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Google: Gemini 3.1 Flash Lite vs xAI: Grok 4.3

Last updated at: 2026-05-29

Metric Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite high Release: 2026-05-08 Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score 7.6 7.8
Rank #49 #36
Reliability 10.0 10.0
Consistency 8.1 8.4
Tests Correct
Attempt pass rate 74.1% 75.0%
Flaky tests 4 4
Total Runs 54 60
Cost per result 18.579 4.557
Total Cost $2.044 $0.593
Input Price $0.250 / 1M $1.250 / 1M
Output Price $1.500 / 1M $2.500 / 1M
Output Tokens 1,984 1,485
Reasoning Tokens 1,355,583 214,710
Response Time (avg) 61.96s 49.23s
Response Time (max) 149.23s 216.69s
Response Time (total) 1115.31s 984.52s

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 3.1 Flash Lite 10.0 10.0 100.0% 0 37.16s 100 130,598
Grok 4.3 10.0 10.0 100.0% 0 8.83s 88 8,207
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 137.63s 666 188,733
Grok 4.3 7.4 6.5 66.7% 1 55.26s 532 24,554
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 149.23s 327 198,243
Grok 4.3 10.0 10.0 100.0% 0 63.99s 234 15,301
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 4.49s 279 7,351
Grok 4.3 10.0 10.0 100.0% 0 18.97s 180 9,546
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.6 7.2 22.2% 1 139.90s 18 566,210
Grok 4.3 5.3 7.2 44.4% 1 181.74s 14 111,300
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 5.0 2.1 66.7% 1 45.69s 95 64,644
Grok 4.3 5.4 2.5 66.7% 1 24.70s 70 5,020
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 7.3 5.8 83.3% 1 23.26s 52 3,549
Grok 4.3 9.8 10.0 100.0% 0 18.58s 57 8,713
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 5.7 6.8 44.4% 1 50.83s 213 193,654
Grok 4.3 5.9 7.2 55.6% 1 22.52s 128 14,468
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 6.44s 234 2,601
Grok 4.3 10.0 10.0 100.0% 0 17.66s 168 4,615
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite - - - - - - - -
Grok 4.3 3.0 10.0 0.0% 0 44.47s 14 12,986

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