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Gemini 3.1 Pro vs Claude Opus 4.6
A detailed comparison of Gemini 3.1 Pro (Google) and Claude Opus 4.6 (Anthropic) across pricing, performance, and features.
Pricing Comparison
| Metric | Gemini 3.1 Pro | Claude Opus 4.6 | Difference |
|---|---|---|---|
| Input / 1M tokens | $2.00 | $5.00 | +150% |
| Output / 1M tokens | $12.00 | $25.00 | +108% |
| Context window | 1M | 200K | — |
| Max output | 64K | 32K | — |
Benchmark Comparison
| Benchmark | Gemini 3.1 Pro | Claude Opus 4.6 |
|---|---|---|
| MMLU-Pro | 91% | 89.5% |
| HumanEval | 95% | 95% |
| GPQA | 94.3% | 75.5% |
Capabilities
| Capability | Gemini 3.1 Pro | Claude Opus 4.6 |
|---|---|---|
| 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)
Claude Opus 4.6 Strengths
- ✓Best-in-class agentic tool use and coding
- ✓1M context available in beta (Tier 4)
- ✓Strong at following complex multi-step instructions
Claude Opus 4.6 Weaknesses
- ✗Premium pricing ($10/$37.50 at 1M context)
- ✗1M context beta is Tier 4 only
Quick Verdict
Best value: Gemini 3.1 Pro is the more affordable option at $2/$12 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 Gemini 3.1 Pro if cost matters most. Choose Claude Opus 4.6 if you need the best possible quality for complex tasks.