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GPT-5.2 Codex vs Llama 4 Maverick
A detailed comparison of GPT-5.2 Codex (OpenAI) and Llama 4 Maverick (Meta) across pricing, performance, and features.
Pricing Comparison
| Metric | GPT-5.2 Codex | Llama 4 Maverick | Difference |
|---|---|---|---|
| Input / 1M tokens | $1.75 | $0.31 | -82% |
| Output / 1M tokens | $14.00 | $0.85 | -94% |
| Context window | 200K | 1M | — |
| Max output | 65.536K | 32K | — |
Benchmark Comparison
| Benchmark | GPT-5.2 Codex | Llama 4 Maverick |
|---|---|---|
| MMLU-Pro | 89% | 80.5% |
| HumanEval | 95.5% | 90.2% |
| GPQA | 76% | — |
Capabilities
| Capability | GPT-5.2 Codex | Llama 4 Maverick |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✓ | ✗ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✗ |
| vision | ✓ | ✓ |
GPT-5.2 Codex Strengths
- ✓Strong coding performance
- ✓Available via API now
- ✓200K context window
GPT-5.2 Codex Weaknesses
- ✗Being superseded by 5.3
- ✗Higher output cost than some competitors
Llama 4 Maverick Strengths
- ✓Open-source and self-hostable
- ✓1M context window
- ✓Very competitive via API providers
Llama 4 Maverick Weaknesses
- ✗Requires significant compute to self-host
- ✗Fewer tool-use capabilities than proprietary models
Quick Verdict
Best value: Llama 4 Maverick is the more affordable option at $0.31/$0.85 per 1M tokens.
Higher benchmarks: GPT-5.2 Codex scores higher on average across available benchmarks (86.8% avg).
Larger context: Llama 4 Maverick supports 1M tokens.
Choose Llama 4 Maverick if cost matters most. Choose GPT-5.2 Codex if you need the best possible quality for complex tasks.