Claude 4.5 Haiku vs Claude 4.7 Opus
Direct spec comparison of Claude 4.5 Haiku (from Anthropic) and Claude 4.7 Opus (from Anthropic). Want a 3- or 4-way comparison? Open the multi-model tool →
 Claude 4.5 HaikuAnthropic | Claude 4.7 Opus Anthropic | |
|---|---|---|
| Vendor | Anthropic | Anthropic |
| Family | Claude | Claude |
| Release date | 2025-10-01 | 2026-04-16 |
| Context window | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | — |
| Modality | text, vision | text, vision |
| License | proprietary | proprietary |
| Source | proprietary | proprietary |
| Description | Fast, cost-effective Claude model. | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). Optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. |
| Links | ||
| Benchmarks | ||
| MMLU-Pro | — | 88.2% |
| GPQA-D | — | 90.1% |
| HumanEval | — | 97.4% |
| Aider | — | 91.2% |
| AIME-25 | — | 93.5% |
| LiveCB | — | 80.2% |
| MMMU | — | 79.0% |
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