the diff / Claude API
Every Diff about Claude API: the model, pricing, limit and feature changes that alter how you ship with an agent, newest first, each with its official source. 2 notes so far; the newest is from October 8, 2026. Written by MK.
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October 8, 2026 · Claude API
Anthropic launched claude-haiku-5-5 on October 7 at $0.10 in and $0.50 out per Mtok under 100K tokens. Haiku 4.5 thinking budgets now return a 400 error.
score more tokens, same text: 30%
October 7, 2026 · Claude API
Anthropic deprecated claude-sonnet-4-5-20250929 on September 30, 2026. Requests to it fail after November 30. The replacement is claude-sonnet-5-5.
score days of notice: 61
other tools: Lovable · OpenAI API · Gemini API
