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#34

Step 3.5 Flash

Stepfun Release: 2026-02-01 Tested on: 2026-04-11 00:35 stepfun/step-3.5-flash::medium
(medium) (none)

Summary

Step 3.5 Flash scores 7.9 on AI BENCHY and ranks #34. It has N/A reliability, a 70.6% pass rate, $0.000 total cost, and 26.78s average response time.

What makes Step 3.5 Flash unique: It stands out most in Combined, where it ranks #1, while Puzzle Solving is its weakest area at #18. Its total benchmark cost is unusually low for its score range.

Score

7.9

Consistency

9.1

Reliability

N/A

Total Cost (Current Price)

$0.000

Total Output Tokens

227,511

Total Input Tokens

0

Input Price

$0.100 / 1M

Output Price

$0.300 / 1M

Tests Correct

Wrong Tests: 6

Attempt pass rate: 70.6%

Flaky tests

2

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

Response Time (avg)

26.78s

Response Time (max): 170.45s

Response Time (total): 294.58s

Did not follow instructions: 3 Wrong answer: 3

Hamster playing table tennis

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

#34 Step 3.5 Flash

medium
Cost
$0.008
Time
277.1s
Tokens
23,695 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-07-16 23:25 New test added 6.0 9.2 $0.108 ↑ Compare
2026-06-04 14:12 New test added 7.2 8.9 $0.070 ↑ Compare
2026-05-22 00:30 Suite changed 7.4 9.3 $0.015 Compare
2026-05-08 15:30 Suite changed 7.6 10.0 $0.011 Compare
2026-04-11 00:35 First recorded run 7.9 N/A $0.000 Current run

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

Step 3.5 FlashmediumvsInklinglowStep 3.5 FlashmediumvsQwen3.5-FlashnoneStep 3.5 FlashmediumvsGemini 3.1 Flash LitenoneStep 3.5 FlashmediumvsQwen3.5 Plus 2026-04-20noneStep 3.5 Flashmediumvsgpt-oss-120bmediumStep 3.5 FlashmediumvsQwen3.5-35B-A3BnoneStep 3.5 FlashmediumvsGemini 3 Flash PreviewmediumStep 3.5 FlashmediumvsGemini 3.5 FlashhighStep 3.5 FlashmediumvsNemotron 3 UltramediumFree AvailableStep 3.5 FlashmediumvsGPT-5.5low

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 10.0 10.0
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.3 7.2
General Intelligence 5.5 10.0
Instructions following 8.5 6.8
Puzzle Solving 5.3 10.0
Tool Calling 10.0 10.0

Compared models