StepFun models

All StepFun models on Aether API: chat, image, audio, and embeddings behind one OpenAI-compatible key, with per-token pricing and at least 30% below StepFun's own list price.

StepFun models for chat, in the same catalogue and under the same key.

Every StepFun model on Aether API

ModelContextPrice
Step 3.7 Flash Free262KFree

How StepFun models work on Aether API

Related

Compare the whole catalogue on the models page, see the credit packages, or read the quickstart.

Other providers: OpenAI · Anthropic · Google · xAI · DeepSeek · Alibaba · Perplexity · Mistral · Z.AI · Moonshot · Minimax · Black Forest Labs · Xiaomi · Runware · Together

Aether API — OpenAI-compatible access to 13+ providers through one API key.