flagshipAnthropic·Released 2026-05
Claude Opus 4.8
Anthropic's most capable Opus-tier model for complex reasoning, agentic coding, and high-autonomy work.
Pricing verified October 20, 2026 · source
Key specifications
| Vendor | Anthropic |
| Tier | flagship |
| Context window | 1M tokens |
| Pricing | $5 / $25 per 1M tokens (input/output) |
| Released | 2026-05 |
| Categories | Text GenerationAdvanced ReasoningCode GenerationMultimodalEnterprise |
Note: Verified 2026-10-20: model page shows Status "Active (legacy)", released May 28, 2026, $5 / $25 per MTok, 1M context, retirement not sooner than May 28, 2027; Claude Opus 5.5 is now the current Opus model.
Key features
- •Anthropic's most capable Opus-tier model for complex reasoning
- •Strong performance on agentic coding tasks
- •Adaptive thinking mode for deliberate reasoning
- •Tool use and computer use
- •Used inside Claude Code
Other models from Anthropic
Compare with similar models
Model lineups change often. AI Flash Report tracks new model releases and maintains a deprecation calendar for models being retired.
← Back to all AI models