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OpenCode's free tier can only be used from within OpenCode. Download it at https://opencode.ai and keep building. #55428
Description
I'm experiencing an unexpected error when using OpenCode Desktop on Windows with the Muse Spark model on the free tier.
While the agent was actively working on my project, it suddenly stopped and displayed the following error message:
OpenCode's free tier can only be used from within OpenCode. Download it at https://opencode.ai and keep building.
I was already using OpenCode Desktop when the error occurred. I did not intentionally change my configuration or switch to an external client.
Environment
OS: Windows
Application: OpenCode Desktop
Version: 1.19
Model: Muse Spark
Plan: Free tier
Steps to reproduce
Launch OpenCode Desktop on Windows.
Open an existing project.
Select Muse Spark using the free tier.
Start a task and let the agent work.
Wait for the error to appear.
Expected behavior
The agent should continue working normally within OpenCode Desktop without being rejected by the free-tier access check.
Actual behavior
The agent unexpectedly stops working and displays the error:
OpenCode's free tier can only be used from within OpenCode. Download it at https://opencode.ai and keep building.
This interrupts the current task and prevents the agent from continuing.
Additional information
The error appeared unexpectedly while the agent was working.
I was using the official OpenCode Desktop application.
The issue may be related to free-tier authentication, provider validation, or model access restrictions.
I have not yet confirmed whether this affects other models or application versions.
Could you please investigate whether this is a known issue with Muse Spark and the free-tier access validation in OpenCode Desktop 1.19?
Thank you!
Activity
opencode-agent commentedon Oct 14, 2026
Thanks for the report! I think this is a duplicate of #55426, which you opened a few minutes earlier with the same description. That one is already tracked as the same problem as #50366: the free-tier error appears partway through a session in OpenCode Desktop on Windows.
Possible duplicates and related issues, ordered from most to least likely:
prompttoauto-acceptPlease follow #50366 for updates. The bot will close this issue as a duplicate in 1 day unless you reply explaining how your problem is different.
opencode-agent commentedon Oct 15, 2026
Closing this as a duplicate. It repeats your earlier report #55426, and the problem (the free-tier error appearing partway through a session in OpenCode Desktop on Windows) is tracked in #50366. We waited a day in case it was different, and there's been no reply, so please follow #50366 for updates. For possible workarounds in the meantime, see the comments in #49680 (make sure you're on the latest official release) and #52917.
If your problem turns out to be different, reply here and explain how, and we can reopen. Thanks!