Navigate
AI BENCHY
Advertise here

AI BENCHY Compare

Google: Gemini 3 Flash Preview vs xAI: Grok 4.5

Summary

Gemini 3 Flash Preview (medium) vs Grok 4.5 (low) benchmark comparison: Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 7.8. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.667 vs $0.760. Grok 4.5 (low) is faster at 15.48s vs 18.64s, with pass rates of 98.4% vs 74.6%.

Recommended model: Gemini 3 Flash Preview (medium) - It has the strongest score in this comparison (9.6) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-08

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 9.6 7.8
Rank #2 #34
Reliability 10.0 10.0
Consistency 9.7 9.7
Tests Correct
Attempt pass rate 98.4% 74.6%
Flaky tests 1 1
Total Runs 63 63
Cost per result 3.335 5.061
Total Cost $0.667 $0.760
Input Price $0.500 / 1M $2.000 / 1M
Output Price $3.000 / 1M $6.000 / 1M
Total Input Tokens 37,017 58,652
Output Tokens 2,006 1,735
Reasoning Tokens 214,153 105,233
Response Time (avg) 18.64s 15.48s
Response Time (max) 117.26s 205.28s
Response Time (total) 391.35s 324.98s

Generation showcase

Hamster playing table tennis

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

#2 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
17.9s
Tokens
3,236 tok

#34 xAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.88s 494 330 3,216
Grok 4.5 10.0 10.0 100.0% 0 2.75s 2,991 261 3,000
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084
Grok 4.5 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 22.42s 12,873 351 10,485
Grok 4.5 3.0 10.0 0.0% 0 8.16s 15,084 261 2,370
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.43s 7,548 279 4,893
Grok 4.5 10.0 10.0 100.0% 0 3.44s 8,937 225 2,549
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 15.27s 633 12 21,684
Grok 4.5 3.0 10.0 0.0% 0 72.64s 2,514 14 70,275
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.19s 486 72 1,905
Grok 4.5 6.1 3.1 66.7% 1 4.88s 1,077 98 1,253
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.04s 615 72 2,709
Grok 4.5 9.8 10.0 100.0% 0 2.80s 1,857 57 1,878
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.05s 558 183 4,365
Grok 4.5 10.0 10.0 100.0% 0 3.20s 2,430 217 2,590
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 12.60s 5,532 234 1,487
Grok 4.5 10.0 10.0 100.0% 0 5.83s 13,394 284 871
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.50s 156 11 2,325
Grok 4.5 3.0 10.0 0.0% 0 13.98s 789 15 4,806

Quick Compare

Switch Comparison Pair