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

Summary

GPT-5.3 Chat leads on average score with 7.5 vs 6.4. Gemini 3.1 Flash Lite (low) has the lower benchmark cost at $0.028 vs $0.433. Gemini 3.1 Flash Lite (low) is faster at 1.89s vs 6.34s, with pass rates of 61.9% vs 66.7%.

Recommended modelGemini 3.1 Flash Lite (low)It offers the best overall trade-off: a competitive score (6.4), lower cost than GPT-5.3 Chat, and balanced response time.

Last updated at: 2026-07-14

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 6.4 7.5
Rank #103 #61
Reliability 10.0 10.0
Consistency 9.3 8.1
Tests Correct
Attempt pass rate 61.9% 66.7%
Flaky tests 2 5
Total Runs 63 63
Cost per result 0.227 3.605
Total Cost $0.028 $0.433
Input Price $0.250 / 1M $1.750 / 1M
Output Price $1.500 / 1M $14.000 / 1M
Total Input Tokens 36,892 34,209
Output Tokens 2,732 26,617
Reasoning Tokens 9,260 0
Response Time (avg) 1.89s 6.34s
Response Time (max) 5.66s 18.33s
Response Time (total) 39.62s 133.13s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#103 Gemini 3.1 Flash Lite

low
Cost
$0.003
Time
4.0s
Tokens
1,479 tok

#61 GPT-5.3 Chat

none
Cost
$0.008
Time
8.1s
Tokens
634 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 5.5 10.0 33.3% 0 1.53s 8,132 471 1,072
GPT-5.3 Chat 5.6 4.7 55.6% 2 10.52s 7,302 6,632 0

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