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Google: Gemini 3 Flash Preview vs OpenAI: GPT-5.6 Sol

Summary

Gemini 3 Flash Preview (medium) vs GPT-5.6 Sol benchmark comparison: Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 6.3. GPT-5.6 Sol has the lower benchmark cost at $0.225 vs $0.667. GPT-5.6 Sol is faster at 1.66s vs 18.64s, with pass rates of 98.4% vs 57.1%.

Recommended model: Gemini 3 Flash Preview (medium) - It has the strongest score in this comparison (9.6) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-09

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GPT-5.6 Sol GPT-5.6 Sol none Release: 2026-07-09
Score 9.6 6.3
Rank #2 #101
Reliability 10.0 10.0
Consistency 9.7 9.0
Tests Correct
Attempt pass rate 98.4% 57.1%
Flaky tests 1 3
Total Runs 63 63
Cost per result 3.335 2.244
Total Cost $0.667 $0.225
Input Price $0.500 / 1M $5.000 / 1M
Output Price $3.000 / 1M $30.000 / 1M
Total Input Tokens 37,017 34,218
Output Tokens 2,006 1,776
Reasoning Tokens 214,153 0
Response Time (avg) 18.64s 1.66s
Response Time (max) 117.26s 3.93s
Response Time (total) 391.35s 34.81s

Generation showcase

Hamster playing table tennis

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

#2 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
17.9s
Tokens
3,236 tok

#101 GPT-5.6 Sol

none
Cost
$0.116
Time
78.7s
Tokens
3,944 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 Flash Preview 10.0 10.0 100.0% 0 3.88s 494 330 3,216
GPT-5.6 Sol 8.3 10.0 75.0% 0 1.27s 606 154 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084
GPT-5.6 Sol 5.5 10.0 33.3% 0 1.39s 7,302 390 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 22.42s 12,873 351 10,485
GPT-5.6 Sol 3.0 10.0 0.0% 0 3.93s 11,019 300 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.43s 7,548 279 4,893
GPT-5.6 Sol 10.0 10.0 100.0% 0 1.53s 7,140 222 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 15.27s 633 12 21,684
GPT-5.6 Sol 3.6 7.2 22.2% 1 1.43s 723 54 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.19s 486 72 1,905
GPT-5.6 Sol 6.5 3.4 66.7% 1 1.52s 477 91 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.04s 615 72 2,709
GPT-5.6 Sol 8.5 6.8 83.3% 1 1.33s 660 84 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.05s 558 183 4,365
GPT-5.6 Sol 7.7 10.0 66.7% 0 1.49s 642 211 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 12.60s 5,532 234 1,487
GPT-5.6 Sol 10.0 10.0 100.0% 0 3.70s 5,454 246 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.50s 156 11 2,325
GPT-5.6 Sol 3.0 10.0 0.0% 0 1.95s 195 24 0

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