Step-2
Released
2024-09-01
Last refreshed
2026-06-29
Status
Researched 112d ago
ProprietaryCommercial use: conditionalMultimodalRAGAgentsLong contextVisionJSON / Tool use
Step-2 is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 256k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Workloads where another current model has stronger sourced task evidence
Specifications
- Family
- Step
- Released
- 2024-09-01
- Context
- 256k
- Parameters
- 1T (MoE)*
- Architecture
- Mixture of Experts
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Pretrained
Pricing
Output / 1M
-
Input / 1M
-
Cheapest of 1 route · StepFun
Links
About
Step-2 is StepFun's Step model with multimodal text and image input. It offers a 256K-token context window.
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| StepFun | - | - | ServerlessPartial |
Capabilities
VisionMultimodalJSON / Tool use
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Pricing
Output / 1M
-
Input / 1M
-
Cheapest of 1 route · StepFun
Links