Mythos

Claude Fable 5.1 available in Microsoft Foundry

Maxime Hiez
Foundry
03 Sep, 2026

Introduction Microsoft expands its Anthropic catalog in Microsoft Foundry with Claude Fable 5.1 and Claude Mythos 5.1, the same day as their launch by Anthropic. As with *Claude O

Anthropic launches Claude Fable 5.1 and Claude Mythos 5.1

Maxime Hiez
Anthropic
02 Sep, 2026

Introduction Anthropic announces Claude Fable 5.1 and Claude Mythos 5.1, two variants of a single model succeeding Claude Fable 5 and Claude Mythos 5. Beyond the capabilities, the

Anthropic launches Claude Fable 5 and Claude Mythos 5

Maxime Hiez
Anthropic
10 Jun, 2026

Introduction Anthropic announces the launch of Claude Fable 5 and Claude Mythos 5, two models built on the same foundation, with capabilities surpassing those of any previously releas