GPT-5.2-Codex vs Claude-Opus-4
GPT-5.2-Codex is cheaper on output tokens, while GPT-5.2-Codex offers a larger context window. Choose GPT-5.2-Codex or Claude-Opus-4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.2-Codex | Claude-Opus-4 |
|---|---|---|
| Provider | Poe | Poe |
| Input / 1M tokens | $1.60 | $13.00 |
| Output / 1M tokens | $13.00 | $64.00 |
| Context window | 400K | 193K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jan 2026 | May 2025 |
FAQ
Is GPT-5.2-Codex or Claude-Opus-4 cheaper?
GPT-5.2-Codex is cheaper on output tokens ($13.00 vs $64.00 per 1M).
Which has the larger context window, GPT-5.2-Codex or Claude-Opus-4?
GPT-5.2-Codex has the larger context window (400K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.