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Artificial intelligence

Model launches, lab moves, and the compute bills behind them.

Stories, page 1 of 4

Muse Spark Open weighs 1,644 GB, more than 2 Macs hold
AI

11 min read

Muse Spark Open weighs 1,644 GB, more than 2 Macs hold

Meta says its new downloadable model runs at home on 2 Apple Mac Studios. The files it published are 1,644 GB, the 2 machines hold about 1,024 GB, and Apple ships the big one late October.

OpenAI withdraws 3 math papers over 1 sign error
AI

12 min read

OpenAI withdraws 3 math papers over 1 sign error

A single sign error took down 3 manuscripts from OpenAI's mathematics release. Its own notice says the theorem is not claimed false, and the repository has comments switched off.

Mistral Large 4 is open weight, and your laptop can't run it
AI

11 min read

Mistral Large 4 is open weight, and your laptop can't run it

Mistral announced its biggest model on 6 October 2026 and said the weights arrive by the end of the month. This morning there was still no file, and Ollama offers it as a cloud model only.

Best long context LLM in 2026, priced per full window
AI

12 min read

Best long context LLM in 2026, priced per full window

8 models with a window near a million tokens, ranked by what one full window costs to send. Reflection announced Beam on 5 October, and this morning there were still no weights to download.

AI spending limits, which providers actually stop the bill
AI

12 min read

AI spending limits, which providers actually stop the bill

Simon Willison wants hard budget caps on by default. Each vendor's own billing page, read on 5 October 2026, says 4 of these 5 AI services already stop at a monthly ceiling you never set.

What a decision model is, and why Clef is not the cheap one
AI

11 min read

What a decision model is, and why Clef is not the cheap one

Cloudflare open sourced Clef on 1 October and charges $0.240 per million input tokens for it. TypeSafe's Jev, the model Cloudflare measures itself against, publishes $0.042.

Gemini 4 Argon vs GPT-6 Astra, the one you can't buy
AI

11 min read

Gemini 4 Argon vs GPT-6 Astra, the one you can't buy

Google announced Argon on 30 September at a fifth of Astra's price for an introductory period. It has no row on Google's own pricing page, and its only door is a program with 650 partners.

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