Navigate
AI BENCHY
Advertise here

AI BENCHY Compare

Anthropic: Claude Sonnet 5 vs xAI: Grok 4.5

Summary

Claude Sonnet 5 (medium) vs Grok 4.5 (low) benchmark comparison: The average score is effectively tied at 7.9 vs 7.8. Claude Sonnet 5 (medium) has the lower benchmark cost at $0.550 vs $0.760. Claude Sonnet 5 (medium) is faster at 9.94s vs 15.48s, with pass rates of 79.4% vs 74.6%.

Recommended model: Claude Sonnet 5 (medium) - It has the best score here (7.9), while responding about 1.6x faster than Grok 4.5 (low).

Last updated at: 2026-07-08

Metric Claude Sonnet 5 Claude Sonnet 5 medium Release: 2026-06-30 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 7.9 7.8
Rank #31 #34
Reliability 10.0 10.0
Consistency 9.0 9.7
Tests Correct
Attempt pass rate 79.4% 74.6%
Flaky tests 3 1
Total Runs 63 63
Cost per result 3.662 5.061
Total Cost $0.550 $0.760
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $6.000 / 1M
Total Input Tokens 67,416 58,652
Output Tokens 34,012 1,735
Reasoning Tokens 7,673 105,233
Response Time (avg) 9.94s 15.48s
Response Time (max) 56.94s 205.28s
Response Time (total) 208.71s 324.98s

Generation showcase

Hamster playing table tennis

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

#31 Claude Sonnet 5

medium
Cost
$0.007
Time
6.4s
Tokens
832 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
Claude Sonnet 5 10.0 10.0 100.0% 0 3.80s 834 1,220 446
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
Claude Sonnet 5 9.0 7.9 88.9% 1 17.28s 10,590 13,153 2,379
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
Claude Sonnet 5 4.5 2.1 66.7% 1 37.01s 29,394 4,848 2,170
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
Claude Sonnet 5 10.0 10.0 100.0% 0 3.16s 10,503 312 0
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
Claude Sonnet 5 7.7 10.0 66.7% 0 20.38s 975 12,140 1,994
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
Claude Sonnet 5 4.8 3.2 33.3% 1 4.32s 708 264 0
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
Claude Sonnet 5 9.9 10.0 100.0% 0 3.10s 909 318 269
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
Claude Sonnet 5 7.7 10.0 66.7% 0 2.98s 894 407 121
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
Claude Sonnet 5 10.0 10.0 100.0% 0 10.70s 12,351 433 90
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
Claude Sonnet 5 3.0 10.0 0.0% 0 7.06s 258 917 204
Grok 4.5 3.0 10.0 0.0% 0 13.98s 789 15 4,806

Quick Compare

Switch Comparison Pair