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Gemini 2.5 Flash vs Step 3.5 Flash (medium)

Gemini 2.5 Flash leads on average score with 6.0 vs 5.9. Gemini 2.5 Flash has the lower benchmark cost at $0.017 vs $0.132. Gemini 2.5 Flash is faster at 6.19s vs 191.63s, with pass rates of 39.4% vs 50.0%.

Last updated at: 2026-08-15

Rank
#180
Total Output Tokens
1,890
Response Time (avg)
6.19s
Total Cost
$0.017
Rank
#187
Total Output Tokens
568,536
Response Time (avg)
191.63s
Total Cost
$0.132
Recommended model Gemini 2.5 Flash

It has the best score here (6.0), while costing about 7.9x less than Step 3.5 Flash (medium).

Detailed comparison

Metric Gemini 2.5 Flash Gemini 2.5 Flash none Release: 2025-06-17 Step 3.5 Flash Step 3.5 Flash medium Release: 2026-02-01
Score 6.0 5.9
Rank #180 #187
Reliability 10.0 10.0
Consistency 9.6 8.6
Attempts 66/66 63/66
Tests Correct
Attempt pass rate 39.4% 50.0%
Flaky tests 1 2
Total Runs 66 63
Cost per result 0.209 0.858
Total Cost $0.017 $0.132
Input Price $0.300 / 1M $0.100 / 1M
Output Price $2.500 / 1M $0.300 / 1M
Total Input Tokens 39,886 65,716
Output Tokens 1,890 189,424
Reasoning Tokens 0 379,112
Response Time (avg) 6.19s 191.63s
Response Time (max) 118.00s 1597.85s
Response Time (total) 136.23s 3066.07s
Parameters ~350B total (~20B active) 196B total (11B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#180 Gemini 2.5 Flash

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

#187 Step 3.5 Flash

medium
Cost
$0.008
Time
277.1s
Tokens
23,695 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
Step 3.5 Flash 2.4 5.2 0.0% 0 258.38s 2,211 13,207 22,429

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