Claude Opus 4.5
Model ● Covered in 5 stories + Follow
Claude Opus 4.5 is Anthropic's frontier language model released in November 2025 that has demonstrated significant capabilities in coding and agentic tasks. The model powers Claude Code, a coding tool that can autonomously generate complex software systems, and has become a performance benchmark against which other AI systems are measured, with competitors like GLM-5.2 achieving parity approximately six months after its release.
Updated 7 August 2026
Specifications
No specifications recorded yet.
Latest developments
August 2026
Nvidia reported that a custom agent harness using Agentic Variation Operators enabled Claude Opus 5 to achieve a 100% score on the ARC-AGI-3 benchmark Benchmark result
July 2026
June 2026
Zhipu releases GLM-5.2 open-weight model achieving performance parity with frontier closed-source models Model release
May 2026
January 2026
Relationships
Products & technology
- Anthropic develops this model · 1 source
- Claude Code derived from this model · 1 source
- AI harnesses integrated with this model · 1 source