
Anthropic releases Claude Fable 5 and Mythos 5 with major gains in coding and science
Quick Answer
Anthropic has launched Claude Fable 5 and Mythos 5, surpassing the Opus generation in coding and research.
Quick Take
Anthropic has launched Claude Fable 5 and Mythos 5, surpassing the Opus generation in coding and research. Fable 5 completed a Stripe code migration in one day, a task that typically takes two months, while Mythos 5 autonomously designed drug candidates but remains restricted due to its cyber capabilities.
Key Points
- Claude Fable 5 outperformed traditional coding teams by completing a task in one day.
- Mythos 5 autonomously designed drug candidates, showcasing advanced capabilities.
- Both models are positioned to significantly enhance coding and scientific research.
- Fable 5's performance indicates a major leap in AI-assisted development.
- Mythos 5 remains restricted due to its potential offensive cyber capabilities.
Article Excerpt
From source RSS / original summaryAnthropic ships two new models, Claude Fable 5 and Mythos 5, that claim to blow past the current Opus generation, especially in coding and research. Fable 5 finished a code migration for Stripe in one day that would have taken a team two months. Mythos 5 designed drug candidates on its own but stays locked down for now due to its offensive cyber capabilities. The article Anthropic releases Claude Fable 5 and Mythos 5 with major gains in coding and science appeared first on The Decoder.
Reader Mode unavailable (could not extract clean content).
Want this in your inbox every morning?
Daily brief at your local 8am — bilingual EN/中文, free.
More from The Decoder
See more →
OpenAI models now available on Amazon Web Services
OpenAI has launched GPT-5.5, GPT-5.4, and Codex on Amazon Bedrock, matching its own pricing. Currently, these models are available only in the US across commercial and government AWS regions, with usage contributing to existing AWS contracts.


