Step 5 Preview (OpenRouter)
| Maker | StepFun |
|---|---|
| Released | 2026-09-20 |
| Context | 1M |
| Max output | 64K |
| Open weights | StepFun Model License 1.0 |
|---|---|
| Modalities | text, image, video → text |
| Input / 1M | $1.00 |
| Output / 1M | $2.70 |
| Review call | $0.0327 |
|---|---|
| Reasoning efforts | low, medium, high |
| Hosts | OpenRouter |
| Model id | stepfun/step-5-preview |
CodePanel's benchmark has not run Step 5 Preview (OpenRouter) as a pull-request reviewer yet, so this page has no recall, false-alarm or measured-cost figures for it. The methodology explains how ranked models are scored.
No StepFun model is in the run yet. The ranked model closest to it in list price is Kimi K2.7 Code (Workers AI) from Moonshot, which caught 38% [28%–47%] of the known bugs at rank 11 of 17, with a measured review cost of $0.0567. At list price, a typical review call (26.2K tokens in and 2.4K out) costs $0.0327 on Step 5 Preview (OpenRouter) and $0.0346 on Kimi K2.7 Code (Workers AI), so this model's call is 5% less than that one's.
| Host | Model id | Input / 1M | Output / 1M |
|---|---|---|---|
| OpenRouter | stepfun/step-5-preview | $1.00 | $2.70 |
Source: models.dev's OpenRouter listing, Oct 23, 2026
| Model | Maker | Input / 1M | Output / 1M | Review call | Context |
|---|---|---|---|---|---|
| GLM-5 | Z.ai | $1.00 | $3.20 | $0.0339 | 204.8K |
| Grok Build 0.1 | xAI | $1.00 | $2.00 | $0.031 | 256K |
| Kimi K2.6 | Moonshot | $0.95 | $4.00 | $0.0346 | 262.1K |
| Qwen3.8 27B (Groq) | Groq | $0.80 | $4.00 | $0.0306 | 131.1K |
Updated Oct 23, 2026