Navigate
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com

Claude Sonnet 5.5 — high vs xhigh

The average score is effectively tied at 8.3 vs 8.3. high has the lower benchmark cost at $0.752 vs $1.069. high is faster at 8.94s vs 13.17s, with pass rates of 80.3% vs 78.8%.

Last updated at: 2026-09-29

Compared models

Rank
#80
Total Output Tokens
43,305
Response Time (avg)
8.94s
Total Cost
$0.752
Rank
#79
Total Output Tokens
77,105
Response Time (avg)
13.17s
Total Cost
$1.069
Recommended model high

It has the strongest score in this comparison (8.3) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 high Release: 2026-09-29 Claude Sonnet 5.5 Claude Sonnet 5.5 xhigh Release: 2026-09-29
Score 8.3 8.3
Rank #80 #79
Reliability 10.0 10.0
Consistency 8.3 8.7
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 80.3% 78.8%
Flaky tests 5 4
Total Runs 66 66
Cost per result 5.014 7.123
Total Cost $0.752 $1.069
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $10.000 / 1M
Total Input Tokens 159,456 148,643
Output Tokens 10,170 9,700
Reasoning Tokens 33,135 67,405
Response Time (avg) 8.94s 13.17s
Response Time (max) 25.71s 54.91s
Response Time (total) 196.68s 289.67s
Parameters ~1T total (~100B active) ~1T total (~100B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#80 Claude Sonnet 5.5

high
Cost
$0.088
Time
73.5s
Tokens
8,914 tok

#79 Claude Sonnet 5.5

xhigh
Cost
$0.319
Time
258.6s
Tokens
31,969 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 9.85s 10,608 561 6,326
Claude Sonnet 5.5 8.2 7.2 88.9% 1 11.90s 10,608 555 9,501

Quick Compare

Switch Comparison Pair