Step 3.7 Flash
StepFun · 196B total / 11B active (MoE) + 1.8B ViT
A low-cost tier for high-volume multimodal work
An August 2026 196B-A11B multimodal tier with a 1.8B ViT, open weights, 256K context and ¥2/1M output tokens. Perception 92, documents 92 and agents 91 give a composite of 89.2; generation 78 and ecosystem 84 keep it out of A+.
Last updated Oct 21, 2026Editorial scoring
Bottom line
Eight-dimension breakdown
editorial mapping · 0–100- Step 3.7 Flash89.2
Weights: perception 20 / documents 18 / charts 14 / video 14 / agents 14 / generation 6 / Chinese 6 / ecosystem 8. Definitions and sources on the methodology page.
Public benchmarks
as reported, not converted| Benchmark / metric | Value | Note |
|---|---|---|
| 参数规模 | 196B-A11B | Plus a 1.8B ViT |
| 上下文 | 256K | Official spec |
| 输出价格 | ¥2 | Per 1M tokens |
Public scores come from different versions and prompts and are not interchangeable with our composite; they are one evidence input.
Scenario mapping
five stress tests, one scale| Scenario | Score | Observation |
|---|---|---|
| Chinese receipt OCR | 92 · Stable on clean receipts | |
| Chart data extraction | 89 · Reliable on standard charts | |
| 30-min video QA | 88 · Above-average event localization | |
| Mobile GUI control | 90 · Well-formed tool calls | |
| Chinese cultural context | 88 · Good official register; average on memes |
Strengths and limitations
Strengths
- ¥2/1M output tokens at 196B-A11B: a cost-friendly tier for high-volume documents and agents.
- Documents 92, agents 91 and 256K context are a rare combination at this price.
- Open weights let it pair with Step 5 Preview in a triage-plus-review relay.
Limitations
- Generation 78: no creative generation or complex image editing.
- Ecosystem 84: SDK and hosted-service maturity trail Qwen and Zhipu.
- The StepFun community licence is not OSI open source; commercial terms need review.
Price and real cost
List price
¥2/M tokens
≈ ¥2 / 1M output tokens; weights free. For 1,000 images at 1,024px, ~1,100 image tokens each and 300 output tokens, the monthly cost is about ¥1.2 (assuming input at 25% of output price).
Use your volumeAbout Step 3.7 Flash
Is Step 3.7 Flash open source?
Licence: Open weights (StepFun community licence). Weights are available, but check the exact terms and filing requirements before commercial use.
How much does Step 3.7 Flash cost?
≈ ¥2 / 1M output tokens; weights free. It ranks #16 with a composite of 89.2. Real bills depend on resolution, tiling, caching and volume discounts.
What is Step 3.7 Flash best for?
High-volume receipt and document batches; Cost-sensitive agent orchestration; Video content triage。
Why does Step 3.7 Flash score 89.2?
The composite weights eight dimensions: perception 20%, documents 18%, charts 14%, video 14%, agents 14%, generation 6%, Chinese 6%, ecosystem 8%. Its strongest dimension is Visual perception & grounding; its weakest is Generation & editing.
Personal ranking · Not an official score
Every ranking, score and comparison on this page is an independent personal ranking, not an official score, and represents no vendor, institution or regulator. Scores are a subjective mapping of public evidence under our own weights — change the weights and the order changes. Disagree, or spotted a factual error? Contact the site owner: jizhi2024@foxmail.com — we check each report and log corrections in the changelog.