Unable to use opus 4.6 fast mode in CLI

Support Bug Reports
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1

Where does the bug appear (feature/product)?

Cursor CLI

Describe the Bug

Unable to use Opus 4.6 fast mode in CLI

Steps to Reproduce

  • Launch CLI with agent
  • Use /model selector to switch model
  • Multiple options available but fast mode not included

Expected Behavior

Expected: Opus 4.6 fast mode to be available

Screenshots / Screen Recordings

Screenshot 2026-04-23 at 14.32.38.png
Screenshot 2026-04-23 at 14.32.38.png868×486 31.8 KB

Operating System

MacOS

Version Information

About Cursor CLI

CLI Version 2026.04.17-787b533
Model Composer 2 Fast
Subscription Tier Team
OS darwin (arm64)
Terminal zed
Shell zsh
User Email [email protected]

Does this stop you from using Cursor

Sometimes - I can sometimes use Cursor

6

Checking on this!

8

@rohitpaulk You should have access now! Can you check?

9

Yep, can confirm I see it in the CLI now! I still don’t see this when using ACP via Zed but I’ll open another issue with a minimal repro for that. Thanks for the quick fix Colin!

10

Created the ACP bug report here: Opus 4.6 fast mode not accessible via ACP