Very long inputs
Choose Gemini 3.1 Pro
Gemini 3.1 Pro reads up to 1.05M tokens per request, against 256k for Mistral Large 3.
Gemini 3.1 Pro vs Mistral Large 3: price, context and capabilities
Choose Gemini 3.1 Pro for very long inputs, the hardest reasoning tasks, agentic coding, tool use and support agents, reasoning over long documents and the latest release. Choose Mistral Large 3 for self-hosting and data control.
In short
- A price comparison is not possible: one of them has no comparable published price.
- Gemini 3.1 Pro reads more per request: 1.05M tokens against 256k.
- Gemini 3.1 Pro is the newer model (February 2026, against December 2025).
- Only Gemini 3.1 Pro offers reasoning, prompt caching, batch api.
- Only Mistral Large 3 offers self-hostable.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Hardest reasoning tasks
Choose Gemini 3.1 Pro
Gemini 3.1 Pro scores 29.7 on the Artificial Analysis Intelligence Index, against 9.3 for Mistral Large 3.
Agentic coding
Choose Gemini 3.1 Pro
Gemini 3.1 Pro scores 53.8% on Terminal-Bench Hard, against 15.9% for Mistral Large 3.
Tool use and support agents
Choose Gemini 3.1 Pro
Gemini 3.1 Pro scores 95.6% on τ²-Bench (agentic tool use), against 24.6% for Mistral Large 3.
Reasoning over long documents
Choose Gemini 3.1 Pro
Gemini 3.1 Pro scores 82% on Long-context reasoning (AA-LCR), against 36% for Mistral Large 3.
Self-hosting and data control
Choose Mistral Large 3
Mistral Large 3 has open weights, so you can run it on your own servers; Gemini 3.1 Pro is only available through its provider.
Latest release
Choose Gemini 3.1 Pro
Gemini 3.1 Pro is the newer release (February 2026, against December 2025 for Mistral Large 3).
Specifications side by side
| Gemini 3.1 Pro | Mistral Large 3 | |
|---|---|---|
| Provider | Mistral AI | |
| Category | Language models | Language models |
| Status | Preview | Legacy |
| Headline price | $4.50 / 1M tokens | No data |
| Input | $2.00 / 1M tokens | No data |
| Output | $12.00 / 1M tokens | No data |
| Cached input | $0.20 / 1M tokens | No data |
| Context window | 1.05M | 256k |
| Max output | 66k | No data |
| Released | February 2026 | December 2025 |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Open weights |
| Capabilities | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API | Vision, Tool calling, Structured output, Self-hostable |
| API model id | gemini-3.1-pro-preview | mistral-large-2512 |
Benchmarks side by side
Leader in bold.
| Benchmark | Gemini 3.1 Pro | Mistral Large 3 |
|---|---|---|
| Intelligence Index | 29.7 | 9.3 |
| Terminal-Bench Hard | 53.8% | 15.9% |
| SciCode | 58.7% | 36.6% |
| GPQA Diamond | 94.1% | 68% |
| Humanity's Last Exam | 47% | 4.2% |
| IFBench (instruction following) | 77.1% | 36.2% |
| τ²-Bench (agentic tool use) | 95.6% | 24.6% |
| MMMU-Pro (visual reasoning) | 82.4% | 55.7% |
| Long-context reasoning (AA-LCR) | 82% | 36% |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose Gemini 3.1 Pro or Mistral Large 3?
Choose Gemini 3.1 Pro for very long inputs, the hardest reasoning tasks, agentic coding, tool use and support agents, reasoning over long documents and the latest release. Choose Mistral Large 3 for self-hosting and data control.
Which is cheaper, Gemini 3.1 Pro or Mistral Large 3?
A price comparison is not possible: one of them has no comparable published price.
Which has the larger context window, Gemini 3.1 Pro or Mistral Large 3?
Gemini 3.1 Pro reads more per request: 1.05M tokens against 256k.
What is the difference between Gemini 3.1 Pro and Mistral Large 3?
Gemini 3.1 Pro is made by Google and Mistral Large 3 by Mistral AI. A price comparison is not possible: one of them has no comparable published price. Gemini 3.1 Pro reads more per request: 1.05M tokens against 256k. Gemini 3.1 Pro is the newer model (February 2026, against December 2025). Only Gemini 3.1 Pro offers reasoning, prompt caching, batch api. Only Mistral Large 3 offers self-hostable.
Which is better for coding, Gemini 3.1 Pro or Mistral Large 3?
Gemini 3.1 Pro scores 53.8% on Terminal-Bench Hard, against 15.9% for Mistral Large 3.
Which is newer, Gemini 3.1 Pro or Mistral Large 3?
Gemini 3.1 Pro was released on February 2026 and Mistral Large 3 on December 2025.