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GPT-5.2 Chat vs Qwen3.8 Flash Next (xhigh)

Qwen3.8 Flash Next (xhigh) leads on average score with 7.1 vs 7.0. Qwen3.8 Flash Next (xhigh) has the lower benchmark cost at ~$0.195 vs $0.594. GPT-5.2 Chat is faster at 7.43s vs 102.66s, with pass rates of 66.7% vs 72.5%.

Last updated at: 2026-10-05

Compared models

Rank
#158
Total Output Tokens
29,742
Response Time (avg)
7.43s
Total Cost
$0.594
Rank
#154
Total Output Tokens
621,056
Response Time (avg)
102.66s
Total Cost
~$0.195
Recommended model GPT-5.2 Chat

Its score stays close to the best score here (7.0 vs 7.1), while responding about 13.8x faster than Qwen3.8 Flash Next (xhigh).

Detailed comparison

Metric GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11 Qwen3.8 Flash Next Qwen3.8 Flash Next xhigh Release: 2026-10-04
Score 7.0 7.1
Rank #158 #154
Reliability 10.0 9.9
Consistency 8.7 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 72.5%
Flaky tests 4 6
Total Runs 69 69
Cost per result 4.564 ~1.390
Total Cost $0.594 ~$0.195
Input Price $1.750 / 1M N/A
Output Price $14.000 / 1M N/A
Cache Read Price $0.175 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 101,104 301,749
Output Tokens 29,742 1,033
Reasoning Tokens 0 620,023
Response Time (avg) 7.43s 102.66s
Response Time (max) 38.52s 674.08s
Response Time (total) 163.35s 2361.10s
Parameters ~400B total (~17B active) 180B total (6B active)
Availability Closed Weights available

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#158 GPT-5.2 Chat

none
Cost
$0.010
Time
15.3s
Tokens
797 tok

#154 Qwen3.8 Flash Next

xhigh
Cost
~$0.010
Time
333.1s
Tokens
30,654 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 Flash Next 7.4 7.0 77.8% 1 192.20s 8,235 122 186,070

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