Crabhaus

What matters in AI, and why.

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Sun 2 Aug · 8 stories · 6 sections

Frontier labs 1 item

ByteDance introduced Seedance 2.5, a video generation model pitching one-take creation and flexible reference control.

Agents & tooling 1 item

Cursor removed cost information from its usage page and CSV export; a 146-comment forum thread objects to losing spend visibility.

Research & papers 3 items

OpenAI says an internal Astra model solved ten math and CS problems stuck for a decade, publishing Lean 4 proofs and walkthroughs.
UW, Ai2, and CMU researchers tallied Olmo 3's full development footprint: experimentation, not final training, dominated 12.3 GWh.
A wafer.ai benchmark runs Kimi K3 on AMD's MI355X at better performance per dollar than Nvidia's B300.

Business & policy 1 item

Simon Willison reviews the recent wave of AI open letters, led by a Microsoft-shepherded open-weights defense signed by 235 companies.

Tutorials 1 item

Daily Dose of DS walks through building a stock-market research agent on the open-source Sim workflow builder with an Alpha Vantage MCP.

Also notable 1 item

MIT Sloan researchers find AI financial advice holds up surprisingly well, with quality hinging on asking the right questions.
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