StepFun AI

[PROVIDER]
id: stepfun-ai
npm: @ai-sdk/openai-compatible
env: STEPFUN_API_KEY
api: https://api.stepfun.ai/step_plan/v1

Models

Step 3.5 Flash

step-3.5-flash
in $0.10/M
out $0.30/M
cache read $0.02/M
ctx: 256,000 max out: 256,000 in: text out: text
reasoning tools vision structured temp open weights

Step 3.5 Flash 2603

step-3.5-flash-2603
in $0.10/M
out $0.30/M
cache read $0.02/M
ctx: 256,000 max out: 256,000 in: text out: text
reasoning tools vision structured temp open weights