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GPT-4o Mini vs Claude Opus 4.6
A detailed comparison of GPT-4o Mini (OpenAI) and Claude Opus 4.6 (Anthropic) across pricing, performance, and features.
Pricing Comparison
| Metric | GPT-4o Mini | Claude Opus 4.6 | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.15 | $5.00 | +3233% |
| Output / 1M tokens | $0.60 | $25.00 | +4067% |
| Context window | 128K | 200K | — |
| Max output | 16.384K | 32K | — |
Benchmark Comparison
| Benchmark | GPT-4o Mini | Claude Opus 4.6 |
|---|---|---|
| MMLU-Pro | 68% | 89.5% |
| HumanEval | 87.2% | 95% |
| GPQA | — | 75.5% |
Capabilities
| Capability | GPT-4o Mini | Claude Opus 4.6 |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✗ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
GPT-4o Mini Strengths
- ✓Extremely cheap
- ✓Fast responses
- ✓Good enough for many production tasks
GPT-4o Mini Weaknesses
- ✗Weaker reasoning than full models
- ✗Can hallucinate more on complex topics
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: GPT-4o Mini is the more affordable option at $0.15/$0.6 per 1M tokens.
Higher benchmarks: Claude Opus 4.6 scores higher on average across available benchmarks (86.7% avg).
Larger context: Claude Opus 4.6 supports 200K tokens.
Choose GPT-4o Mini if cost matters most. Choose Claude Opus 4.6 if you need the best possible quality for complex tasks.