Topic

AI models: what changed, week by week

New AI model releases, prices and the claims behind them, each linked to its primary source.

• #2 · October 26, 2026

  DeepSeek Flash lands in Token Pass, OpenAI takes on COBOL, and Claude Code warns before costly resumes

  • DeepSeek V4.1 Flash 1017 is out with MIT-licensed weights, and Vercel added it to Token Pass on Oct 20. The API name deepseek-flash now points at it.
  • Tool of the week: DeepSeek's Search & Fetch APIs. They're free through Claude Code and Codex server-side tools until Oct 31.

  Read: 1. DeepSeek V4.1 Flash 1017: open weights, shorter outputs, now in Token Pass · 5. Tess-4.5-27B: a coding model for your laptop · Tool of the week: DeepSeek Search & Fetch APIs

• #1 · October 19, 2026

  Argon goes GA, two open giants drop, and Claude Code stops burning your cache

  • Gemini 4 Argon is GA at an intro price of $2/$10 per million tokens until Nov 30, then $4/$20. If you're going to test it, test it now.
  • Two big open-weight models shipped: Meta's Muse Spark Open (816B/42B active, custom license) and Reflection Beam 1.0 (501B/23B active, Apache 2.0, 81.6% SWE-bench Verified).

  Read: 1. Gemini 4 Argon is GA, and it's cheap until Nov 30 · 2. Meta's Muse Spark Open: big, multimodal, open weights · 3. Reflection Beam 1.0: Apache 2.0 and strong at code

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