Claude Opus 4.5

Model ● Covered in 6 stories + Follow

Claude Opus 4.5 is tracked in TLDRocket’s model dataset. Explore the recorded developments, relationships and supporting evidence below. Coverage reflects our monitored sources and may be incomplete.

Updated 7 August 2026

Specifications

No specifications recorded yet.

Latest developments

Market development: Claude Opus 4.5 & GPT-5.1 Simon Willison’s Weblog · 1 month ago · 1 Benchmark result: Claude Opus 4.5 & Claude Code Trending Topics · 2 months ago · 1 Market development: Anthropic & Claude Opus 4.5 Substack · 3 months ago · 6 Model release: Z.ai & GLM-5.2 Interconnects · 4 months ago · 9 Market development: OpenAI & Claude Opus 4.5 Interconnects · 5 months ago · 6 Market development: Anthropic & Claude Opus 4.5 One Useful Thing · 9 months ago · 8

Timeline

Month Quarter Year

September 2026

27 Sep Market development: Claude Opus 4.5 & GPT-5.1

August 2026

Benchmark result: Claude Opus 5 & NVIDIA Benchmark result

24 Aug Benchmark result: Claude Opus 4.5 & Claude Code

July 2026

10 Jul Market development: Anthropic & Claude Opus 4.5

June 2026

Model release: Claude Opus 4.8 & GLM-5.2 Model release

22 Jun Model release: Z.ai & GLM-5.2

May 2026

26 May Market development: OpenAI & Claude Opus 4.5

January 2026

7 Jan Market development: Anthropic & Claude Opus 4.5

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