How many parameters does Claude Opus 4.6 (Fast) have?

Parameter count for Claude Opus 4.6 (Fast) is not available. See the Hugging Face model page for full specifications.

Who created Claude Opus 4.6 (Fast)?

Claude Opus 4.6 (Fast) was published by Anthropic on Hugging Face.

Claude Opus 4.6 (Fast)

Name: Claude Opus 4.6 (Fast)
Author: Anthropic

Multimodalby Anthropic·Model page ↗

Anthropic's fast-serving Claude Opus 4.6 with a 1M-token context for multimodal tasks.

Max output

Most tokens the model can return in a single response.

128Ktokens

Pricing

per 1M tokens

Input$30 /1M

Output$150 /1M

Cache read$3 /1M

Cache write$37.5 /1M

Web search$0.01

Model Description

Fast-mode variant of Opus 4.6 - identical capabilities with higher output speed at premium 6x pricing.

Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

Author

Anthropic

Organization

anthropic

Details

Downloads—

Likes—

AccessClosed Source

Context1M tokens

Input price$30 /1M

Output price$150 /1M

CreatedApr 7, 2026

Updated—

View on Hugging Face

Get the full context.