GPT-5.3 Chat (latest) vs OpenAI: GPT-5.2-Codex
Both have similar output pricing, while OpenAI: GPT-5.2-Codex offers a larger context window. Choose GPT-5.3 Chat (latest) or OpenAI: GPT-5.2-Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.3 Chat (latest) | OpenAI: GPT-5.2-Codex |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / 1M tokens | $1.75 | $1.75 |
| Output / 1M tokens | $14.00 | $14.00 |
| Context window | 128K | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Dec 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.