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GPT-5.2 Chat vs Step 3.7 Flash (medium)

The average score is effectively tied at 7.9 vs 7.9. Step 3.7 Flash (medium) has the lower benchmark cost at $0.495 vs $0.594. GPT-5.2 Chat is faster at 7.73s vs 23.51s, with pass rates of 69.7% vs 68.2%.

Last updated at: 2026-08-15

Rank
#59
Total Output Tokens
29,742
Response Time (avg)
7.73s
Total Cost
$0.594
Rank
#60
Total Output Tokens
409,709
Response Time (avg)
23.51s
Total Cost
$0.495
Recommended model GPT-5.2 Chat

It has the best score here (7.9), while responding about 3.0x faster than Step 3.7 Flash (medium).

Detailed comparison

Metric GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11 Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29
Score 7.9 7.9
Rank #59 #60
Reliability 10.0 10.0
Consistency 8.6 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 69.7% 68.2%
Flaky tests 4 3
Total Runs 66 66
Cost per result 4.564 3.801
Total Cost $0.594 $0.495
Input Price $1.750 / 1M $0.200 / 1M
Output Price $14.000 / 1M $1.150 / 1M
Total Input Tokens 101,104 114,191
Output Tokens 29,742 409,709
Reasoning Tokens 0 0
Response Time (avg) 7.73s 23.51s
Response Time (max) 38.52s 152.83s
Response Time (total) 162.40s 517.21s
Parameters ~400B total (~17B active) 198B total (11B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#59 GPT-5.2 Chat

none
Cost
$0.010
Time
15.3s
Tokens
797 tok

#60 Step 3.7 Flash

medium
Cost
$0.006
Time
46.2s
Tokens
4,466 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.2 Chat 8.8 7.8 88.9% 1 9.82s 7,305 6,731 0
Step 3.7 Flash 8.8 7.8 88.9% 1 27.42s 7,437 44,797 0

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