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Anthropic Launches Claude Fable 5.2 and Mythos 5.2: Same Model, Different Safeguards

Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, described as one model offered at two safeguard levels. Claude Fable 5.2 scores 49.1% on FrontierCode 2.0, is priced at $8 per million input tokens and $40 per million output tokens, and ships with a 1M-token context window.

by read1 min views3 publishedNov 10, 2026

Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, one model with two safeguard levels. Fable 5.2 scores 49.1% on FrontierCode 2.0, costs $8/$40 per million tokens, and ships with a 1M-token context window.

The post Anthropic Launches Claude Fable 5.2 and Mythos 5.2: Same Model, Different Safeguards appeared first on MarkTechPost.

source & further reading
marktechpost.com — original article Meta Releases Muse Ember, a 1M-Context Model for High-Volume Agent Work Baidu’s ERNIE Evolve Automated Research System Beats NanoChat and NanoGPT Records Reason Machines Open-Sources Aspen, a Git Server Built for AI Agents
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