Step 5 Preview
Step 5 Preview is StepFun's language model. A large language model from StepFun designed for general-purpose reasoning and conversational tasks.
| Benchmarks | |
|---|---|
| Intelligence Index | #14 |
| HLE | #13 |
| Time to First Token | #544 |
| SciCode | #7 |
| LCR | #2 |
| Output TPS | #145 |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Step 5 Preview | 1.0M | $1.00 | $2.70 | Available | |
| Step 5 Preview | — | — | — | — | Current |
| Step 3.7 Flash | 262K | $0.200 | $1.15 | Available | |
| Step 3 VL 10B | — | — | — | — | Available |
| Step Image Edit 2 | — | — | — | — | Available |
| Step 1X Edit 1.2 | — | — | — | — | Available |
| Step 1X Edit | — | — | — | — | Available |