Compare, 2 models
Side by side.
GPT-5.4 and Claude Sonnet 5 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-5.4OpenAI | Claude Sonnet 5Anthropic |
|---|---|---|
| Lab | OpenAI | Anthropic |
| Type | Language | Language |
| Released | Mar 5, 2026 | Jun 30, 2026 |
| Input price$ per 1M tokens | $2.50 | $2.00 |
| Output price$ per 1M tokens | $15.00 | $10.00 |
| Blended price3 input tokens per output | $5.63 | $4.00 |
| 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-5.4OpenAI | Claude Sonnet 5Anthropic |
|---|---|---|
| Artificial Analysis Intelligence IndexOverall, higher is better | 39Xhigh | 38Max |
| Artificial Analysis Coding IndexCoding and agents, higher is better | 71 | 72 |
n/a means the board has not published a score for that model.