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Google: Gemini 2.5 Flash vs OpenAI: GPT-5.2 Chat

Gemini 2.5 Flash (medium) leads on average score with 8.2 vs 8.0. GPT-5.2 Chat has the lower benchmark cost at $0.604 vs $0.643. GPT-5.2 Chat is faster at 7.65s vs 21.18s, with pass rates of 71.2% vs 74.2%.

Recommended modelGPT-5.2 ChatIts score stays close to the best score here (8.0 vs 8.2), while responding about 2.8x faster than Gemini 2.5 Flash (medium).

Last updated at: 2026-07-17

Metric Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17 GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11
Score 8.2 8.0
Rank #25 #29
Reliability 10.0 10.0
Consistency 9.6 8.6
Tests Correct
Attempt pass rate 71.2% 74.2%
Flaky tests 1 4
Total Runs 66 66
Cost per result 4.286 4.308
Total Cost $0.643 $0.604
Input Price $0.300 / 1M $1.750 / 1M
Output Price $2.500 / 1M $14.000 / 1M
Total Input Tokens 132,498 101,248
Output Tokens 12,739 30,424
Reasoning Tokens 228,464 0
Response Time (avg) 21.18s 7.65s
Response Time (max) 140.50s 38.52s
Response Time (total) 465.89s 168.39s

Hamster playing table tennis

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

#25 Gemini 2.5 Flash

medium
Invalid SVG
Cost
$0.000
Time
274.0s
Tokens
0 tok

#29 GPT-5.2 Chat

none
Cost
$0.010
Time
15.3s
Tokens
797 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 2.5 Flash 7.8 10.0 66.7% 0 41.01s 6,669 543 32,303
GPT-5.2 Chat 8.8 7.8 88.9% 1 9.82s 7,305 6,731 0

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