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Google: Gemini 3 Flash Preview vs OpenAI: gpt-oss-120b

Last updated at: 2026-05-22

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 gpt-oss-120b gpt-oss-120b none Release: 2025-08-05 Free Available
Score 9.8 5.2
Rank #1 #129
Reliability 10.0 10.0
Consistency 9.6 8.7
Tests Correct
Attempt pass rate 98.3% 36.8%
Flaky tests 1 3
Total Runs 60 57
Cost per result 2.985 0.201
Total Cost $0.567 $0.011
Input Price $0.500 / 1M $0.000 / 1M
Output Price $3.000 / 1M $0.000 / 1M
Output Tokens 2,009 51,505
Reasoning Tokens 181,315 0
Response Time (avg) 16.72s 21.86s
Response Time (max) 117.26s 113.71s
Response Time (total) 334.36s 349.78s

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 3.88s 330 3,216
gpt-oss-120b 6.5 10.0 50.0% 0 32.84s 8,676 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 7.9 6.4 83.3% 1 95.96s 456 127,964
gpt-oss-120b 4.3 1.1 66.7% 1 9.57s 3,232 0
Combined 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 22.42s 351 10,485
gpt-oss-120b 3.0 10.0 0.0% 0 0ms 0 0
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 5.43s 279 4,893
gpt-oss-120b 6.5 10.0 50.0% 0 7.12s 598 0
Domain specific 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 15.27s 12 21,684
gpt-oss-120b 3.0 10.0 0.0% 0 34.98s 29,483 0
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 5.19s 72 1,905
gpt-oss-120b 4.8 10.0 0.0% 0 10.79s 615 0
Instructions following 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 4.04s 72 2,709
gpt-oss-120b 9.8 10.0 100.0% 0 5.10s 1,982 0
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 5.48s 192 4,647
gpt-oss-120b 4.4 4.5 44.5% 2 9.51s 3,781 0
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 12.60s 234 1,487
gpt-oss-120b 3.0 10.0 0.0% 0 0ms 0 0
Trivia 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 5.50s 11 2,325
gpt-oss-120b 3.0 10.0 0.0% 0 47.29s 3,138 0

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