Agentic Chat (Claude Opus 4.6)
duo-chat-opus-4-6
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Specification
most-agreed values
Context
1M
Max output
64K
Released
2026-02-05
Knowledge cutoff
2025-05-31
Retires
—
Open weights
no
Input
text, image, pdf
Output
text
Price
US dollars per million tokens · most-agreed
Input
free
Output
free
Cache read
free
Cache write
free
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| gitlab | free | free | free | free | 1M | 64K | — |