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Models / Anthropic / claude opus 4.6 fast

claude opus 4.6 fast RETIRED

anthropic/claude-opus-4.6-fast
Status: no longer in the live catalog. As of July 2026, this model id is not served — it has been retired, renamed, or superseded upstream. This page stays up so you can find the current replacement.

Closest current models

Claude Opus 4.7 (Fast)
$30.00 / $150 per 1M · 1M
Claude Opus 4.8 (Fast)
$10.00 / $50.00 per 1M · 1M
Claude Opus 4
$15.00 / $75.00 per 1M · 200K

Migrating

Code calling anthropic/claude-opus-4.6-fast will error. Through an OpenAI-compatible gateway the fix is one line — change the model string to a current id and keep everything else. Our routing & failover guide shows how to avoid hard-coding a single model again.

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Frequently asked questions

Is claude opus 4.6 fast still available?

As of July 2026, the model id "anthropic/claude-opus-4.6-fast" is not in the live serving catalog — it has been retired, renamed, or superseded upstream. The successors below are the closest currently-served options on DataLLM Lab.

What should I use instead of claude opus 4.6 fast?

The closest current models are Claude Opus 4.7 (Fast), Claude Opus 4.8 (Fast), Claude Opus 4 — each is linked below with live pricing.

Will my code break?

Calling "anthropic/claude-opus-4.6-fast" directly will error. Through DataLLM Lab, swapping the model string to a current id is the only change needed.