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Gemini 3.1 Pro vs MiniMax M2.5
A detailed comparison of Gemini 3.1 Pro (Google) and MiniMax M2.5 (MiniMax) across pricing, performance, and features.
Pricing Comparison
| Metric | Gemini 3.1 Pro | MiniMax M2.5 | Difference |
|---|---|---|---|
| Input / 1M tokens | $2.00 | $0.30 | -85% |
| Output / 1M tokens | $12.00 | $1.20 | -90% |
| Context window | 1M | 200K | — |
| Max output | 64K | 128K | — |
Benchmark Comparison
| Benchmark | Gemini 3.1 Pro | MiniMax M2.5 |
|---|---|---|
| MMLU-Pro | 91% | 82% |
| HumanEval | 95% | 90% |
| GPQA | 94.3% | — |
Capabilities
| Capability | Gemini 3.1 Pro | MiniMax M2.5 |
|---|---|---|
| audio | ✓ | ✗ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✗ |
| vision | ✓ | ✗ |
Gemini 3.1 Pro Strengths
- ✓#1 on 12 of 18 tracked benchmarks
- ✓94.3% GPQA Diamond — highest of any model
- ✓Same price as Gemini 3 Pro (free upgrade)
- ✓1M context with configurable thinking levels
Gemini 3.1 Pro Weaknesses
- ✗Still in preview
- ✗Context-tiered pricing ($4/$18 above 200K)
MiniMax M2.5 Strengths
- ✓Frontier quality at budget pricing ($0.30/$1.20)
- ✓80.2% SWE-Bench Verified — among the best
- ✓Open-source (MIT) with 10B active params — easy to run
MiniMax M2.5 Weaknesses
- ✗Text-only — no vision or audio
- ✗No tool-use support
- ✗Newer provider — smaller ecosystem
Quick Verdict
Best value: MiniMax M2.5 is the more affordable option at $0.3/$1.2 per 1M tokens.
Higher benchmarks: Gemini 3.1 Pro scores higher on average across available benchmarks (93.4% avg).
Larger context: Gemini 3.1 Pro supports 1M tokens.
Choose MiniMax M2.5 if cost matters most. Choose Gemini 3.1 Pro if you need the best possible quality for complex tasks.