Model comparison
Claude Opus 4.8 vs o4 Mini
Anthropic
Claude Opus 4.8
Anthropic's heavyweight for hard reasoning and agentic work.
OpenAI
o4 Mini
Fast, cheap reasoning for high-volume intelligent tasks.
Specs
| Metric | Claude Opus 4.8 | o4 Mini |
|---|---|---|
| Context window | 1M tokens↑ | 200K tokens |
| Input $/1M tokens | $5.00 | $1.10↑ |
| Output $/1M tokens | $25.00 | $4.40↑ |
| Modalities | Text · Image | Image · Text · File |
| Open weights | No | No |
| Released | May 2026 | Apr 2025 |
Capability differences
| Capability | Claude Opus 4.8 | o4 Mini |
|---|---|---|
| Vision | Yes | No |
| Prompt caching | Yes | No |
Key differences
- -Claude Opus 4.8 offers 1M context; o4 Mini offers 200K.
- -Input pricing: Claude Opus 4.8 at $5.00/1M vs o4 Mini at $1.10/1M.