# Claude Opus 4.1

Claude Opus 4.1 · Not on the active radar. A release or rename under this name is not confirmed.

- Developer: Anthropic
- Id: claude-opus-4-1
- Reported: 2026-10-19T12:05:58.000Z
- Sighting: 2026-10-07T16:22:11.205Z
  - [evidence link](https://github.com/truefoundry/models/blob/main/providers/azure-ai-foundry/claude-opus-4-1.yaml)
- Status: Sighting
- Not on the active radar. A release or rename under this name is not confirmed.
- Canonical: https://alexgetman.com/models/anthropic/claude-opus-4-1/

## Questions

### What is the context window of Claude Opus 4.1?

The context window is 200,000 tokens. The maximum output is 32,000 tokens.

### How much does Claude Opus 4.1 cost?

Pricing is $15.00 per million input tokens and $75.00 per million output tokens. Cached input is $1.50 per million.

### When was Claude Opus 4.1 released?

Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.

## Timeline

- 2026-11-13T18:46:22.506Z · [GitHub search · Anthropic · pulls · adobe/skills · @renovate[bot]](https://github.com/adobe/skills/pull/451)

## Evidence links

- [GitHub search · Anthropic · pulls · adobe/skills · @renovate[bot]](https://github.com/adobe/skills/pull/451)
- [truefoundry-azure](https://github.com/truefoundry/models/blob/main/providers/azure-ai-foundry/claude-opus-4-1.yaml)
- [anthropic-pricing](https://platform.claude.com/docs/en/about-claude/pricing)

## Signals