Grok 4.20 is now GA. This adds both variants to the bundled catalog
and removes the superseded experimental beta entries that shipped
during the preview period.
- Add grok-4.20-reasoning (2M context, reasoning enabled)
- Add grok-4.20-non-reasoning (2M context, reasoning disabled)
- Remove grok-4.20-experimental-beta-0304-reasoning
- Remove grok-4.20-experimental-beta-0304-non-reasoning
- Update provider docs and tests