feat(stepfun-ai): add international StepFun platform#1814
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StepFun runs two separate platforms with distinct accounts/keys: platform.stepfun.com (China, already covered by providers/stepfun) and platform.stepfun.ai (international). Keys are not interchangeable across the two — .ai keys are rejected by api.stepfun.com as invalid_api_key. Stepfun's own opencode integration guide instructs users to point at https://api.stepfun.ai/step_plan/v1. This adds providers/stepfun-ai for that endpoint, symlinking the shared chat models. Follows the moonshotai / moonshotai-cn pattern.
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are we certain they are different? I only see 1 plan in those docs |
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hey, thanks for taking a look. they are two different platforms, not two plans. step plan is just one subscription, but it only exists on the .ai side. stepfun's own opencode docs confirm the split : https://platform.stepfun.ai/docs/en/step-plan/integrations/open-code
so a key from platform.stepfun.ai cannot authenticate against api.stepfun.com, and that is what this PR is trying to address. let me know if you want me to change anything |
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May 29, 2026
…#5) models.dev added a second provider named "StepFun": anomalyco/models.dev#1814 We could consider suggesting upstream that they disambiguate the names but this PR will fix us.
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StepFun runs two platforms with separate accounts:
platform.stepfun.com(already covered byproviders/stepfun) andplatform.stepfun.ai. Keys are not interchangeable —.aikeys get rejected byapi.stepfun.comasinvalid_api_key.Stepfun's Open Code integration guide tells users to point opencode at
https://api.stepfun.ai/step_plan/v1. This addsproviders/stepfun-aifor that endpoint and symlinks the shared chat models. Same shape asmoonshotai-cn.Verification
With a live
.aikey:End-to-end against opencode with
provider.stepfun.options.baseURL = "https://api.stepfun.ai/step_plan/v1":