10:50 PM
Today in brief.
Anthropic extends Fable 5 access and lifts Claude Code's 5-hour limits
Anthropic extended free Fable 5 access through July 19 and relaxed Claude Code's rate limits - and the builder community is loudly telling them to make it permanent.
+26 sources
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The new builder stack: Grok plans, Fable codes, GPT-5.6 runs
Power users are settling into a multi-model workflow - Grok 4.5 for research and planning, Fable 5 for coding, GPT-5.6 for execution - instead of betting on one lab.
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Sam vs Elon, round 2
The Altman-Musk feud reignited publicly, right as both labs are shipping - a reminder that the frontier race is as much narrative war as engineering.
1 source 6:37 AM 🔬 🔬 ScienceAravind's bet: Fable-5-quality models, 3-4x cheaper, within 6 months
Perplexity's Aravind Srinivas laid out a concrete deflation curve: Fable-5-grade quality at 3-4x lower cost in under 6 months, and Opus-4.8-grade running on a local device within a year.
3 sources
🤖 AI
How much your coding agent phones home before you type a word
Two wire-level teardowns went front-page: Claude Code sends ~33k tokens of system prompt before it reads yours, and someone reverse-engineered exactly what Grok's CLI ships back to xAI.
🤖 AI
OpenAI folds Codex into ChatGPT and turns Sites into a vibe-coding platform
OpenAI merged Codex into the ChatGPT app, shipped three new models (one close to Fable 5), and rebuilt Sites into a full vibe-coding surface with an updated in-app browser.
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