Model comparison
Claude Haiku 4.5 vs Claude Opus 4.8
Anthropic
Claude Haiku 4.5
Fast, cheap, surprisingly capable for high-volume jobs.
Anthropic
Claude Opus 4.8
Anthropic's heavyweight for hard reasoning and agentic work.
Specs
| Metric | Claude Haiku 4.5 | Claude Opus 4.8 |
|---|---|---|
| Context window | 200K tokens | 1M tokens↑ |
| Input $/1M tokens | $1.00↑ | $5.00 |
| Output $/1M tokens | $5.00↑ | $25.00 |
| Modalities | Text · Image · File | Text · Image |
| Open weights | No | No |
| Released | Oct 2025 | May 2026 |
Key differences
- -Claude Haiku 4.5 offers 200K context; Claude Opus 4.8 offers 1M.
- -Input pricing: Claude Haiku 4.5 at $1.00/1M vs Claude Opus 4.8 at $5.00/1M.