Claude Opus 5.5 is now available in Kiro

KKiro9/28/2026, 12:00:52

Claude Opus 5.5 is now available in Kiro. Users can download Kiro, or restart the Kiro IDE, CLI, or Crew, to check for the latest models.

Kiro says it is Anthropic’s most capable Opus model yet, with Fable 5.1-level performance on most work at 40% lower cost than Opus 5. Further details are at spr.ly/6014BGUAxA.

#claude-opus #kiro #anthropic #model-availability

View original post ↗

Previous articleAbubakar Abid says Gradio is being redesigned from scratch Next articlePi directs users to run pi update --models as Claude introduces Sonnet 5.5

Related AI news

Claude Opus 5.5 is now available on B.AI, with API and Web Chat opening together

B.AI now offers Claude Opus 5.5. According to B.AI, the model supports a 1M-token context and up to 128K output, matches Claude Fable 5.1 on most tasks, and costs about 40% less to run than Opus 5.

BB.AI•9/23/2026, 01:27:10•

#claude-opus #b.ai #anthropicai #model-launch

Claude Opus 5.5 (High) ranks second in Arena.ai Agent Arena

Arena.ai places Anthropic’s Claude Opus 5.5 (High) second in Agent Arena with a +12.15% net improvement. Only Fable 5.1 (Max) ranks higher, and Arena.ai puts the median price at $1.31 per task, 64% less.

AArena.ai•9/28/2026, 10:10:49•

#claude-opus #agent-arena #arena.ai #anthropic

Artificial Analysis puts Claude Opus 5.5 (max) at $5.98 per Intelligence Index task

The estimate is close to $5.86 for Opus 5 (max). Higher token use is offset by a 20% base-price cut and a further reduction in cache-read pricing to $0.20.

AArtificial Analysis•9/22/2026, 16:43:35•

#claude-opus #pricing #artificial-analysis #anthropic #intelligence-index

Claude says Claude Opus 5.5 is available today

Claude says Claude Opus 5.5 is available today. The statement was posted at 18:55 UTC on September 22, 2026, and gives no platform, price, quota, or eligibility terms.