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Google: Gemini 3.1 Flash Lite Preview vs xAI: Grok 4.3

Last updated at: 2026-05-29

Metric Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview medium Release: 2026-03-03 Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score 7.7 7.8
Rank #39 #36
Reliability 10.0 10.0
Consistency 10.0 8.4
Tests Correct
Attempt pass rate 65.0% 75.0%
Flaky tests 0 4
Total Runs 60 60
Cost per result 0.481 4.557
Total Cost $0.063 $0.593
Input Price $0.250 / 1M $1.250 / 1M
Output Price $1.500 / 1M $2.500 / 1M
Output Tokens 2,204 1,485
Reasoning Tokens 33,657 214,710
Response Time (avg) 3.94s 49.23s
Response Time (max) 14.93s 216.69s
Response Time (total) 78.74s 984.52s

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Score vs Total Cost

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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 Preview 9.1 10.0 75.0% 0 2.33s 570 4,305
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 Preview 6.8 10.0 50.0% 0 3.98s 455 5,510
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 Preview 10.0 10.0 100.0% 0 14.93s 327 7,347
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 Preview 10.0 10.0 100.0% 0 2.29s 279 2,952
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 Preview 3.0 10.0 0.0% 0 4.21s 18 5,325
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 Preview 10.0 10.0 100.0% 0 3.16s 96 1,488
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 Preview 10.0 10.0 100.0% 0 1.91s 72 2,121
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 Preview 7.7 10.0 66.7% 0 5.30s 141 1,896
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 Preview 10.0 10.0 100.0% 0 3.80s 234 912
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 Preview 3.0 10.0 0.0% 0 2.68s 12 1,801
Grok 4.3 3.0 10.0 0.0% 0 44.47s 14 12,986

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