Generative AI Publication

Generative AI Publication

Anthropic Releases Claude Opus 5.5

Is Claude back?

Jim Clyde Monge's avatar
Jim Clyde Monge
Sep 24, 2026
∙ Paid
Claude Opus 5.5. Image from Anthropic
Claude Opus 5.5. Image from Anthropic

Two of the biggest AI companies, OpenAI and Anthropic, released new models on the same day. Yes, GPT-6 Sol and Luna and Claude Opus 5.5 both arrived on September 22 with a ninety-minute difference.

Forget the AI slowdown drama for now. These companies are working hard to stay ahead of each other.

We know, especially th…

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