Claude Haiku 4.5 is the newer model, released after GPT-5 Nano.
| Spec | Claude Haiku 4.5 | GPT-5 Nano |
|---|---|---|
| Input price | $1/M tokens | — |
| Output price | $5/M tokens | — |
| Context window | 200K tokens | — |
| Released | Oct 2025 | Aug 2025 |
| SWE-bench Verified | 73.3% | 54.7% |
Not enough votes to call it. On the specs, Claude Haiku 4.5 has the edge: bigger model tier, newer, bigger context window.
Claude Haiku 4.5 uses 513.9x more bold
Claude Haiku 4.5 is the newer model, released after GPT-5 Nano.
| Spec | Claude Haiku 4.5 | GPT-5 Nano |
|---|---|---|
| Input price | $1/M tokens | — |
| Output price | $5/M tokens | — |
| Context window | 200K tokens | — |
| Released | Oct 2025 | Aug 2025 |
| SWE-bench Verified | 73.3% | 54.7% |
Not enough votes to call it. On the specs, Claude Haiku 4.5 has the edge: bigger model tier, newer, bigger context window.
Claude Haiku 4.5 uses 513.9x more bold