# Claude Opus 4.8 Fast

api.venice.ai deprecated the model Claude Opus 4.8 Fast without giving a shutdown date yet.

api.venice.ai has deprecated the Claude Opus 4.8 Fast model without announcing a shutdown date. Calls specifying model Claude Opus 4.8 Fast will fail. Check existing implementations to identify where this identifier is in use.

## What to use instead

Use Claude Opus 5.5 Fast instead.

- API: api.venice.ai (api.venice.ai)
- Model: Claude Opus 4.8 Fast
- Kind: Model retirement
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model Claude Opus 4.8 Fast`
- Source: [Changelog](https://venice.ai/changelog)
- Verified: November 2, 2026, against api.venice.ai's own pages
- Page: https://www.okapi.bot/models/api-venice-ai/claude-opus-4.8-fast/

## api.venice.ai's words

> Claude Opus 4.8 Fast→replaced by [Claude Opus 5.5 Fast](https://basehub.venice.ai/models/claude-opus-5-5)

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent