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

Claude Haiku 5.5 (low) leads on average score with 8.6 vs 7.8. Claude Haiku 5.5 (low) has the lower benchmark cost at $0.061 vs $0.571. Claude Haiku 5.5 (low) is faster at 7.51s vs 26.57s, with pass rates of 76.8% vs 68.1%.

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
#113
Total Output Tokens
440,835
Response Time (avg)
26.57s
Total Cost
$0.571
Recommended model Claude Haiku 5.5 (low)

It has the best score here (8.6), while costing about 9.4x less than Step 3.7 Flash (medium).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 low Release: 2026-10-07 Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29
Score 8.6 7.8
Rank #64 #113
Reliability 10.0 10.0
Consistency 8.9 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 68.1%
Flaky tests 3 4
Total Runs 69 69
Cost per result 0.378 4.392
Total Cost $0.061 $0.571
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 296,301 319,524
Output Tokens 10,672 440,835
Reasoning Tokens 50,978 0
Response Time (avg) 7.51s 26.57s
Response Time (max) 44.43s 152.83s
Response Time (total) 172.74s 611.09s
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

#113 Step 3.7 Flash

medium
Cost
$0.006
Time
46.2s
Tokens
4,466 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 8.8 7.8 88.9% 1 27.42s 7,437 44,797 0

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