Navigate
AI BENCHY
Your ad here

AI BENCHY Compare

Google: Gemini 3 Flash Preview vs OpenAI: GPT-5.3-Codex

Last updated at: 2026-04-11

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview low Release: 2025-12-17 GPT-5.3-Codex GPT-5.3-Codex medium Release: 2026-02-05
Score 8.8 8.6
Rank #3 #5
Consistency 9.5 8.7
Tests Correct
Attempt pass rate 85.2% 83.3%
Flaky tests 1 3
Total Runs 54 54
Cost per result 0.604 4.405
Total Cost $0.091 $0.573
Input Price $0.500 / 1M $1.750 / 1M
Output Price $3.000 / 1M $14.000 / 1M
Output Tokens 2,018 2,279
Reasoning Tokens 23,273 35,179
Response Time (avg) 6.01s 15.38s
Response Time (max) 14.72s 100.93s
Response Time (total) 108.12s 276.91s

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) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.48s 281 3,082
GPT-5.3-Codex 8.7 7.9 91.7% 1 4.16s 240 1,722
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 6.94s 426 2,717
GPT-5.3-Codex 10.0 10.0 100.0% 0 8.95s 491 1,530
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 3.0 10.0 0.0% 0 3.27s 326 0
GPT-5.3-Codex 10.0 10.0 100.0% 0 19.56s 364 2,731
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 9.40s 279 3,656
GPT-5.3-Codex 10.0 10.0 100.0% 0 3.07s 234 728
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 5.3 7.2 44.4% 1 8.05s 12 6,410
GPT-5.3-Codex 5.9 7.2 55.6% 1 64.31s 64 25,308
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.68s 120 981
GPT-5.3-Codex 4.6 10.0 0.0% 0 4.87s 187 331
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 9.9 10.0 100.0% 0 7.02s 71 2,752
GPT-5.3-Codex 10.0 10.0 100.0% 0 3.04s 93 693
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 6.11s 269 3,260
GPT-5.3-Codex 9.0 7.9 88.9% 1 5.12s 352 1,644
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.99s 234 415
GPT-5.3-Codex 10.0 10.0 100.0% 0 6.37s 254 492

Quick Compare

Switch Comparison Pair