Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2
Read original source →anthropic.com
Fable 5.2 is up to 30% faster than Fable 5.1 and priced at $8/$40 per 1M tokens, down from $10/$50, with 1M context and $0.20/Mtok cache reads. Mythos 5.2 targets cybersecurity and life sciences research via verification programs; on Cognition's internal cyber benchmark it scored 73.5 vs 56.9 for Mythos 5.1 and 32.7 for Opus 5.5.
How this story unfolded
3 days · 35 reports · 82 community posts · 117 of 122 shown
- Nov 9
Testing Claude on real-world electronics designanthropic.com
Introducing Claude Fable 5.2 and Claude Mythos 5.2anthropic.com
Meet Claude Fable 5.2youtube.com
Claude Fable 5.2 designs a working voice-assistant hubyoutube.com
Introducing Claude Fable 5.2youtube.com
Fable 5.2 and Jagged AGIoneusefulthing.org
Introducing Claude Fable 5.2 on AWSaws.amazon.com
Claude Fable 5.2 is now available in Devindevin.ai
v2.1.321github.com
Anthropic releases new Mythos and Fable models amid RSI concernstechcrunch.com
Anthropic releases Claude Fable 5.2 and Mythos 5.2, pairing new, record-high benchmarks with 20% API cost reductionventurebeat.com
Claude Fable 5.2 now available on AI Gatewayvercel.com
Anthropic launches new Claude Fable and Mythos 5.2 modelstheverge.com
Anthropic releases first frontier models since Amodei's call for slowdown as IPO buzz buildscnbc.com
Anthropic Unveils New Fable, Mythos AI Models Ahead of IPObloomberg.com
Anthropic just dropped the best model ever... (Fable 5.2)youtube.com
2.1.321code.claude.com
Anthropic's Claude Fable 5.2 and Mythos 5.0 Are Impressive, But Be Prepared to Sell a Kidney to Afford Themdecrypt.co
Claude Fable 5.2 Just Dropped. It’s the World’s Best AI.youtube.com
- Nov 10
llm-anthropic 0.31simonwillison.net
Safely scaling multi-agent teams with Claude Fable 5.2claude.dev
Quoting Prompting Claude Fable 5.2simonwillison.net
[AINews] Fable 5.2 retakes World #1 LLM spot as $ANT IPO roadshow beginslatent.space
Anthropic's Claude Fable 5.2 Beats GPT-6 Cyber in Multi-Stage Cyberattack Benchmarkthehackernews.com
Anthropic Rolls Out Mythos 5.2 With Improved Bug Hunting, Fewer Sandbox Escapessecurityweek.com
Anthropic Launches Claude Fable 5.2 and Mythos 5.2: Same Model, Different Safeguardsmarktechpost.com
Did Anthropic just save its $1 trillion IPO?youtube.com
Nobody Is Competing With Anthropicyoutube.com
Fable 5.2: The Self-Improvement Loop Keeps Loopin’ … (plus Gemini Carbon)youtube.com
- Nov 11
Claude Fable 5.2: Too Goodthealgorithmicbridge.com
Claude Mythos 5.2 is now available in Devin Securitydevin.ai
Fable 5.2 Is Quite Insane!youtube.com
Anthropic Just Revealed How to Prompt Fable 5.2youtube.com
Fable and Mythos 5.2: The System Cardthezvi.substack.com
Fable 5.2 or Opus? When to use each model in Claude Codeyoutube.com
- Nov 12
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