AlphaSignal AI
865 posts
AlphaSignal AI
@AlphaSignalAI
The latest news from the top 100 companies in AI. Over 300,000 devs read our newsletter.
- Replying to @AlphaSignalAIPrompting Claude Fable 5: platform.claude.com/docs/en/build-… Introducing Claude Fable 5 and Claude Mythos 5: platform.claude.com/docs/en/about-… Claude Fable 5 and Claude Mythos 5: anthropic.com/news/claude-fa… Effort: platform.claude.com/docs/en/build-…
- Replying to @AlphaSignalAIRepo: github.com/aaif-goose/goo… Check out alphasignal.ai/newsletter to get a daily summary of the latest breakthrough news, models, papers and repos. Read by 300,000+ devs.
- A $40 billion payments company gave away its internal AI agent for free. Most AI agents lock you into one model or vendor. Switching providers usually means rebuilding your whole setup. Jack Dorsey's $40B company open sources an AI agent called goose. It takes a different
- Replying to @AlphaSignalAIRepo: github.com/ltjed/multiage… Check out alphasignal.ai/newsletter to get a daily summary of the latest breakthrough news, models, papers and repos. Read by 300,000+ devs.
- You can now coach every AI action, not just the ending. Most AI systems train one model to do everything. The problem is forgetting. Teach it a new skill, and older skills fade. They all share the same parameters. MAPPA takes a different path. It trains many small agents
- Claude Fable 5’s strongest result was not writing more code. It was rejecting the wrong metric. We tested it on 3 ML tasks: > Perfect churn validation was leakage > Drift was real, but not the root cause > Churn AUC was the wrong target for retention offers The hard one: Fable
- Replying to @AlphaSignalAILinks: Anthropic launch post: anthropic.com/news/claude-fa… Claude Fable 5 product page: anthropic.com/claude/fable Claude models overview: platform.claude.com/docs/en/about-… Fable and Mythos API guide: platform.claude.com/docs/en/about-… Claude Fable 5 and Mythos 5 system card: www-cdn.anthropic.com/d00db56fa754a1…
- Replying to @AlphaSignalAIRepo: github.com/agentforce314/… Check out alphasignal.ai/newsletter to get a daily summary of the latest breakthrough news, models, papers and repos. Read by 300,000+ devs.
- Someone just rebuilt Claude Code from scratch in pure Python. The tool is called ClawCodex and it's 100% open source. That's 180,000 lines of pure Python. No TypeScript runtime required. The original only talks to one model family. This rebuild routes through six providers
