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OpenAI: GPT-5.5 vs OpenAI: GPT-5.5

Summary

GPT-5.5 vs GPT-5.5 benchmark comparison: GPT-5.5 leads on average score with 9.0 vs 8.8. GPT-5.5 has the lower benchmark cost at $0.907 vs $3.679. GPT-5.5 is faster at 9.76s vs 37.98s, with pass rates of 85.7% vs 87.3%.

Recommended model: GPT-5.5 - It has the best score here (9.0), while costing about 4.1x less than GPT-5.5.

Last updated at: 2026-06-10

Metric GPT-5.5 GPT-5.5 low Release: 2026-04-24 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 9.0 8.8
Rank #6 #9
Reliability 10.0 10.0
Consistency 10.0 8.9
Tests Correct
Attempt pass rate 85.7% 87.3%
Flaky tests 0 3
Total Runs 63 63
Cost per result 5.035 21.638
Total Cost $0.907 $3.679
Input Price $5.000 / 1M $5.000 / 1M
Output Price $30.000 / 1M $30.000 / 1M
Total Input Tokens 34,209 34,212
Output Tokens 2,046 1,985
Reasoning Tokens 22,460 114,925
Response Time (avg) 9.76s 37.98s
Response Time (max) 56.19s 332.10s
Response Time (total) 204.92s 797.60s

Generation showcase

Hamster playing table tennis

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

#6 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 tok

#9 GPT-5.5

medium
Cost
$0.112
Time
71.9s
Tokens
3,807 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-5.5 10.0 10.0 100.0% 0 4.41s 606 238 1,020
GPT-5.5 10.0 10.0 100.0% 0 4.66s 606 250 1,335
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 9.56s 11,019 303 717
GPT-5.5 10.0 10.0 100.0% 0 19.29s 11,019 312 2,841
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.28s 7,140 228 157
GPT-5.5 10.0 10.0 100.0% 0 4.18s 7,140 234 593
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 5.3 10.0 33.3% 0 28.05s 723 69 11,609
GPT-5.5 5.3 7.2 44.4% 1 164.14s 723 67 79,625
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 5.17s 477 133 245
GPT-5.5 10.0 10.0 100.0% 0 4.16s 477 138 223
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 9.9 10.0 100.0% 0 3.74s 660 93 415
GPT-5.5 10.0 10.0 100.0% 0 3.36s 660 93 538
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.74s 642 279 954
GPT-5.5 10.0 10.0 100.0% 0 6.76s 642 241 2,225
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.96s 5,445 250 101
GPT-5.5 10.0 10.0 100.0% 0 10.57s 5,445 258 832
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 3.0 10.0 0.0% 0 10.06s 195 30 840
GPT-5.5 2.8 1.6 33.3% 1 37.86s 195 30 1,754

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