Gemini 3.1 Pro preview
- In Input modalities: TextImageVideoAudioPDF Out Output modalities: Text
- Reasoning· low, medium, high
- Tool use
- Structured output
Prices
2 offerings · prices as listed| Conditions/ 1M tokens | Input | Cache read | Output |
|---|---|---|---|
| Standard | $2.00 | $0.20 | $12.00 |
| Prompts over 200K tokens | $4.00 | $0.40 | $18.00 |
| Flex tier | $1.00 | $0.20 | $6.00 |
| Priority tier | $3.60 | $0.36 | $21.60 |
| Batch | $1.00 | $0.20 | $6.00 |
| Prompts over 200K tokensFlex tier | $2.00 | $0.40 | $9.00 |
| Prompts over 200K tokensPriority tier | $7.20 | $0.72 | $32.40 |
| Prompts over 200K tokensBatch | $2.00 | $0.40 | $9.00 |
Prices from Gemini API pricing (opens in a new tab) (checked Nov 8, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Knowledge cutoff
- Jan 2025
- Open weights
- —
- Family
- gemini-pro
- Model ID
Not stated on Google’s pages: reasoning can be off, max thinking budget, aliases.
Cited scores
From third-party leaderboards, not measured by us- Epoch Capabilities Index 156.2
#35 of 118 listed models · CI 154.6–158.1
- LMArena Text 1,487
#16 of 163 listed models · CI 1,484–1,490 · 132,347 votes
- Epoch AI · Chess Puzzles 51%
#16 of 85 listed models · high effort · ±5.02
- Epoch AI · EBR-bench 14.3%
#20 of 28 listed models
- Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 28 – Nov 5, 2026
- LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
- EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 24 – 28, 2026
- LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
- changes we made
Provider-reported scores
Published by Google, under the conditions it states| Benchmark | Setting | Score |
|---|---|---|
| Humanity's Last Exam | full set, text + MM, no tools, thinking high | 44.4% |
| full set, text + MM, search (blocklist) + code, thinking high | 51.4% | |
| GPQA Diamond | no tools, pass@1, thinking high | 94.3% |
| Terminal-Bench 2.0 | Terminus-2 harness, thinking high | 68.5% |
| SWE-bench Verified | single attempt, averaged over 10 runs, thinking high | 80.6% |
| SWE-bench Pro | public set, single attempt, averaged over 5 runs, thinking high | 54.2% |
| τ²-bench | retail, thinking high | 90.8% |
| telecom, thinking high | 99.3% | |
| BrowseComp | search + Python + browse (Deep Research), thinking high | 85.9% |
| MMMU-Pro | no tools, average of Standard (10 options) and Vision, thinking high | 80.5% |
| MMMLU | thinking high | 92.6% |
Changes
All changes →- 4 new prices on Gemini API Input (Prompts over 200K tokens, Batch) $2.00 · Output (Prompts over 200K tokens, Batch) $9.00 · Input (Prompts over 200K tokens, Priority tier) $7.20 · Output (Prompts over 200K tokens, Priority tier) $32.40
Sources
- Gemini 3.1 Pro model evaluation (approach, methodology & results) (opens in a new tab) deepmind.google · checked Sep 26, 2026
- Gemini API pricing (opens in a new tab) ai.google.dev · checked Nov 8, 2026
- Gemini 3.1 Pro Preview model (opens in a new tab) ai.google.dev · checked Nov 8, 2026
- Gemini 3 developer guide (opens in a new tab) ai.google.dev · checked Nov 1, 2026
- Gemini API deprecations (opens in a new tab) ai.google.dev · checked Nov 3, 2026
- Gemini thinking - Interactions API | Google AI for Developers (opens in a new tab) ai.google.dev · checked Nov 8, 2026
- Vertex AI generative AI pricing (opens in a new tab) cloud.google.com · checked Nov 5, 2026
Google’s official policies: data use, privacy, terms →
Google · United States · ai.google.dev
Related models
Snapshots, the same family and other models from this provider
- Gemini 1.5 Pro
- Gemini 1.0 Pro
- Gemini 4 Carbon
- Gemini 4 Argon
- Gemini 3.8 Flash
- Gemini Robotics ER 2 preview
- Gemini Robotics ER 2 Streaming preview
- Gemini 3.5 Flash-Lite
- Claude Opus 5.5 vs Gemini 3.1 Pro preview
- Gemini 3.1 Pro preview vs GLM-5.3
- Gemini 3.1 Pro preview vs GPT-6 Astra
- Gemini 3.1 Pro preview vs Grok 4.7
- Gemini 3.1 Pro preview vs Kimi K3
- Gemini 3.1 Pro preview vs Mistral Large 4
- Gemini 3.1 Pro preview vs Muse Wonder
- Gemini 3.1 Pro preview vs Qwen3.8-Max