Navigate
AI BENCHY
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com

AI BENCHY Compare

OpenAI: GPT-5.5 vs StepFun: Step 3.7 Flash

Summary

GPT-5.5 vs Step 3.7 Flash benchmark comparison: GPT-5.5 leads on average score with 8.8 vs 7.3. Step 3.7 Flash has the lower benchmark cost at $0.341 vs $3.679. Step 3.7 Flash is faster at 15.74s vs 37.98s, with pass rates of 87.3% vs 68.3%.

Recommended model: Step 3.7 Flash - It offers the best overall trade-off: a competitive score (7.3), lower cost than GPT-5.5, and balanced response time.

Last updated at: 2026-06-04

Metric GPT-5.5 GPT-5.5 medium Release: 2026-04-24 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 8.8 7.3
Rank #9 #57
Reliability 10.0 10.0
Consistency 8.9 8.4
Tests Correct
Attempt pass rate 87.3% 68.3%
Flaky tests 3 4
Total Runs 63 63
Cost per result 21.638 2.840
Total Cost $3.679 $0.341
Input Price $5.000 / 1M $0.200 / 1M
Output Price $30.000 / 1M $1.150 / 1M
Total Input Tokens 34,212 40,101
Output Tokens 1,985 289,325
Reasoning Tokens 114,925 0
Response Time (avg) 37.98s 15.74s
Response Time (max) 332.10s 124.75s
Response Time (total) 797.60s 330.63s

Generation showcase

Hamster playing table tennis

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

#9 GPT-5.5

medium
Cost
$0.112
Time
71.9s
Tokens
3,807 tok

#57 Step 3.7 Flash

low
Invalid SVG
Cost
$0.004
Time
25.3s
Tokens
3,072 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.66s 606 250 1,335
Step 3.7 Flash 8.7 7.9 91.7% 1 4.02s 756 10,896 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959
Step 3.7 Flash 8.2 7.2 88.9% 1 9.46s 7,437 18,685 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 19.29s 11,019 312 2,841
Step 3.7 Flash 10.0 10.0 100.0% 0 7.98s 13,683 6,426 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.18s 7,140 234 593
Step 3.7 Flash 7.3 5.8 83.3% 1 2.29s 7,398 2,667 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 5.3 7.2 44.4% 1 164.14s 723 67 79,625
Step 3.7 Flash 5.3 7.2 44.4% 1 43.31s 828 104,487 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.16s 477 138 223
Step 3.7 Flash 3.4 9.3 0.0% 0 7.00s 525 4,604 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.36s 660 93 538
Step 3.7 Flash 9.8 10.0 100.0% 0 1.58s 735 1,857 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 6.76s 642 241 2,225
Step 3.7 Flash 5.5 9.9 33.3% 0 1.84s 756 3,564 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 10.57s 5,445 258 832
Step 3.7 Flash 10.0 10.0 100.0% 0 3.25s 7,746 1,360 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 2.8 1.6 33.3% 1 37.86s 195 30 1,754
Step 3.7 Flash 3.0 10.0 0.0% 0 124.75s 237 134,779 0

Quick Compare

Switch Comparison Pair