Anthropic launches Claude Opus 5.5, official page hits HN
km144 · hn · 2026-09-23
Anthropic's official page for Claude Opus 5.5 — the first model in the Claude 5.5 family, said to match Claude Fable 5.1 at 40% lower cost than Opus 5 — draws discussion on Hacker News.
More from Models
- Andriy Burkov: Codex Is Infinitely Faster Than Any Open-Weight Agent, But Priced Out of Reach — burkov · 2026-09-23
- Viral demo claims 'GPT-6' can drive browser Paint to draw, unverified — alexcovo_eth · 2026-09-23
- Opus 5.5-generated three.js spell demo wows with procedural VFX and sound — majidmanzarpour · 2026-09-23
- Early hands-on with rumored Opus 5.5 in Scenario's Blender plugin stuns users — repligate · 2026-09-23
- GPT-6 Sol's price cut means it should be compared to Sonnet, not Opus — TraditionalHome8852 · 2026-09-23
- User burns two OpenAI 20x accounts down to 13%, sizing up GPT-6 efficiency — jdjohnson · 2026-09-23