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#23

Step 3.7 Flash

Stepfun Release: 2026-05-29 Tested on: 2026-06-04 13:52 stepfun/step-3.7-flash::medium
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Summary

Step 3.7 Flash scores 8.5 on AI BENCHY and ranks #23. It has 9.9 reliability, a 73.0% pass rate, $0.376 total cost, and 20.35s 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 #14.

Score

8.5

Consistency

9.3

Reliability

9.9

Total Cost (Current Price)

$0.376

Total Output Tokens

319,958

Total Input Tokens

39,981

Input Price

$0.200 / 1M

Output Price

$1.150 / 1M

Tests Correct

Wrong Tests: 7

Attempt pass rate: 73.0%

Flaky tests

2

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

20.35s

Response Time (max): 113.98s

Response Time (total): 427.42s

Wrong answer: 5 Did not follow instructions: 1 No answer: 1

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#23 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
2026-06-04 13:52 New test added 8.0 9.9 $0.376 Current run
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
2026-06-04 15:40 $0.200 / 1M $1.150 / 1M

Charts

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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 10.0 10.0
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

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