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AIOctober 8, 2026, 13:58

AI Dev Weekly #29: Haiku 5.5, Mistral Large 4, Decisions API and Copilot

Anthropic launched Claude Haiku 5.5 with prices 90% below Haiku 4.5 for short prompts and halved Sonnet 5.5 cache-read pricing. Mistral opened an API preview of Large 4 with 1.05T parameters, OpenAI added a Decisions API, and GitHub made Copilot's local sandbox generally available.

AI Dev Weekly #29: Haiku 5.5, Mistral Large 4, Decisions API and Copilot
#Anthropic#Mistral#OpenAI#GitHub
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