first-partycommon.labs_models

StepFun Step Plan (China)

3 published models are listed on StepFun Step Plan (China). Prices shown are this provider's own listings and may differ from first-party.

stepfun-step-plan/docs ↗STEPFUN_API_KEY@ai-sdk/openai-compatible

Models

Labs

Free tier

Changes 30d

01Catalog

All 3 models on StepFun Step Plan (China)

Filter by lab. Click a row for the model's full profile.

Model	Lab	Input	Output	Context	Flags
Step 3.5 Flash step-3.5-flash	StepFun	Not listed	Not listed	256,000	reasoningopen weights
Step 3.5 Flash 2603 step-3.5-flash-2603	StepFun	Not listed	Not listed	256,000	reasoningopen weights
Step 3.7 Flash step-3.7-flash	StepFun	Not listed	Not listed	256,000	reasoningopen weights

02Activity

2026-06-15ContextStep 3.5 FlashContext window 256,000 → new

2026-06-15ContextStep 3.5 FlashMax output 256,000 → new

2026-06-15ContextStep 3.5 Flash 2603Context window 256,000 → new

2026-06-15ContextStep 3.5 Flash 2603Max output 256,000 → new

2026-06-15ContextStep 3.7 FlashContext window 256,000 → new

2026-06-15ContextStep 3.7 FlashMax output 256,000 → new

2026-05-30AddedStep 3.5 Flashoffering → new

2026-05-30AddedStep 3.5 Flash 2603offering → new

2026-05-30AddedStep 3.7 Flashoffering → new

2026-05-30AddedStep Router v1offering → new