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Multiple model description updates: Claude Fable 5 positioning changed from widely released to open to all customers, Claude Opus 4.7 emphasizes complex reasoning and agent coding, Claude Opus 4.8 emphasizes default 1M context window; also added compliant API feature changes (activity source metadata removal, local session endpoint GA, restored billing for specific denials), reflecting adjustments to model positioning and compliance features.
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Permanent link
https://daily.maas.click/item/obs_cd85a35c0057aa7ed464e1a87eb521f56b77eb7030308aeceadcf719561c3617/Source page
https://docs.anthropic.com/en/release-notes/api ↗This link points to the source's official page (not content on this site).