Claude Opus 4.7 vs GPT-5.5 Instant
Anthropic vs OpenAI — benchmarks, pricing, and capabilities side by side.
| Claude Opus 4.7 | GPT-5.5 Instant | |
|---|---|---|
| Intelligence index | 90.9 | — |
| Developer | Anthropic | OpenAI |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 1,000,000 tokens | — |
| Input price | $5.00 / 1M | $5.00 / 1M |
| Output price | $25.00 / 1M | $30.00 / 1M |
| Speed | 49 tok/s | — |
| Released | April 16, 2026 | May 5, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |