Anthropic: Claude Haiku 4.5 vs OpenAI: o1
Anthropic: Claude Haiku 4.5 wins on more metrics (4 of 6), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Anthropic: Claude Haiku 4.5 | OpenAI: o1 |
|---|---|---|
| Intelligence Index | 23.7✓ | 23.4 |
| Coding Index | — | 39.7✓ |
| GPQA Diamond | 65% | 75%✓ |
| Design Arena Elo | 1153✓ | — |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $1.00✓ | $15.00 |
| Output price /M | $5.00✓ | $60.00 |
| Context window | 200K | 200K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |
Frequently asked
Is Anthropic: Claude Haiku 4.5 better than OpenAI: o1?
Anthropic: Claude Haiku 4.5 wins on more metrics (4 of 6), but the right pick depends on what you optimize for — see the breakdown below.
What are the biggest differences between Anthropic: Claude Haiku 4.5 and OpenAI: o1?
The table on this page compares Anthropic: Claude Haiku 4.5 and OpenAI: o1 metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.