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Claude Haiku 5.5 — low vs medium

low leads on average score with 8.6 vs 7.7. low has the lower benchmark cost at $0.061 vs $0.063. low is faster at 7.51s vs 7.71s, with pass rates of 76.8% vs 71.0%.

Last updated at: 2026-10-07

Compared models

Rank
#64
Total Output Tokens
61,650
Response Time (avg)
7.51s
Total Cost
$0.061
Rank
#120
Total Output Tokens
66,174
Response Time (avg)
7.71s
Total Cost
$0.063
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 low Release: 2026-10-07 Claude Haiku 5.5 Claude Haiku 5.5 medium Release: 2026-10-07
Score 8.6 7.7
Rank #64 #120
Reliability 10.0 10.0
Consistency 8.9 7.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 71.0%
Flaky tests 3 7
Total Runs 69 69
Cost per result 0.378 0.485
Total Cost $0.061 $0.063
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 296,301 298,334
Output Tokens 10,672 10,328
Reasoning Tokens 50,978 55,846
Response Time (avg) 7.51s 7.71s
Response Time (max) 44.43s 47.70s
Response Time (total) 172.74s 177.29s
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.

#64 Claude Haiku 5.5

low
Cost
$0.001
Time
7.4s
Tokens
1,851 tok

#120 Claude Haiku 5.5

medium
Cost
$0.002
Time
17.2s
Tokens
3,524 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 7.9 7.5 77.8% 1 7.30s 10,608 531 11,618
Claude Haiku 5.5 6.3 4.8 66.7% 2 7.16s 10,608 518 11,415

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