What they do
StepFun AI Step Plan provides coding-agent-oriented access to StepFun models through an OpenAI-compatible API.
$10 off the fastest Kimi K3 and GLM 5.2 from Synthetic
Provider details
StepFun (Global)
Learn more about this provider, then browse the models currently listed under it.
stepfun-aistepfun-ai
Latest news about StepFun (Global)
About StepFun (Global)
How they were founded
Step Plan is part of StepFun, which was founded on April 6, 2023 by Jiang Daxin, Zhu Yibo, and Jiao Binxing to build multimodal and generative AI models.
Quick Info
- Organization
- StepFun
- Headquarters
- Shanghai, China
- SDK package
- @ai-sdk/openai-compatible
- Synced at
- Jul 13, 2026
Models served
8 models available through StepFun (Global)
These model results are sorted newest first so you can quickly see the latest options from this provider.
StepFun (Global)
Step 3.7 Flash
step-3.7-flashStepFun (Global)Released May 29, 2026256,000 token context windowIn $0.185 · Out $1.11
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StepFun (Global)
Step 3.5 Flash 2603
step-3.5-flash-2603StepFun (Global)Released Apr 2, 2026256,000 token context windowIn $0.10 · Out $0.30
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StepFun (Global)step
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StepFun (Global)
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StepFun (Global)
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StepFun (Global)
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