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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 (medium) benchmark comparison: Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 9.4. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.667 vs $0.966. GPT-5.6 Sol (medium) is faster at 10.79s vs 18.64s, with pass rates of 98.4% vs 90.5%.

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 medium Release: 2026-07-09
Score 9.6 9.4
Rank #2 #5
Reliability 10.0 10.0
Consistency 9.7 8.8
Tests Correct
Attempt pass rate 98.4% 90.5%
Flaky tests 1 3
Total Runs 63 63
Cost per result 3.335 5.682
Total Cost $0.667 $0.966
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 1,895
Reasoning Tokens 214,153 24,600
Response Time (avg) 18.64s 10.79s
Response Time (max) 117.26s 79.40s
Response Time (total) 391.35s 226.57s

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

#5 GPT-5.6 Sol

medium
Cost
$0.124
Time
57.2s
Tokens
4,199 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 10.0 10.0 100.0% 0 2.81s 606 173 572
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 9.40s 7,302 394 4,706
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 12.13s 11,019 318 1,214
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 1.38s 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 5.9 7.2 55.6% 1 47.86s 723 71 16,201
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 3.48s 477 99 214
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 2.50s 660 96 249
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 2.98s 642 228 566
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 6.30s 5,454 264 361
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 4.7 1.6 66.7% 1 4.94s 195 30 517

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