Claude Opus 4.8
Anthropic
anthropic/claude-opus-4.8Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family at this point in the lineup, supporting text, image, and file input with reasoning and a 1M-token context window. It is aimed at the highest-difficulty coding, analysis, and agentic tasks.
Cost rate
5x
Context
1M
Released
May 27, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Business, Management, & Finance
#9 · top 2%
Software & IT Services
#10 · top 3%
Writing, Literature, & Language
#12 · top 3%
Mathematical
#12 · top 3%
Performance
Median latency and throughput measured across recent requests.
Throughput54 tok/s
Latency