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Anthropic

* Anthropic requires all Mythos-class models comply with 30 day data retention for trust and safety, please see more information here. As of June 12, 2026, Claude Fable 5 is not currently available—see Anthropic’s update on Mythos access here.

OpenAI

Google

xAI

Droid Core (Open Models)

Custom models

Configure custom models through Bring Your Own Key (BYOK).