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Claude Haiku 5.5 (xhigh) vs GPT-5.5 (medium)

GPT-5.5 (medium) leads on average score with 9.2 vs 9.1. Claude Haiku 5.5 (xhigh) has the lower benchmark cost at $0.140 vs $4.809. Claude Haiku 5.5 (xhigh) is faster at 16.58s vs 39.86s, with pass rates of 81.2% vs 88.4%.

Last updated at: 2026-10-07

Compared models

Rank
#35
Total Output Tokens
199,268
Response Time (avg)
16.58s
Total Cost
$0.140
Rank
#30
Total Output Tokens
130,107
Response Time (avg)
39.86s
Total Cost
$4.809
Recommended model Claude Haiku 5.5 (xhigh)

Its score stays close to the best score here (9.1 vs 9.2), while costing about 34.6x less than GPT-5.5 (medium).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 xhigh Release: 2026-10-07 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 9.1 9.2
Rank #35 #30
Reliability 10.0 10.0
Consistency 9.3 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 88.4%
Flaky tests 2 3
Total Runs 69 69
Cost per result 0.773 25.306
Total Cost $0.140 $4.809
Input Price $0.100 / 1M $5.000 / 1M
Output Price $0.500 / 1M $30.000 / 1M
Cache Read Price $0.010 / 1M $0.500 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 394,509 180,959
Output Tokens 10,349 6,472
Reasoning Tokens 188,919 123,635
Response Time (avg) 16.58s 39.86s
Response Time (max) 92.74s 332.10s
Response Time (total) 381.40s 916.82s
Parameters ~50B ~1.5T total (~100B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#35 Claude Haiku 5.5

xhigh
Cost
$0.021
Time
189.0s
Tokens
41,343 tok

#30 GPT-5.5

medium
Cost
$0.112
Time
71.9s
Tokens
3,807 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 Haiku 5.5 10.0 10.0 100.0% 0 13.13s 10,608 504 26,396
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959

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