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GPT-4o Mini vs GPT-5
A detailed comparison of GPT-4o Mini (OpenAI) and GPT-5 (OpenAI) across pricing, performance, and features.
Pricing Comparison
| Metric | GPT-4o Mini | GPT-5 | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.15 | $1.25 | +733% |
| Output / 1M tokens | $0.60 | $10.00 | +1567% |
| Context window | 128K | 128K | — |
| Max output | 16.384K | 16.384K | — |
Benchmark Comparison
| Benchmark | GPT-4o Mini | GPT-5 |
|---|---|---|
| MMLU-Pro | 68% | 88.5% |
| HumanEval | 87.2% | 95% |
| GPQA | — | 73.5% |
Capabilities
| Capability | GPT-4o Mini | GPT-5 |
|---|---|---|
| audio | ✗ | ✓ |
| 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
GPT-5 Strengths
- ✓Strong all-around performance
- ✓Good price for flagship tier
- ✓Multimodal including audio
GPT-5 Weaknesses
- ✗128K context vs 200K+ for newer models
- ✗Codex variants better for pure coding
Quick Verdict
Best value: GPT-4o Mini is the more affordable option at $0.15/$0.6 per 1M tokens.
Higher benchmarks: GPT-5 scores higher on average across available benchmarks (85.7% avg).
Choose GPT-4o Mini if cost matters most. Choose GPT-5 if you need the best possible quality for complex tasks.