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Claude Haiku 5.5 — high vs low

low leads on average score with 8.6 vs 8.3. low has the lower benchmark cost at $0.061 vs $0.088. low is faster at 7.51s vs 10.41s, with pass rates of 76.8% vs 76.8%.

Last updated at: 2026-10-07

Compared models

Rank
#80
Total Output Tokens
105,640
Response Time (avg)
10.41s
Total Cost
$0.088
Rank
#64
Total Output Tokens
61,650
Response Time (avg)
7.51s
Total Cost
$0.061
Recommended model low

It has the strongest score in this comparison (8.6) and the best overall balance of cost and response time across 2 models.

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 high Release: 2026-10-07 Claude Haiku 5.5 Claude Haiku 5.5 low Release: 2026-10-07
Score 8.3 8.6
Rank #80 #64
Reliability 10.0 10.0
Consistency 8.5 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 76.8%
Flaky tests 4 3
Total Runs 69 69
Cost per result 0.584 0.378
Total Cost $0.088 $0.061
Input Price $0.100 / 1M $0.100 / 1M
Output Price $0.500 / 1M $0.500 / 1M
Cache Read Price $0.010 / 1M $0.010 / 1M
Cache Write Price $0.125 / 1M $0.125 / 1M
Total Input Tokens 346,451 296,301
Output Tokens 10,136 10,672
Reasoning Tokens 95,504 50,978
Response Time (avg) 10.41s 7.51s
Response Time (max) 52.61s 44.43s
Response Time (total) 239.38s 172.74s
Parameters ~50B ~50B
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.

#80 Claude Haiku 5.5

high
Cost
$0.003
Time
28.0s
Tokens
5,775 tok

#64 Claude Haiku 5.5

low
Cost
$0.001
Time
7.4s
Tokens
1,851 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 6.0 7.2 55.6% 1 9.54s 10,608 503 16,741
Claude Haiku 5.5 7.9 7.5 77.8% 1 7.30s 10,608 531 11,618

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