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Make opencode prefer claude subscription over tokens #4291
Description
Question
I have a claude pro subscription and an api key. I would like to have opencode use the subscription until it hits the usage limit and then switch to token usage. I thought that was the default, but that seems to not be the case. What am I missing? Unfortunately, the auth documentation seems to only cover the login flow. What am I missing?
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github-actions commentedon Nov 13, 2025
This issue might be a duplicate of existing issues. Please check:
Feel free to ignore if none of these address your specific case.
conradkoh commentedon Nov 13, 2025
@igordertigor did you try using the /models command and choose the model
anthropic/claude-sonnet-4.5? you can also try seeing whether the provider was added by using theopencode modelscommand I think!igordertigor commentedon Nov 13, 2025
Thank you @conradkoh , the issue is that I have both, a claude pro subscription and an API key. So both are anthropic models. It seems that it prefers the API key over the subscription while the subscription and I would like to prefer the subscription and use the tokens as a fallback.
rekram1-node commentedon Nov 13, 2025
Hmm we dont do that fallback behavior for auth but we prolly should allow for that
I think the ai sdk for anthropic prioritizes the env vars over the creds passed to it
grenaad commentedon Nov 14, 2025
@conradkoh I managed to work around this problem by using the OpenCode Zen provider. They have Bring Your Own Key, so I used my API key with them and then use my subscription with the Anthropic provider. You can just switch between them with
/models.Right now I have two subscriptions: One for work and one for my own private use.
I saw the docs on Zen that
Subscription plans and a free tier are coming soon., then I can use this method again.rekram1-node commentedon Nov 15, 2025
Oh that's not a bad solution, I should've suggested that
igordertigor commentedon Nov 20, 2025
@grenaad , that's a decent workaround but only if you are free to pick the source of tokens. Once you have a bunch of anthropic tokens, going with a different provider isn't really a good option.
I would also argue that it's still a workaround: Once my subscription reaches a limit, I need to manually switch the model rather than automatically falling back to pay as you go.