- Score
- 8.6 (+0.77 points)
- Total Cost (Current Price)
- $0.061 · 89.4% cheaper
- Response Time (avg)
- 7.51s · 71.7% faster
Stepfun
Release: 2026-05-29
Tested on: 2026-10-01 02:06
stepfun/step-3.7-flash::medium
198B total (11B active)MoEOpen source
Summary
Step 3.7 Flash scores 7.8 on AI BENCHY and ranks #120. It has 10.0 reliability, a 68.1% pass rate, $0.571 total cost, and 26.57s average response time.
What makes Step 3.7 Flash unique: It stands out most in Coding, where it ranks #4, while Puzzle Solving is its weakest area at #16.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 8.3 (+0.45 points)
- Total Cost (Current Price)
- $0.047 · 91.8% cheaper
- Response Time (avg)
- 18.07s · 32.0% faster
- Score
- 9.4 (+1.55 points)
- Total Cost (Current Price)
- $0.183 · 68.1% cheaper
- Response Time (avg)
- 6.24s · 76.5% 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.
7.8
Consistency
8.7
10.0
$0.571
Total Output Tokens
440,835
Total Input Tokens
319,524
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.
#120 Step 3.7 Flash
medium- Cost
- $0.006
- Time
- 46.2s
- Tokens
- 4,466 tok
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-10-01 02:06 Re-test | 7.8 | 10.0 | $0.571 | Current run | |
| 2026-07-16 22:50 New test added | 8.0 | 9.9 | $0.515 | Compare | |
| 2026-06-04 13:52 New test added | 8.0 | 9.9 | $0.376 | Compare | |
| 2026-05-29 11:49 Initial run | 7.9 | 9.9 | $0.404 | 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
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 7.4 | 3.8 | |
| Anti-AI Tricks | 8.7 | 7.9 | |
| Coding | 8.8 | 7.8 | |
| Combined | 7.3 | 5.8 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 4.0 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 5.7 | 9.9 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |