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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 (low) benchmark comparison: Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 9.5. GPT-5.6 Sol (low) has the lower benchmark cost at $0.649 vs $0.667. GPT-5.6 Sol (low) is faster at 8.29s vs 18.64s, with pass rates of 98.4% vs 85.7%.

Recommended model: GPT-5.6 Sol (low) - Its score stays close to the best score here (9.5 vs 9.6), while responding about 2.2x faster than Gemini 3 Flash Preview (medium).

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 low Release: 2026-07-09
Score 9.6 9.5
Rank #2 #3
Reliability 10.0 10.0
Consistency 9.7 9.2
Tests Correct
Attempt pass rate 98.4% 85.7%
Flaky tests 1 2
Total Runs 63 63
Cost per result 3.335 3.816
Total Cost $0.667 $0.649
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 1,898
Reasoning Tokens 214,153 14,023
Response Time (avg) 18.64s 8.29s
Response Time (max) 117.26s 53.91s
Response Time (total) 391.35s 174.04s

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

#3 GPT-5.6 Sol

low
Cost
$0.062
Time
26.7s
Tokens
2,150 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 2.60s 606 174 492
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 10.0 10.0 100.0% 0 11.25s 7,302 412 3,482
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 10.0 10.0 100.0% 0 9.87s 11,019 318 792
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 1.82s 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 5.3 7.2 44.4% 1 29.07s 723 71 7,822
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 10.0 10.0 100.0% 0 3.07s 477 99 135
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 10.0 10.0 100.0% 0 2.27s 660 90 146
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 8.2 7.2 88.9% 1 3.44s 642 224 534
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 7.56s 5,454 258 294
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 10.0 10.0 100.0% 0 3.67s 195 30 326

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