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Google: Gemini 3.1 Flash Lite vs OpenAI: GPT-5.3 Chat

Last updated at: 2026-05-08

Metric Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite low Release: 2026-05-08 GPT-5.3 Chat GPT-5.3 Chat none Release: 2026-03-03
Score 7.6 7.6
Rank #44 #46
Reliability 10.0 10.0
Consistency 9.2 8.7
Tests Correct
Attempt pass rate 68.4% 70.2%
Flaky tests 2 3
Total Runs 57 57
Cost per result 0.203 2.895
Total Cost $0.025 $0.348
Input Price $0.250 / 1M $1.750 / 1M
Output Price $1.500 / 1M $14.000 / 1M
Output Tokens 2,702 21,353
Reasoning Tokens 8,596 0
Response Time (avg) 1.92s 5.80s
Response Time (max) 5.66s 18.33s
Response Time (total) 36.49s 110.27s

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 3.1 Flash Lite 7.3 6.2 75.0% 2 1.84s 1,013 1,548
GPT-5.3 Chat 6.7 8.1 58.3% 1 3.86s 3,167 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.46s 441 408
GPT-5.3 Chat 10.0 10.0 100.0% 0 9.32s 1,436 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 4.48s 348 975
GPT-5.3 Chat 10.0 10.0 100.0% 0 11.96s 2,614 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.44s 291 697
GPT-5.3 Chat 10.0 10.0 100.0% 0 2.21s 942 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 5.3 10.0 33.3% 0 1.52s 15 1,214
GPT-5.3 Chat 3.5 4.4 33.3% 2 13.01s 8,264 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 4.0 10.0 0.0% 0 1.37s 69 438
GPT-5.3 Chat 4.6 10.0 0.0% 0 1.99s 319 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.52s 72 760
GPT-5.3 Chat 9.8 10.0 100.0% 0 3.29s 1,455 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.40s 210 1,191
GPT-5.3 Chat 10.0 10.0 100.0% 0 2.93s 1,726 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 5.66s 234 945
GPT-5.3 Chat 10.0 10.0 100.0% 0 8.36s 861 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 1.46s 9 420
GPT-5.3 Chat 3.0 10.0 0.0% 0 4.38s 569 0

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