Surprise upset: GPT-5.5 beats Claude Fable 5 on brutal new Agents’ Last Exam benchmark

The victory of GPT-5.5 aligns with recent third-party analysis suggesting that OpenAI's models are currently superior at ...

A Complete Beginner’s Guide to Setting Up and Using ChatGPT 5.5

Master ChatGPT 5.5 with this comprehensive beginner guide. Discover how to use the Codex app to build spreadsheets, ...
The Next Web

Fable 5 was beating GPT 5.5 on every major benchmark. Then the US government pulled it offline.

Anthropic's Fable 5 led every major AI benchmark over OpenAI's GPT 5.5 before a US export control directive forced it offline three days after launch.

Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached

Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached ...
Decrypt

Anthropic Apologizes for Claude Fable 5 Secret Censorship—But the Fix Has a Catch

One day after the AI community erupted over invisible performance sabotage on Claude Fable 5, Anthropic has reversed course.
PRIMETIMER

Hacks season 5 episode 10 (finale) ending explained: Why does Deborah Vance abandon her assisted suicide plan?

Discover the epic ending of Hacks season 5 episode 10. Learn why Deborah Vance changes her mind about her tragic plan in Paris, how Ava handles the truth, and how the acclaimed comedy series wraps up ...
PCMag on MSN

Anthropic Blocks Fable 5, Mythos 5 Access Following Government Order

The government directed Anthropic to block foreign nationals, both inside and outside the US, from using the models, forcing ...
About Amazon

Claude Fable 5 from Anthropic now available on AWS

Anthropic's 5th-generation AI model makes Mythos-level capabilities available to all customers and shows exceptional ...