Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview by Google DeepMind: League Score, pricing, context window and sourced benchmarks — the full tracked record.
52 Closed $2.00 / $12.00 per 1M 1M context
League positions: #29 overall · #6 Coding Division · #4 Reasoning Division · #21 Value Division. Score coverage: 90% of components measured. Count tokens & cost for Gemini 3.1 Pro Preview · Estimate a workload cost
Agent-ready: this model is tracked with agentic strengths. See the AI Agents section for the products and frameworks that put models like this to work.
Specifications & pricing
| Maker | Google DeepMind — lab profile |
| Family | Gemini 3 Pro |
| Released | Feb 19, 2026 |
| Status | Preview |
| Weights | Closed / proprietary API |
| License | Proprietary |
| Knowledge cutoff | Not published |
| Context window | 1,000,000 tokens |
| Max output | 65,536 tokens |
| Modalities in | text, image, audio, video |
| Modalities out | text |
| API price (input) | $2.00 per 1M tokens |
| API price (output) | $12.00 per 1M tokens |
| Cached input | $0.20 per 1M |
| Blended (3:1 in:out) | $4.50 per 1M |
| Pricing source | Official pricing page (checked Oct 14, 2026) |
| API access | Google AI Studio, Gemini API, Vertex AI |
Benchmark results
| Benchmark | Score | Source | Date | Link |
|---|---|---|---|---|
| GPQA Diamond | 94.3 / 100 | CodersEra (press-reported) | Oct 5, 2026 | Source |
| LMArena Elo | 1500 | LMArena via Swfte snapshot | Oct 7, 2026 | Source |
| LiveBench overall | 54.9 / 100 | LiveBench | Oct 14, 2026 | Source |
| SWE-bench Verified | 75.6 / 100 | TechTimes AI benchmarks | Oct 14, 2026 | Source |
How its League Score is built
| Component | Raw | Normalised | Weight | Date | Link |
|---|---|---|---|---|---|
| LiveBench overall | 54.9 | 21.2 | 40% | Oct 14, 2026 | Source |
| SWE-bench Verified | 75.6 | 54.7 | 20% | Oct 14, 2026 | Source |
| GPQA Diamond | 94.3 | 92.6 | 15% | Oct 5, 2026 | Source |
| LMArena Elo | 1500 | 93.2 | 15% | Oct 7, 2026 | Source |
Normalised 0–100 against the tracked field; missing components redistribute their weight. Full rules on the methodology page.
Closest rivals
- Gemini 3.1 Pro Preview vs GPT-6 Luna — full comparison or compare any pair
- Gemini 3.1 Pro Preview vs Gemma 4 31B — full comparison or compare any pair
- Gemini 3.1 Pro Preview vs Nemotron 3 Ultra 550B-A55B — full comparison or compare any pair
FAQ
How much does Gemini 3.1 Pro Preview cost?
Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens and $12.00 per 1M output tokens on the first-party API (checked Oct 14, 2026).
What is the context window of Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview accepts up to 1,000,000 tokens of context.
Is Gemini 3.1 Pro Preview open source?
No — Gemini 3.1 Pro Preview is a closed model available through Google DeepMind’s API and products.
Data verified Oct 14, 2026. Spotted an error? Every figure above links to its source.