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Claude Haiku 5.5 (max) vs Claude Sonnet 5 (medium)

The average score is effectively tied at 8.5 vs 8.5. Claude Haiku 5.5 (max) has the lower benchmark cost at $0.509 vs $1.438. Claude Sonnet 5 (medium) is faster at 15.01s vs 61.71s, with pass rates of 85.5% vs 76.8%.

Last updated at: 2026-10-07

Compared models

Rank
#70
Total Output Tokens
919,699
Response Time (avg)
61.71s
Total Cost
$0.509
Rank
#68
Total Output Tokens
73,018
Response Time (avg)
15.01s
Total Cost
$1.438
Recommended model Claude Haiku 5.5 (max)

It has the best score here (8.5), while costing about 2.8x less than Claude Sonnet 5 (medium).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 max Release: 2026-10-07 Claude Sonnet 5 Claude Sonnet 5 medium Release: 2026-06-30
Score 8.5 8.5
Rank #70 #68
Reliability 10.0 10.0
Consistency 9.6 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 85.5% 76.8%
Flaky tests 1 3
Total Runs 69 69
Cost per result 2.677 8.985
Total Cost $0.509 $1.438
Input Price $0.100 / 1M $2.000 / 1M
Output Price $0.500 / 1M $10.000 / 1M
Cache Read Price $0.010 / 1M $0.200 / 1M
Cache Write Price $0.125 / 1M $2.500 / 1M
Total Input Tokens 487,516 353,658
Output Tokens 10,212 54,891
Reasoning Tokens 909,487 18,370
Response Time (avg) 61.71s 15.01s
Response Time (max) 288.94s 69.26s
Response Time (total) 1419.40s 345.16s
Parameters ~50B ~1T total (~100B 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.

#70 Claude Haiku 5.5

max
OpenRouter returned no showcase content (finish_reason: error).
Cost
$0.000
Time
164.5s
Tokens
0 tok

#68 Claude Sonnet 5

medium
Cost
$0.007
Time
6.4s
Tokens
832 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 10.0 10.0 100.0% 0 55.87s 10,608 532 125,988
Claude Sonnet 5 9.0 7.9 88.9% 1 17.28s 10,590 13,153 2,379

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