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Claude Haiku 5.5 (xhigh) vs Seed 2.1 Turbo (low)

Seed 2.1 Turbo (low) leads on average score with 9.3 vs 9.1. Claude Haiku 5.5 (xhigh) has the lower benchmark cost at $0.140 vs $1.645. Claude Haiku 5.5 (xhigh) is faster at 16.58s vs 161.25s, with pass rates of 81.2% vs 81.2%.

Last updated at: 2026-10-19

Compared models

Rank
#39
Total Output Tokens
199,268
Response Time (avg)
16.58s
Total Cost
$0.140
Rank
#29
Total Output Tokens
609,333
Response Time (avg)
161.25s
Total Cost
$1.645
Recommended model Claude Haiku 5.5 (xhigh)

Its score stays close to the best score here (9.1 vs 9.3), while costing about 11.8x less than Seed 2.1 Turbo (low).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 xhigh Release: 2026-10-07 Seed 2.1 Turbo Seed 2.1 Turbo low Release: 2026-08-12
Score 9.1 9.3
Rank #39 #29
Reliability 10.0 10.0
Consistency 9.3 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 81.2%
Flaky tests 2 2
Total Runs 69 69
Cost per result 0.773 9.135
Total Cost $0.140 $1.645
Input Price $0.100 / 1M $0.500 / 1M
Output Price $0.500 / 1M $2.500 / 1M
Cache Read Price $0.010 / 1M N/A
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 394,509 241,855
Output Tokens 10,349 8,387
Reasoning Tokens 188,919 600,946
Response Time (avg) 16.58s 161.25s
Response Time (max) 92.74s 739.98s
Response Time (total) 381.40s 3708.70s
Parameters ~50B ~200B total (~20B 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.

#39 Claude Haiku 5.5

xhigh
Cost
$0.021
Time
189.0s
Tokens
41,343 tok

#29 Seed 2.1 Turbo

low
Cost
$0.049
Time
298.8s
Tokens
19,730 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 13.13s 10,608 504 26,396
Seed 2.1 Turbo 10.0 10.0 100.0% 0 360.85s 8,220 385 207,368

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