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Claude Sonnet 5.5 (xhigh) vs Grok 4.6 (high)

Claude Sonnet 5.5 (xhigh) leads on average score with 8.6 vs 8.5. Claude Sonnet 5.5 (xhigh) has the lower benchmark cost at $1.516 vs $2.629. Claude Sonnet 5.5 (xhigh) is faster at 14.98s vs 87.48s, with pass rates of 79.7% vs 82.6%.

Last updated at: 2026-10-01

Compared models

Rank
#61
Total Output Tokens
83,041
Response Time (avg)
14.98s
Total Cost
$1.516
Rank
#64
Total Output Tokens
312,614
Response Time (avg)
87.48s
Total Cost
$2.629
Recommended model Claude Sonnet 5.5 (xhigh)

It has the best score here (8.6), while costing about 1.7x less than Grok 4.6 (high).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 xhigh Release: 2026-09-29 Grok 4.6 Grok 4.6 high Release: 2026-08-12
Score 8.6 8.5
Rank #61 #64
Reliability 10.0 10.0
Consistency 8.7 10.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 79.7% 82.6%
Flaky tests 4 0
Total Runs 69 69
Cost per result 9.473 13.833
Total Cost $1.516 $2.629
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $6.000 / 1M
Total Input Tokens 342,579 376,233
Output Tokens 12,848 6,687
Reasoning Tokens 70,193 305,927
Response Time (avg) 14.98s 87.48s
Response Time (max) 54.92s 618.49s
Response Time (total) 344.60s 2012.15s
Parameters ~1T total (~100B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#61 Claude Sonnet 5.5

xhigh
Cost
$0.319
Time
258.6s
Tokens
31,969 tok

#64 SpaceXAI: Grok 4.6

high
Cost
$0.107
Time
265.1s
Tokens
18,001 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5.5 8.2 7.2 88.9% 1 11.90s 10,608 555 9,501
Grok 4.6 10.0 10.0 100.0% 0 102.20s 9,579 379 51,829

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