#27 Step 3.7 Flash
medium- Cost
- $0.006
- Time
- 46.2s
- Tokens
- 4,466 tok
Stepfun
Release: 2026-05-29
Tested on: 2026-07-16 22:50
stepfun/step-3.7-flash::medium
198B total (11B active)MoEOpen source
Summary
Step 3.7 Flash scores 8.0 on AI BENCHY and ranks #27. It has 9.9 reliability, a 72.7% pass rate, $0.515 total cost, and 26.37s average response time.
What makes Step 3.7 Flash unique: It stands out most in Domain specific, where it ranks #1, while General Intelligence is its weakest area at #18.
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.
8.0
Consistency
8.9
9.9
$0.515
Total Output Tokens
427,572
Total Input Tokens
114,062
Input Price
$0.200 / 1M
Output Price
$1.150 / 1M
Flaky tests
3
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.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-14 02:31 Re-test | 7.9 | 10.0 | $0.495 | Compare | |
| 2026-07-16 22:50 New test added | 8.0 | 9.9 | $0.515 | Current run | |
| 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.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-16 22:50 · New test added | 64/66 attempts | 8.0 | 8.9 | 9.9 | 14/22 | 3 | 427,572 | 114,062 | $0.515 | 26.37s |
| 2026-08-14 02:31 · Re-test | 66/66 attempts | 7.9 | 8.9 | 10.0 | 13/22 | 3 | 409,709 | 114,191 | $0.495 | 23.51s |
| Difference | — | +0.1 | 0.0 | -0.1 | +1 | 0 | +17863 | -129 | +$0.021 | +2865ms |
Benchmark coverage differs: 64/66 attempts (Target: 3 repeats per test) versus 66/66 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-06-04 15:40 | $0.200 / 1M | $1.150 / 1M |
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 |
|---|---|---|---|
| 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 | 7.7 | 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 |