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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 (high) 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 $0.821. GPT-5.6 Sol (high) is faster at 10.56s vs 18.64s, with pass rates of 98.4% vs 88.9%.

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 high Release: 2026-07-09
Score 9.6 9.4
Rank #2 #6
Reliability 10.0 10.0
Consistency 9.7 8.8
Tests Correct
Attempt pass rate 98.4% 88.9%
Flaky tests 1 3
Total Runs 63 63
Cost per result 3.335 4.824
Total Cost $0.667 $0.821
Input Price $0.500 / 1M $5.000 / 1M
Output Price $3.000 / 1M $30.000 / 1M
Total Input Tokens 37,017 34,114
Output Tokens 2,006 1,872
Reasoning Tokens 214,153 19,777
Response Time (avg) 18.64s 10.56s
Response Time (max) 117.26s 54.79s
Response Time (total) 391.35s 221.69s

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

#6 GPT-5.6 Sol

high
Cost
$0.151
Time
201.9s
Tokens
5,100 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 8.7 7.9 91.7% 1 3.39s 606 171 644
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 12.52s 7,302 404 5,656
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 13.68s 11,019 315 1,599
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 1.16s 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 39.45s 619 62 9,556
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 4.40s 477 97 238
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 2.73s 660 96 331
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 10.0 10.0 100.0% 0 4.10s 642 211 675
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 7.08s 5,454 264 393
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 6.97s 195 30 685

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