Ben’s Bites roundup highlights Kimi K3, Fable 5, Cursor costs and self-driving companies
Ben's Bites · rss · 2026-07-21
Ben’s Bites publishes a wide-ranging AI industry roundup and a personal note from Ben.
Big headlines
- Kimi K3 from Moonshot AI is said to beat Fable and GPT-5.6-Sol on Arena’s frontend coding leaderboard, while being half the price per token but twice as token-hungry as Sol. It supports images and a 1M-token context window, and its weights are promised open by July 27. New subscriptions are paused because of GPU shortages.
- Fable 5 is now included in Claude’s Max and Team plans, and the model is also credited with disproving the 87-year-old Jacobian conjecture.
- Sierra’s Horizon is pitched as agents that work toward business outcomes over days or months, spanning calls, texts, email, and internal systems, with pricing tied to outcomes rather than tokens.
- NotebookLM has been renamed Gemini Notebook and now has Collections to organize notebooks.
Quick links and product notes
- Cursor reportedly rebuilt SQLite from an 835-page manual with multiple agent-swarm setups, with costs ranging from $1,339 to $10,565 depending on the model combo.
- Notion AI now has browser access in early access.
- Ramp Router sends each request to a relevant model and reportedly saves 30% internally.
- Other mentions include OpenShip, Lucy 2.5, Linear Loops, Rivet, Hilos, tldraw offline, and self-driving-company writeups from Replit and Gumroad.
The issue reads like a fast-moving snapshot of the current AI product and company landscape.
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