Navigate
Advertise here

Claude Sonnet 5.5 (max) vs Grok 4.5 (high)

The average score is effectively tied at 9.0 vs 9.0. Grok 4.5 (high) has the lower benchmark cost at $2.252 vs $7.545. Grok 4.5 (high) is faster at 72.30s vs 83.04s, with pass rates of 81.8% vs 86.4%.

Last updated at: 2026-09-29

Compared models

Rank
#39
Total Output Tokens
727,349
Response Time (avg)
83.04s
Total Cost
$7.545
Rank
#41
Total Output Tokens
324,462
Response Time (avg)
72.30s
Total Cost
$2.252
Recommended model Grok 4.5 (high)

It has the best score here (9.0), while costing about 3.4x less than Claude Sonnet 5.5 (max).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 max Release: 2026-09-29 Grok 4.5 Grok 4.5 high Release: 2026-07-08
Score 9.0 9.0
Rank #39 #41
Reliability 10.0 10.0
Consistency 9.4 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 81.8% 86.4%
Flaky tests 2 3
Total Runs 66 66
Cost per result 44.380 12.565
Total Cost $7.545 $2.252
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $6.000 / 1M
Total Input Tokens 135,496 152,175
Output Tokens 8,153 5,655
Reasoning Tokens 719,196 318,807
Response Time (avg) 83.04s 72.30s
Response Time (max) 488.39s 676.83s
Response Time (total) 1826.84s 1590.56s
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.

#39 Claude Sonnet 5.5

max
OpenRouter returned no showcase content (finish_reason: length).
Cost
$0.000
Time
571.7s
Tokens
0 tok

#41 SpaceXAI: Grok 4.5

high
Cost
$0.015
Time
29.7s
Tokens
2,737 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 10.0 10.0 100.0% 0 55.26s 10,608 580 70,730
Grok 4.5 10.0 10.0 100.0% 0 155.16s 9,579 357 100,752

Quick Compare

Switch Comparison Pair