Opus 5
Model ● Covered in 6 stories + Follow
This profile is built automatically from TLDRocket coverage.
Specifications
No specifications recorded yet.
Latest developments
Introducing Fugu Max and Fugu Ultra v2: Orchestrating the Pareto Frontier
Sakana AI ·
44
Agents on Rails: Fable 5.1 & GLM 5.3 Flash
rubyonrails.org · 1 week ago ·
22
Claude Fable 5.1 made me a really nice animated pelican
Simon Willison’s Weblog · 2 weeks ago ·
5
Anthropic's Opus 5 is about token efficiency, not a capability leap
Ars Technica · 1 month ago ·
14
Anthropic’s Opus 5 is almost Fable 5
The New Stack · 1 month ago ·
42
Anthropic launches Opus 5
TechCrunch · 1 month ago ·
13
September 2026
Sakana AI releases Fugu Max and Fugu Ultra v2 multi-agent orchestration models via a hosted, OpenAI-compatible API Model release
Agents on Rails benchmark leaderboard updated with rerun results for Anthropic Claude Fable 5.1 and Z.ai GLM 5.3 Flash Benchmark result
- Introducing Fugu Max and Fugu Ultra v2: Orchestrating the Pareto Frontier
- Agents on Rails: Fable 5.1 & GLM 5.3 Flash
- Claude Fable 5.1 made me a really nice animated pelican
July 2026
Anthropic releases Claude Opus 5, matching Fable 5 capabilities at half the price Model release
Relationships
Products & technology
- Anthropic develops this model · 3 sources
- Deploys Terminal-Bench-Science 0.1 · 1 source
Competition
- Claude Fable 5.1 competes with this model · 1 source
- Fugu Ultra v2 competes with this model · 1 source