Daily AI Briefing
The editor's 6 picks from the 120 stories AIBriefs curated that day.
Get this briefing in your inbox every morning
Fable 5.2 is now the default Fable model with 1M context at $8/$40 per Mtok (down from $10/$50) and up to 30% faster than Fable 5.1. Anthropic says both models set a new bar in coding, finance, and the sciences.
Anthropic, PBC filed a Form S-1 for a Class A common stock offering and intends to list on the Nasdaq Global Select Market under the ticker "ANT"; share count and price range are not yet set. Latent Space reports 1,400% growth, 85% margin, $1B Q2 operating profit and $134B cash, while Bloomberg flags $417B in future AI spending.
Muse Ember scores 36 on the Artificial Analysis Intelligence Index, tying Claude Haiku 5.5 and beating GPT-6 Luna's 28, at $0.10/M input and $0.50/M output tokens. It carries a 1M-token context with up to 512K output tokens, but weights are private — hosted only via Meta Model API and Muse Code.
Apiiro found 1,122 public copies of .claude/settings.local.json holding at least one secret, out of over 100,000 uploaded settings files from 63 organizations. "Yes, and don't ask again" saves exact commands, secrets included, in plain text; one notified company confirmed its key was live.
LongCat-2.5 has 1.6 trillion total parameters with roughly 48-49B activated per token, built for sustained agentic coding and visual understanding. It ships under a permissive MIT license, with a 1M-token context window and availability via Meituan's chat service, API, and Vercel AI Gateway.
Agents powered by Gemini Carbon generated over six million lines of Lean proofs in a four-week proof-of-concept, with humans reviewing just 1% of the codebase. DeepMind says it's the first formal verification of a widely deployed cryptographic protocol's implementation, by any method.
Also that day
102 more stories that day — open the live feed.
Get tomorrow's AI brief in your inbox