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Gemini 2.5 Flash vs gpt-oss-120b (medium)

gpt-oss-120b (medium) leads on average score with 6.1 vs 6.0. Gemini 2.5 Flash has the lower benchmark cost at $0.017 vs $0.020. Gemini 2.5 Flash is faster at 6.19s vs 20.81s, with pass rates of 39.4% vs 50.0%.

Last updated at: 2026-09-08

Compared models

Rank
#205
Total Output Tokens
1,890
Response Time (avg)
6.19s
Total Cost
$0.017
Rank
#194
Total Output Tokens
98,282
Response Time (avg)
20.81s
Total Cost
$0.020
Recommended model Gemini 2.5 Flash

Its score stays close to the best score here (6.0 vs 6.1), while responding about 3.4x faster than gpt-oss-120b (medium).

Detailed comparison

Metric Gemini 2.5 Flash Gemini 2.5 Flash none Release: 2025-06-17 gpt-oss-120b gpt-oss-120b medium Release: 2025-08-05
Score 6.0 6.1
Rank #205 #194
Reliability 10.0 10.0
Consistency 9.6 8.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 39.4% 50.0%
Flaky tests 1 5
Total Runs 66 66
Cost per result 0.209 0.224
Total Cost $0.017 $0.020
Input Price $0.300 / 1M $0.037 / 1M
Output Price $2.500 / 1M $0.170 / 1M
Total Input Tokens 39,886 108,767
Output Tokens 1,890 29,378
Reasoning Tokens 0 68,904
Response Time (avg) 6.19s 20.81s
Response Time (max) 118.00s 68.16s
Response Time (total) 136.23s 332.88s
Parameters ~350B total (~20B active) 117B total (5.1B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#205 Gemini 2.5 Flash

none
Invalid SVG
Cost
$0.164
Time
215.5s
Tokens
65,659 tok

#194 gpt-oss-120b

medium
Cost
$0.001
Time
26.7s
Tokens
555 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 5.5 10.0 33.3% 0 736ms 8,122 483 0
gpt-oss-120b 5.9 7.0 55.6% 1 38.37s 7,782 3,365 11,973

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