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GPT-5 Nano (medium) vs Hy4 (high)

Hy4 (high) leads on average score with 5.8 vs 5.7. GPT-5 Nano (medium) has the lower benchmark cost at $0.159 vs $3.055. GPT-5 Nano (medium) is faster at 56.55s vs 219.63s, with pass rates of 53.6% vs 56.5%.

Last updated at: 2026-11-10

Compared models

Rank
#333
Total Output Tokens
307,921
Response Time (avg)
56.55s
Total Cost
$0.159
Rank
#327
Total Output Tokens
2,328,895
Response Time (avg)
219.63s
Total Cost
$3.055
Recommended model GPT-5 Nano (medium)

Its score stays close to the best score here (5.7 vs 5.8), while costing about 19.3x less than Hy4 (high).

Detailed comparison

Metric GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07 Hy4 Hy4 high Release: 2026-11-04
Score 5.7 5.8
Rank #333 #327
Reliability 10.0 9.7
Consistency 6.5 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 53.6% 56.5%
Flaky tests 10 5
Total Runs 69 69
Cost per result 1.737 30.547
Total Cost $0.159 $3.055
Input Price $0.050 / 1M $0.417 / 1M
Output Price $0.400 / 1M $1.251 / 1M
Cache Read Price $0.005 / 1M $0.021 / 1M
Cache Write Price N/A N/A
Total Input Tokens 314,436 341,340
Output Tokens 13,578 5,382
Reasoning Tokens 294,343 2,323,513
Response Time (avg) 56.55s 219.63s
Response Time (max) 227.89s 540.04s
Response Time (total) 961.32s 5051.38s
Parameters ~120B total (~5B active) ~770B total (~49B active)
Availability Closed Closed

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.

#333 GPT-5 Nano

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

#327 Hy4

high
Cost
$0.030
Time
162.4s
Tokens
23,596 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 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152
Hy4 7.5 10.0 66.7% 0 237.29s 7,527 30 316,572

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