context window.
- Made by
- Alphabet (Google, Google DeepMind, Google Cloud)
- Released
- 2026-02-19
- Status
- Preview
- Tier
- Everyday
- Weights
- Closed
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Input
- text, image, audio, video, pdf
- API id
gemini-3.1-pro-preview
Gemini 3.1 Pro price at Google
US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on.
| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Google · maker | $2.00 | $12.00 | $0.20 | $4.50 | 50% off | 2026-10-14 |
- Google: Prompts over 200K tokens: $4 in / $18 out ($0.40 cached). Cache storage $4.50 per 1M tokens per hour. No free tier.
Gemini 3.1 Pro benchmarks
| Benchmark | Score | What it measures | Reported by |
|---|---|---|---|
| SWE-bench Verified | 80.6% | real GitHub issues fixed | |
| GPQA Diamond | 94.3% | graduate-level science questions answered correctly | |
| LMArena text score | 1487 | Elo-style score from people voting between answers | Independent |
Scores reported by a model's maker aren't independently checked.
Models like Gemini 3.1 Pro
Other everyday models closest in price, at each maker's own price or the cheapest provider.
| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Gemini 3.1 Pro | $2.00 | $12.00 | 1M | Closed |
| Command A+ Cohere | $2.50 | $10.00 | 128K | Open |
| Claude Sonnet 5.5 Anthropic | $2.00 | $10.00 | 1M | Closed |
| GPT-6.1 Sol OpenAI | $2.00 | $10.00 | 1.1M | Closed |
| Kimi K3 Moonshot AI | $3.00 | $15.00 | 1M | Open |
| Ember-1 Fireworks AI | $3.00 | $15.00 | 1M | Closed |
Compare them all in the model tracker →
Gemini 3.1 Pro on dbggr
- Is grep replacing vector search? When to use embeddings, agentic search or long context in 2026 Article, 2026-10-10
- How to write instructions for AI agents: what's tested and what's vibes Article, 2026-10-09
Gemini 3.1 Pro FAQ
How much does Gemini 3.1 Pro cost?
Gemini 3.1 Pro costs $2.00 per million input tokens and $12.00 per million output tokens at Google, and $0.20 per million cached input tokens, with 50% off for batch requests. Prices are list prices in US dollars, last checked 14 October 2026.
What is Gemini 3.1 Pro's context window?
Gemini 3.1 Pro takes up to 1,048,576 tokens in one request and writes up to 65,536 tokens in one response.
Is Gemini 3.1 Pro open weight?
No. Gemini 3.1 Pro is only available through Google's API; Google doesn't publish the weights.
Where can I use Gemini 3.1 Pro?
Gemini 3.1 Pro is available from Google. At Google, call it as gemini-3.1-pro-preview.