Release dates
— Claude Opus 4.8 launched. ↗
Claude Opus 4.8
Improved agent judgment, tool efficiency, computer use, and long-session collaboration over Opus 4.7.
MODEL NUMBER080
- First public date
- 2026-05-28
- Organization
- Anthropic
- Family
- Claude
01
Specifications
Only published specifications are shown.
- Context
- 1,000,000 tokens
- Input modalities
- Text · Image
- Open weights
- No
- Status
- Legacy
02
Overview
PreviousClaude Opus 4.7— · 1M ctx
CurrentClaude Opus 4.8— · 1M ctx
04
Architecture & capabilities
Model capabilities
Long-horizon agentCoding
Connected tools
Computer use
API features
Effort control
05
Release history
Claude Opus 4.8 launched.
View source06
Related models
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07
Sources
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