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1. Anthropic Launches Claude Haiku 5.5: From $0.10, About 75% Cheaper Than Its Predecessor

   

   Anthropic launched Claude Haiku 5.5 on Oct 7 (ET), the third Claude 5.5 model: $0.10 input / $0.50 output per …

   Stories·Oct 8

2. Google Antigravity Adds Claude Opus 5.5 and Sonnet 5.5 for Paid Subscribers

   

   …ntigravity's model docs added Claude Opus 5.5 / Sonnet 5.5 on Oct 3, for Google AI Pro/Ultra paid subscribers …

   Stories·Oct 4

3. Anthropic Releases Claude Sonnet 5.5: Same Sticker Price, ~30% Cheaper Per Task

   

   Anthropic today released Claude Sonnet 5.5, the second model in its 5.5 family: $2/$10 pricing unchanged, but …

   Stories·Sep 29

4. Claude vs GPT for Coding: Same Mid-Tier Price, a 2.5× Flagship Gap, Benchmarks Measured Differently

   

   …completed its 5.5 family with Claude Sonnet 5.5 on September 28. This article checks both companies’ official …

   Comparisons·Oct 7