Anthropic
Refined Sonnet-tier model with extended thinking support and strong performance on agentic tasks. A solid choice for production workloads requiring high quality.
This model is still tracked for research and discovery, but it is excluded from default public rankings until it returns to active status.
29.7
Quality Score
---
Arena ELO
Undisclosed
Parameters
200K
Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
Sign in to join the discussion
0
Downloads
0
Likes
Sep 2025
Released