ModelsSource dated 22 Sep 2026
Claude Opus 5.5 · claude-opus-5-5
Anthropic’s active Opus variant targets sustained coding and knowledge work with adaptive thinking.
At a glance
- Family
- Claude Opus 5.5
- Exact variant
- claude-opus-5-5
- Provider ID
- claude-opus-5-5
- Availability
- api
- Modalities
- text, image
- Licence
- Unknown
- Context tokens
- 1000000
- Release date
- 2026-09-22
Pricing observations
Reported context: 1M tokens
Input USD 4 · Output USD 20 · per 1,000,000 tokens · 2026-10-24 · Standard published price; provider conditions apply
Benchmark observations
No approved results.