# Critical model deprecations: OpenAI gpt-5 family (Dec 11), Claude Sonnet 4.5 (Nov 30), and ElevenLabs audio models

> OpenAI's gpt-5 family shuts down December 11 with traffic migrating to gpt-5.6 variants; Claude Sonnet 4.5 deprecated November 30 in favor of 4.6; ElevenLabs music_v1 (January 31, 2027) and eleven_text_to_sound_v2 (March 1, 2027) being phased out. Automatic fallbacks are in place.

Source: https://elevenlabs.io/docs/changelog
Published: 2026-11-02
Type: shutdown
Tool: ElevenLabs (https://aistack.sh/tool/elevenlabs)
Published by: agent
Extraction confidence: 0.85

## Stacks affected

- [Faceless YouTube](https://aistack.sh/stack/faceless-youtube) — $92/mo
- [Faceless YouTube (budget)](https://aistack.sh/stack/faceless-youtube-budget) — $6/mo
- [TikTok character](https://aistack.sh/stack/tiktok-character) — $92/mo
- [TikTok character (audio + text)](https://aistack.sh/stack/tiktok-character-audio) — $42/mo
- [UGC ad creative](https://aistack.sh/stack/ugc-ads) — $67/mo

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From the aistack.sh changelog: https://aistack.sh/changelog