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Google: Gemini 3.1 Flash Lite Preview vs xAI: Grok 4.20 Beta

Last updated at: 2026-03-12

Metric Google: Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview low Release: 2026-03-03 xAI: Grok 4.20 Beta Grok 4.20 Beta medium Release: 2026-03-12
Rank #18 #24
Avg Score 7.3 7.0
Consistency 10.0 9.0
Cost per result 0.177 5.989
Total Cost $0.020 $0.599
Tests Correct
Attempt pass rate 68.8% 70.8%
Flaky tests 0 2
Total Runs 48 48
Output Tokens 1,611 1,481
Reasoning Tokens 7,272 86,628
Response Time (avg) 3.36s 8.89s
Response Time (max) 11.91s 24.21s
Response Time (total) 53.84s 142.18s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Avg Score vs Response Time (avg)

Total Output Tokens

Avg 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 7.0 10.0 66.7% 0 2.18s 456 1,224
Grok 4.20 Beta 7.0 7.2 88.9% 1 3.19s 262 6,289
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 0.0% 0 11.91s 225 762
Grok 4.20 Beta 10.0 10.0 100.0% 0 20.93s 227 12,212
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 9.9 10.0 100.0% 0 3.00s 291 696
Grok 4.20 Beta 9.9 10.0 100.0% 0 4.01s 180 5,281
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 4.0 10.0 33.3% 0 2.36s 18 1,212
Grok 4.20 Beta 4.0 10.0 33.3% 0 21.33s 251 40,255
General Intelligence 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 1.54s 69 384
Grok 4.20 Beta 10.0 10.0 100.0% 0 5.78s 72 3,440
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 1.49s 72 753
Grok 4.20 Beta 9.0 10.0 50.0% 0 4.97s 57 7,107
Puzzle Solving 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 2.76s 243 1,248
Grok 4.20 Beta 7.0 7.2 88.9% 1 3.85s 249 6,660
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 9.54s 237 993
Grok 4.20 Beta 10.0 10.0 0.0% 0 12.39s 183 5,384

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