Weekly AI roundup: Claude Haiku 5.5 cuts prices ~90%, Gemini 4 Argon output jumps to 1M tokens

DeepLearningAI · x · 2026-10-16

DeepLearningAI's weekly Data Points roundup:

• Claude Haiku 5.5: priced at $0.10/$0.50 per million tokens for prompts up to 100K, 90% cheaper than Haiku 4.5, while staying fast and capable.
• Microsoft-Decision-1: a decision model outputting calibrated probabilities over fixed options in one pass, built for classification, routing, and agent gating; $0.042/M input tokens, output free.
• Meta Muse Wonder: claimed comparable to top Google and OpenAI models at $4/$20 per million tokens; no full safety report yet.
• Gemini 4 Argon: wide release raises the output limit to 1M tokens (up from 64K) with a shared input/output window; intro pricing of $2/$10 per million tokens until Nov 30.
• Also noted: Python 3.15 ships and Python 3.10 reaches end of life.

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