Google: Gemini 3 Flash Preview vs StepFun: Step 3.5 Flash
Summary
Gemini 3 Flash Preview (medium) vs Step 3.5 Flash benchmark comparison: Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 2.6. Step 3.5 Flash has the lower benchmark cost at $0.020 vs $0.667. Gemini 3 Flash Preview (medium) is faster at 18.64s vs 39.03s, with pass rates of 98.4% vs 28.6%.
Recommended model: Gemini 3 Flash Preview (medium) - It has the best score here (9.6), while responding about 2.1x faster than Step 3.5 Flash.
Step 3.5 FlashStep 3.5 FlashnoneArchived model: this model is no longer updated or tested on new tests.Release: 2026-02-01
Score
9.6Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
2.6Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
Rank
#2
#187
Reliability
10.0First-attempt success score: 10.0 means no retryable target API or rate-limit failures before successful calls; tracked failures lower the score.…
10.0First-attempt success score: 10.0 means no retryable target API or rate-limit failures before successful calls; tracked failures lower the score.…
Consistency
9.7Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
5.7Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
Tests Correct
A test is fully passed only if every run passed for that test.Wrong answer: 1Response Time (avg)18.64sResponse Time (max)117.26sResponse Time (total)391.35sA test is fully passed only if every run passed for that test.…
A test is fully passed only if every run passed for that test.API error: 4Did not follow instructions: 1Wrong answer: 1Response Time (avg)39.03sResponse Time (max)114.12sResponse Time (total)312.26sA test is fully passed only if every run passed for that test.…
Attempt pass rate
98.4%Attempt pass rate = passed attempts / total attempts across runs.…
28.6%Attempt pass rate = passed attempts / total attempts across runs.…
Flaky tests
1Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
Total Runs
63Total Runs…
36Total Runs…
Cost per result
3.335Shows the average cost per correct benchmark answer in cents (lower is better).…
0.328Shows the average cost per correct benchmark answer in cents (lower is better).…
Total Cost
$0.667Total Cost (Current Price)…
$0.020Total Cost (Current Price)…
Input Price
$0.500 / 1MInput Price…
$0.100 / 1MInput Price…
Output Price
$3.000 / 1MOutput Price…
$0.300 / 1MOutput Price…
Total Input Tokens
37,017Total Input Tokens…
1,971Total Input Tokens…
Output Tokens
2,006Output Tokens…
64,795Output Tokens…
Reasoning Tokens
214,153Reasoning Tokens…
0Reasoning Tokens…
Response Time (avg)
18.64sResponse Time (avg)…
39.03sResponse Time (avg)…
Response Time (max)
117.26sResponse Time (max)…
114.12sResponse Time (max)…
Response Time (total)
391.35sResponse Time (total)…
312.26sResponse Time (total)…
Generation showcase
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)3.88sResponse Time (max)5.73sResponse Time (total)15.53sA test is fully passed only if every run passed for that test.…
3.88sResponse Time (avg)…
494Total Input Tokens…
330Output Tokens…
3,216Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)34.99sResponse Time (max)109.60sResponse Time (total)139.95sA test is fully passed only if every run passed for that test.…
8.6Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
7.6Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
88.9%Attempt pass rate = passed attempts / total attempts across runs.…
1Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.Wrong answer: 1Response Time (avg)84.40sResponse Time (max)117.26sResponse Time (total)253.21sA test is fully passed only if every run passed for that test.…
84.40sResponse Time (avg)…
8,122Total Input Tokens…
462Output Tokens…
161,084Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
9.8Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
3.3Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.API error: 1Response Time (avg)0msResponse Time (max)0msResponse Time (total)0msA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)22.42sResponse Time (max)22.42sResponse Time (total)22.42sA test is fully passed only if every run passed for that test.…
22.42sResponse Time (avg)…
12,873Total Input Tokens…
351Output Tokens…
10,485Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
3.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.API error: 1Response Time (avg)0msResponse Time (max)0msResponse Time (total)0msA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)5.43sResponse Time (max)6.18sResponse Time (total)10.86sA test is fully passed only if every run passed for that test.…
5.43sResponse Time (avg)…
7,548Total Input Tokens…
279Output Tokens…
4,893Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
1.5Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
5.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.API error: 1Response Time (avg)0msResponse Time (max)0msResponse Time (total)0msA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)15.27sResponse Time (max)34.09sResponse Time (total)45.80sA test is fully passed only if every run passed for that test.…
15.27sResponse Time (avg)…
633Total Input Tokens…
12Output Tokens…
21,684Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
3.3Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
3.3Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
33.3%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)34.54sResponse Time (max)34.54sResponse Time (total)34.54sA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)5.19sResponse Time (max)5.19sResponse Time (total)5.19sA test is fully passed only if every run passed for that test.…
5.19sResponse Time (avg)…
486Total Input Tokens…
72Output Tokens…
1,905Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
4.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.Did not follow instructions: 1Response Time (avg)14.37sResponse Time (max)14.37sResponse Time (total)14.37sA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)4.04sResponse Time (max)4.70sResponse Time (total)8.08sA test is fully passed only if every run passed for that test.…
4.04sResponse Time (avg)…
615Total Input Tokens…
72Output Tokens…
2,709Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
5.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
5.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
50.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)9.30sResponse Time (max)9.30sResponse Time (total)9.30sA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)4.05sResponse Time (max)5.64sResponse Time (total)12.15sA test is fully passed only if every run passed for that test.…
4.05sResponse Time (avg)…
558Total Input Tokens…
183Output Tokens…
4,365Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
0.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
0.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)0msResponse Time (max)0msResponse Time (total)0msA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)12.60sResponse Time (max)12.60sResponse Time (total)12.60sA test is fully passed only if every run passed for that test.…
12.60sResponse Time (avg)…
5,532Total Input Tokens…
234Output Tokens…
1,487Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
3.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.API error: 1Response Time (avg)0msResponse Time (max)0msResponse Time (total)0msA test is fully passed only if every run passed for that test.…
10.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
100.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.No failed answers.Response Time (avg)5.50sResponse Time (max)5.50sResponse Time (total)5.50sA test is fully passed only if every run passed for that test.…
5.50sResponse Time (avg)…
156Total Input Tokens…
11Output Tokens…
2,325Reasoning Tokens…
Step 3.5 FlashArchived model: this model is no longer updated or tested on new tests.
3.0Summarizes broad quality across our full private benchmark suite, so ranking reflects consistent performance.…
10.0Consistency score reflects run-to-run stability (10 = very consistent, even if consistently wrong).…
0.0%Attempt pass rate = passed attempts / total attempts across runs.…
0Flaky tests had mixed outcomes across runs (at least one pass and one fail).…
A test is fully passed only if every run passed for that test.Wrong answer: 1Response Time (avg)114.12sResponse Time (max)114.12sResponse Time (total)114.12sA test is fully passed only if every run passed for that test.…