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OpenAI: GPT-5 Nano vs Qwen: Qwen3.5-9B

Last updated at: 2026-04-26

Metric GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07 Qwen3.5-9B Qwen3.5-9B none Release: 2026-03-02
Score 6.3 4.8
Rank #68 #105
Reliability N/A N/A
Consistency 6.5 9.6
Tests Correct
Attempt pass rate 59.3% 24.1%
Flaky tests 8 1
Total Runs 54 54
Cost per result 0.942 0.116
Total Cost $0.066 $0.005
Input Price $0.050 / 1M $0.100 / 1M
Output Price $0.400 / 1M $0.150 / 1M
Output Tokens 4,980 3,951
Reasoning Tokens 156,288 0
Response Time (avg) 44.13s 1.47s
Response Time (max) 204.02s 5.91s
Response Time (total) 485.47s 26.43s

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) Output Tokens Reasoning Tokens
GPT-5 Nano 6.5 7.9 58.3% 1 25.50s 1,221 21,184
Qwen3.5-9B 3.1 9.9 0.0% 0 1.71s 582 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 6.7 3.5 66.7% 1 40.73s 480 12,992
Qwen3.5-9B 5.2 3.4 33.3% 1 5.69s 1,006 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 10.0 10.0 100.0% 0 65.96s 578 17,984
Qwen3.5-9B 3.0 10.0 0.0% 0 5.91s 1,255 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 3.7 1.7 50.0% 2 21.42s 453 10,560
Qwen3.5-9B 10.0 10.0 100.0% 0 847ms 249 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 5.2 4.4 55.6% 2 204.02s 237 64,448
Qwen3.5-9B 3.0 10.0 0.0% 0 464ms 24 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 4.1 10.0 0.0% 0 17.51s 202 4,608
Qwen3.5-9B 4.4 9.9 0.0% 0 552ms 99 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 8.5 6.8 83.3% 1 11.90s 382 4,096
Qwen3.5-9B 6.5 10.0 50.0% 0 514ms 75 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 5.3 7.2 44.4% 1 19.81s 869 13,440
Qwen3.5-9B 3.2 9.9 0.0% 0 683ms 388 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Nano 10.0 10.0 100.0% 0 33.30s 558 6,976
Qwen3.5-9B 10.0 10.0 100.0% 0 1.27s 273 0

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