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o3 vs GPT-4o Mini
A detailed comparison of o3 (OpenAI) and GPT-4o Mini (OpenAI) across pricing, performance, and features.
Pricing Comparison
| Metric | o3 | GPT-4o Mini | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.40 | $0.15 | -63% |
| Output / 1M tokens | $1.60 | $0.60 | -63% |
| Context window | 200K | 128K | — |
| Max output | 100K | 16.384K | — |
Benchmark Comparison
| Benchmark | o3 | GPT-4o Mini |
|---|---|---|
| MMLU-Pro | 87% | 68% |
| HumanEval | 94.5% | 87.2% |
| GPQA | 79.2% | — |
Capabilities
| Capability | o3 | GPT-4o Mini |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✓ | ✗ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
o3 Strengths
- ✓Recently repriced — now very cheap
- ✓Excellent logical reasoning
- ✓200K context window
o3 Weaknesses
- ✗Slower due to reasoning overhead
- ✗Overkill for simple tasks
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
Quick Verdict
Best value: GPT-4o Mini is the more affordable option at $0.15/$0.6 per 1M tokens.
Higher benchmarks: o3 scores higher on average across available benchmarks (86.9% avg).
Larger context: o3 supports 200K tokens.
Choose GPT-4o Mini if cost matters most. Choose o3 if you need the best possible quality for complex tasks.