Step-1

Released
2024-04-01
Last refreshed
2026-06-29
Status
Researched 161d ago
ProprietaryCommercial use: restrictedLong context
StepFun releases · 6 in the last 12 months · this family litChangelog →
Specifications
Family
Step
Released
2024-04-01
Context
128K
Architecture
Decoder Only
Specialization
general
Openness
Proprietary
License
ProprietaryRestricted
Weights
Not released
Code
Unknown
Training
Pretrained
Created by
StepFun

One of China's leading AI 'Six Tigers'.

Shanghai, China
Founded 2023
Website
Pricing

No tracked provider pricing is available yet.

Providers(1)
StepFun
Links
Website

About

Step-1 is StepFun's Step model. It offers a 128K-token context window.

Providers(1)

Compare API pricing across 1 tracked provider route for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
StepFun--
ServerlessPartial

Capabilities

No model capability flags are currently sourced.

Benchmark peer barsfor Long context

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.