- Score
- 8.6 (+2.02 points)
- Total Cost (Current Price)
- $0.061 · 95.9% cheaper
- Response Time (avg)
- 7.51s · 89.7% faster
Stepfun
Release: 2026-05-29
Tested on: 2026-10-01 02:09
stepfun/step-3.7-flash::high
198B total (11B active)MoEOpen source
Summary
Step 3.7 Flash scores 6.6 on AI BENCHY and ranks #203. It has 10.0 reliability, a 58.0% pass rate, $1.478 total cost, and 72.72s average response time.
What makes Step 3.7 Flash unique: It stands out most in Combined, where it ranks #2, while Puzzle Solving is its weakest area at #16.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 9.4 (+2.80 points)
- Total Cost (Current Price)
- $0.183 · 87.7% cheaper
- Response Time (avg)
- 6.24s · 91.4% faster
- Score
- 8.3 (+1.70 points)
- Total Cost (Current Price)
- $0.047 · 96.8% cheaper
- Response Time (avg)
- 18.07s · 75.2% faster
Model facts
Researched on 2026-08-12
- Parameters
- 198B total (11B active)
- Architecture
- MoE
- Availability
- Open source
- License
- Apache-2.0
Includes the vendor-reported vision component in the total.
6.6
Consistency
8.5
10.0
Total Output Tokens
1,100,052
Total Input Tokens
421,200
Input Price
$0.200 / 1M
Output Price
$1.150 / 1M
Cache Read Price
$0.040 / 1M
Cache Write Price
N/A
Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.
Flaky tests
4
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#203 Step 3.7 Flash
high- Cost
- $0.007
- Time
- 63.6s
- Tokens
- 6,030 tok
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-10-01 02:09 Re-test | 6.6 | 10.0 | $1.478 ↑ | Current run | |
| 2026-07-16 22:46 New test added | 6.9 | 10.0 | $1.207 | Compare | |
| 2026-06-04 14:10 New test added | 7.0 | 10.0 | $1.148 | Compare | |
| 2026-05-29 11:53 Initial run | 7.1 | 9.9 | $0.960 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-08-14 12:51 | $0.200 / 1M | $1.150 / 1M | N/A | N/A |
| 2026-10-01 18:33 | $0.200 / 1M | $1.150 / 1M | $0.040 / 1M | N/A |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
Step 3.7 FlashhighvsMercury 2mediumStep 3.7 FlashhighvsKAT-Coder-Pro V2.5lowStep 3.7 FlashhighvsLongCat 2.0lowStep 3.7 FlashhighvsClaude Sonnet 5.5mediumStep 3.7 FlashhighvsQwen3.7 FlashmediumStep 3.7 FlashhighvsQwen3.6 35B A3BmediumStep 3.7 FlashhighvsGLM 5.2noneStep 3.7 FlashhighvsMercury 2.5 PreviewhighStep 3.7 FlashhighvsGPT-5.5noneStep 3.7 FlashhighvsMercury 2.5high
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 5.4 | 9.6 | |
| Anti-AI Tricks | 10.0 | 10.0 | |
| Coding | 4.0 | 6.0 | |
| Combined | 8.7 | 6.9 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 3.6 | 7.2 | |
| General Intelligence | 5.5 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 5.3 | 7.2 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |