Language Model News

Anthropic

All articles

2026/10/13

  1. Claude Managed Agents' web_fetch now fetches only URLs that already appear in the session
  2. Claude Max and Team plans now include monthly API credits ($100 on Max 5x)
  3. Claude Sonnet 5.5 keeps Sonnet 5's price, and its cache reads were halved on 7 October
  4. Claude Haiku 5.5 is priced like GPT-6 Luna up to 100K tokens, and five times higher beyond

2026/09/28

  1. Claude Opus 5.5 is $4 in and $20 out, and the model Anthropic now recommends first

2026/09/15

  1. Inception's Mercury 2.5, a diffusion model at $0.75 per million output tokens

2026/09/08

  1. GPT-6 Astra prices, and the 272K line that reprices the whole request
  2. Claude Fable 5.1 takes the top of the lineup, and Fable 5 moves to legacy
  3. Cache reads on Fable 5.1 are a quarter of what they cost on Fable 5

2026/09/02

  1. The current Claude lineup: 1M context, 128K output, retirement more than a year out
  2. SWE-bench Verified is at 97, and the top of the table is hard to read
  3. A benchmark number means nothing without the conditions it was taken under
  4. Claude API prices, and the Sonnet 5 increase that did not happen
  5. What prompt caching actually costs, and where the tenth does not hold
  6. Long context: who reprices the whole request, and who does not
  7. Adding an MCP server to Claude Code, and which scope to pick