Gemini 3.1 Pro Preview
- Next shutdown
- None setNo date on 2 platforms
- Arena Text
- 1,487#10 of 128 · Arena
- GPQA Diamond
- 94.4%#8 of 108 · Epoch AI
- List price · $ per 1M
- $2.00 in $12.00 outGemini API · cached input $0.20
- Context window
- 1MMax output 65.5K tokens
Dates on every platform
2 listings · a floor is the earliest possible date
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| Gemini APIGoogle: Gemini deprecations (opens in a new tab) · checked Oct 14, 2026 | gemini-3.1-pro-previewPreview | – | None set | – |
| Google Vertex AIGoogle Cloud: Gemini 3.1 Pro (opens in a new tab) · checked Oct 14, 2026 | gemini-3.1-pro-previewPreview | – | None set | – |
What breaks when you move off Gemini 3.1 Pro Preview
No breaking changes are recorded for Gemini 3.1 Pro Preview.
Intelligence
Third-party results, credited below
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| Arena Text | Arena | 1,487 ± 2 | #10 of 128 | Oct 8, 2026 |
| GPQA Diamond | Epoch AI | 94.4% ± 1.6% | #8 of 108 | Aug 6, 2026 |
| Arena WebDev | Arena | 1,447 ± 3 | #38 of 69 | Oct 8, 2026 |
| Arena Agent | Arena | -0 ± 0 | #29 of 35 | Oct 12, 2026 |
| FrontierMath Tier 4 | Epoch AI | 26.8% ± 7.0% | #33 of 58 | Jun 11, 2026 |
| FrontierMath Tiers 1-3 | Epoch AI | 59.6% ± 2.9% | #34 of 71 | Jun 11, 2026 |
| OTIS Mock AIME 2024-2025 | Epoch AI | 95.6% ± 3.1% | #29 of 105 | Feb 20, 2026 |
| SimpleQA Verified | Epoch AI | 73.5% ± 1.4% | #4 of 68 | Aug 10, 2026 |
Arena (arena.ai), https://arena.ai/leaderboard
Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].
List prices
$ per 1M tokens, with each price’s source
| Platform | Input | Cached | Output | In effect | Source |
|---|---|---|---|---|---|
Gemini APIgemini-3.1-pro-preview | $2.00 | $0.20 | $12.00 | Feb 19, 2026Current · Prompts over 200K tokens are billed at higher rates. | Google: Gemini Developer API pricing (opens in a new tab) |
Google Vertex AIgemini-3.1-pro-preview | $2.00 | $0.20 | $12.00 | Feb 19, 2026Current · Prompts over 200K tokens are billed at higher rates. | Google Cloud: Agent Platform pricing (opens in a new tab) |