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Gemini 3.1 Flash Lite Preview vs Grok 4.20 (medium)

Grok 4.20 (medium) leads on average score with 6.3 vs 6.2. Gemini 3.1 Flash Lite Preview has the lower benchmark cost at $0.090 vs $1.582. Gemini 3.1 Flash Lite Preview is faster at 3.60s vs 36.73s, with pass rates of 55.1% vs 58.0%.

Last updated at: 2026-10-01

Compared models

Rank
#230
Total Output Tokens
15,760
Response Time (avg)
3.60s
Total Cost
$0.090
Rank
#224
Total Output Tokens
302,087
Response Time (avg)
36.73s
Total Cost
$1.582
Recommended model Gemini 3.1 Flash Lite Preview

Its score stays close to the best score here (6.2 vs 6.3), while costing about 17.7x less than Grok 4.20 (medium).

Detailed comparison

Metric Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview none Release: 2026-03-03 Grok 4.20 Grok 4.20 medium Release: 2026-03-31
Score 6.2 6.3
Rank #230 #224
Reliability 10.0 10.0
Consistency 9.7 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 55.1% 58.0%
Flaky tests 1 5
Total Runs 69 69
Cost per result 0.743 14.374
Total Cost $0.090 $1.582
Input Price $0.250 / 1M $1.250 / 1M
Output Price $1.500 / 1M $2.500 / 1M
Total Input Tokens 261,962 392,127
Output Tokens 15,760 7,754
Reasoning Tokens 0 294,333
Response Time (avg) 3.60s 36.73s
Response Time (max) 48.59s 199.66s
Response Time (total) 82.91s 844.68s
Parameters ~150B total (~10B active) ~1T total (~100B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#230 Gemini 3.1 Flash Lite Preview

none
Cost
$0.003
Time
4.7s
Tokens
1,827 tok

#224 SpaceXAI: Grok 4.20

medium
Cost
$0.041
Time
110.3s
Tokens
16,336 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 3.1 Flash Lite Preview 5.5 10.0 33.3% 0 967ms 8,128 670 0
Grok 4.20 6.3 6.6 55.6% 1 109.93s 8,307 268 103,150

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