Compare, 2 models
Side by side.
GPT-5.5 and Claude Opus 4.7 on every board at least two of them share. Blue marks the best in each row.
Specs
List prices, context and published output speed. Blue marks the best in each row.
| Spec | GPT-5.5OpenAI | Claude Opus 4.7Anthropic |
|---|---|---|
| Lab | OpenAI | Anthropic |
| Type | Language | Language |
| Released | Apr 23, 2026 | Apr 16, 2026 |
| Input price$ per 1M tokens | $5.00 | $5.00 |
| Output price$ per 1M tokens | $30.00 | $25.00 |
| Blended price3 input tokens per output | $11.25 | $10.00 |
| Open weights | No | No |
Benchmarks
Every board where at least two of these models have a published score. Each score links to its source.
| Board | GPT-5.5OpenAI | Claude Opus 4.7Anthropic |
|---|---|---|
| Artificial Analysis Intelligence IndexOverall, higher is better | 38Xhigh | 41Max |
| Artificial Analysis Coding IndexCoding and agents, higher is better | 75 | 74 |
n/a means the board has not published a score for that model.