Claude Opus 4.7 vs Codex
Anthropic vs OpenAI — benchmarks, pricing, and capabilities side by side.
| Claude Opus 4.7 | Codex | |
|---|---|---|
| Intelligence index | 90.9 | — |
| Developer | Anthropic | OpenAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 1,000,000 tokens | — |
| Input price | $5.00 / 1M | — |
| Output price | $25.00 / 1M | — |
| Speed | 49 tok/s | — |
| Released | April 16, 2026 | August 10, 2021 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |