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

Summary

GPT-5 Nano vs Qwen3.5-9B benchmark comparison: GPT-5 Nano leads on average score with 6.3 vs 4.6. Qwen3.5-9B has the lower benchmark cost at $0.006 vs $0.081. Qwen3.5-9B is faster at 1.89s vs 42.51s, with pass rates of 57.1% vs 20.6%.

Recommended model: Qwen3.5-9B - It offers the best overall trade-off: a competitive score (4.6), lower cost than GPT-5 Nano, and balanced response time.

Last updated at: 2026-06-10

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 4.6
Rank #95 #155
Reliability 10.0 10.0
Consistency 7.3 9.7
Tests Correct
Attempt pass rate 57.1% 20.6%
Flaky tests 7 1
Total Runs 63 63
Cost per result 0.897 0.123
Total Cost $0.081 $0.006
Input Price $0.050 / 1M $0.100 / 1M
Output Price $0.400 / 1M $0.150 / 1M
Total Input Tokens 34,108 48,041
Output Tokens 5,464 3,952
Reasoning Tokens 192,064 0
Response Time (avg) 42.51s 1.89s
Response Time (max) 204.02s 6.03s
Response Time (total) 595.09s 39.68s

Generation showcase

Hamster playing table tennis

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

#95 GPT-5 Nano

medium
Cost
$0.006
Time
108.5s
Tokens
13,209 tok

#155 Qwen3.5-9B

none
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 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 Nano 6.5 7.9 58.3% 1 25.50s 606 1,221 21,184
Qwen3.5-9B 3.1 9.9 0.0% 0 1.71s 696 582 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152
Qwen3.5-9B 3.9 7.8 11.1% 1 5.60s 7,913 1,042 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 10.0 10.0 100.0% 0 65.96s 11,019 578 17,984
Qwen3.5-9B 3.0 10.0 0.0% 0 5.91s 20,397 1,255 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 Nano 3.7 1.7 50.0% 2 21.42s 7,140 453 10,560
Qwen3.5-9B 10.0 10.0 100.0% 0 847ms 7,788 249 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 5.2 4.4 55.6% 2 204.02s 619 237 64,448
Qwen3.5-9B 3.0 10.0 0.0% 0 464ms 789 24 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 4.1 10.0 0.0% 0 17.51s 477 202 4,608
Qwen3.5-9B 4.4 9.9 0.0% 0 552ms 522 99 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 9.8 10.0 100.0% 0 15.64s 660 312 4,736
Qwen3.5-9B 6.5 10.0 50.0% 0 514ms 711 75 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 5.3 7.2 44.4% 1 20.63s 642 929 14,272
Qwen3.5-9B 3.2 10.0 0.0% 0 621ms 714 347 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 10.0 10.0 100.0% 0 33.30s 5,445 558 6,976
Qwen3.5-9B 10.0 10.0 100.0% 0 1.27s 8,301 273 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5 Nano 3.0 10.0 0.0% 0 20.13s 195 234 6,144
Qwen3.5-9B 3.0 10.0 0.0% 0 2.32s 210 6 0

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