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Claude Haiku 5.5 (low) vs Step 5 Preview (low)

Claude Haiku 5.5 (low) leads on average score with 8.6 vs 5.6. Claude Haiku 5.5 (low) has the lower benchmark cost at $0.061 vs $4.110. Claude Haiku 5.5 (low) is faster at 7.51s vs 138.27s, with pass rates of 76.8% vs 58.0%.

Last updated at: 2026-10-09

Compared models

Rank
#64
Total Output Tokens
61,650
Response Time (avg)
7.51s
Total Cost
$0.061
Rank
#281
Total Output Tokens
1,425,268
Response Time (avg)
138.27s
Total Cost
$4.110
Recommended model Claude Haiku 5.5 (low)

It has the best score here (8.6), while costing about 68.0x less than Step 5 Preview (low).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 low Release: 2026-10-07 Step 5 Preview Step 5 Preview low Release: 2026-10-09
Score 8.6 5.6
Rank #64 #281
Reliability 10.0 9.7
Consistency 8.9 7.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 58.0%
Flaky tests 3 7
Total Runs 69 69
Cost per result 0.378 41.095
Total Cost $0.061 $4.110
Input Price $0.100 / 1M $1.000 / 1M
Output Price $0.500 / 1M $2.700 / 1M
Cache Read Price $0.010 / 1M $0.050 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 296,301 261,256
Output Tokens 10,672 1,425,268
Reasoning Tokens 50,978 0
Response Time (avg) 7.51s 138.27s
Response Time (max) 44.43s 436.56s
Response Time (total) 172.74s 3180.10s
Parameters ~50B 600B total (27B 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.

#64 Claude Haiku 5.5

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

#281 Step 5 Preview

low
Cost
$0.051
Time
125.6s
Tokens
18,795 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
Step 5 Preview 2.7 7.0 11.1% 1 378.21s 7,428 518,232 0

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