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GPT-5.2 Chat vs Qwen3.8 27B (medium)

GPT-5.2 Chat leads on average score with 7.9 vs 7.8. Qwen3.8 27B (medium) has the lower benchmark cost at ~$0.058 vs $0.594. GPT-5.2 Chat is faster at 7.73s vs 33.05s, with pass rates of 69.7% vs 66.7%.

Last updated at: 2026-09-28

Compared models

Rank
#91
Total Output Tokens
29,742
Response Time (avg)
7.73s
Total Cost
$0.594
Rank
#101
Total Output Tokens
136,162
Response Time (avg)
33.05s
Total Cost
~$0.058
Recommended model Qwen3.8 27B (medium)

Its score stays close to the best score here (7.8 vs 7.9), while costing about 10.4x less than GPT-5.2 Chat.

Detailed comparison

Metric GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11 Qwen3.8 27B Qwen3.8 27B medium Release: 2026-08-14
Score 7.9 7.8
Rank #91 #101
Reliability 10.0 9.6
Consistency 8.6 9.7
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 69.7% 66.7%
Flaky tests 4 1
Total Runs 66 66
Cost per result 4.564 ~0.409
Total Cost $0.594 ~$0.058
Input Price $1.750 / 1M N/A
Output Price $14.000 / 1M N/A
Total Input Tokens 101,104 98,266
Output Tokens 29,742 1,861
Reasoning Tokens 0 134,301
Response Time (avg) 7.73s 33.05s
Response Time (max) 38.52s 214.63s
Response Time (total) 162.40s 694.04s
Parameters ~400B total (~17B active) 27.3B
Availability Closed Weights available

Model generation showcase

Hamster playing table tennis

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

#91 GPT-5.2 Chat

none
Cost
$0.010
Time
15.3s
Tokens
797 tok

#101 Qwen3.8 27B

medium
Cost
~$0.002
Time
43.4s
Tokens
2,956 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
Qwen3.8 27B 10.0 10.0 100.0% 0 40.50s 7,893 585 26,808

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