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Gemini 3 PRO Preview vs OpenAI: GPT-5.5

Summary

Gemini 3 PRO Preview vs GPT-5.5 benchmark comparison: GPT-5.5 leads on average score with 9.3 vs 6.2. Gemini 3 PRO Preview has the lower benchmark cost at $0.385 vs $0.907. Gemini 3 PRO Preview is faster at 9.05s vs 9.76s, with pass rates of 66.7% vs 85.7%.

Recommended model: GPT-5.5 - It has the strongest score in this comparison (9.3) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-06-18

Metric Gemini 3 PRO Preview Gemini 3 PRO Preview medium Release: 2025-11-18 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 6.2 9.3
Rank #91 #4
Reliability N/A 10.0
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 66.7% 85.7%
Flaky tests 0 0
Total Runs 63 63
Cost per result 1.406 5.035
Total Cost $0.385 $0.907
Input Price $9.506 / 1M $5.000 / 1M
Output Price $9.506 / 1M $30.000 / 1M
Total Input Tokens 28,848 34,209
Output Tokens 1,490 2,046
Reasoning Tokens 10,102 22,460
Response Time (avg) 9.05s 9.76s
Response Time (max) 26.24s 56.19s
Response Time (total) 90.53s 204.92s

Generation showcase

Hamster playing table tennis

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

#91 Gemini 3 PRO Preview

medium
No endpoints found for google/gemini-3-pro-preview.
Cost
$0.000
Time
0.1s
Tokens
0 tok

#4 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 14.99s 500 149 1,485
GPT-5.5 10.0 10.0 100.0% 0 4.41s 606 238 1,020
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 0ms 0 0 0
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 10.37s 13,211 351 952
GPT-5.5 10.0 10.0 100.0% 0 9.56s 11,019 303 717
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 10.84s 7,259 279 3,156
GPT-5.5 10.0 10.0 100.0% 0 3.28s 7,140 228 157
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 5.3 10.0 33.3% 0 7.01s 643 15 1,195
GPT-5.5 5.3 10.0 33.3% 0 28.05s 723 69 11,609
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 9.34s 486 78 374
GPT-5.5 10.0 10.0 100.0% 0 5.17s 477 133 245
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 9.8 10.0 100.0% 0 3.26s 623 69 754
GPT-5.5 9.9 10.0 100.0% 0 3.74s 660 93 415
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 3.88s 570 225 1,215
GPT-5.5 10.0 10.0 100.0% 0 4.74s 642 279 954
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 11.96s 5,556 324 971
GPT-5.5 10.0 10.0 100.0% 0 4.96s 5,445 250 101
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 0ms 0 0 0
GPT-5.5 3.0 10.0 0.0% 0 10.06s 195 30 840

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