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Claude Haiku 5.5 (low) vs Step 3.7 Flash (low)

Claude Haiku 5.5 (low) leads on average score with 8.6 vs 7.2. Claude Haiku 5.5 (low) has the lower benchmark cost at $0.061 vs $0.449. Claude Haiku 5.5 (low) is faster at 7.51s vs 20.72s, with pass rates of 76.8% vs 63.8%.

Last updated at: 2026-10-12

Compared models

Rank
#64
Total Output Tokens
61,650
Response Time (avg)
7.51s
Total Cost
$0.061
Rank
#157
Total Output Tokens
339,108
Response Time (avg)
20.72s
Total Cost
$0.449
Recommended model Claude Haiku 5.5 (low)

It has the best score here (8.6), while costing about 7.4x less than Step 3.7 Flash (low).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 low Release: 2026-10-07 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 8.6 7.2
Rank #64 #157
Reliability 10.0 10.0
Consistency 8.9 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 63.8%
Flaky tests 3 6
Total Runs 69 69
Cost per result 0.378 4.078
Total Cost $0.061 $0.449
Input Price $0.100 / 1M $0.200 / 1M
Output Price $0.500 / 1M $1.150 / 1M
Cache Read Price $0.010 / 1M $0.040 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 296,301 292,685
Output Tokens 10,672 339,108
Reasoning Tokens 50,978 0
Response Time (avg) 7.51s 20.72s
Response Time (max) 44.43s 124.75s
Response Time (total) 172.74s 476.67s
Parameters ~50B 198B total (11B active)
Availability Closed Open source

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

#157 Step 3.7 Flash

low
Invalid SVG
Cost
$0.004
Time
25.3s
Tokens
3,072 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 3.7 Flash 8.2 7.2 88.9% 1 9.46s 7,437 18,685 0

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