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Watermarking Text, Editing Music with Words, Transcribing 85 Languages: September 2026 AI Digest

Claude Fable 5.1 becomes the default model for Claude Code, cutting cache costs by 75% and reducing security false positives by 60%. Suno v6 launches a three-model family that lets you edit finished songs in plain language. Google Gemini 3.7 Flash targets coding agents at half the price of its predecessor, while Gemini 3.5 Transcribe handles real-time speech in 85+ languages with word-level timestamps.