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

Seed 2.1 Turbo (medium) leads on average score with 8.7 vs 8.6. Claude Haiku 5.5 (low) has the lower benchmark cost at $0.061 vs $2.042. Claude Haiku 5.5 (low) is faster at 7.51s vs 189.13s, with pass rates of 76.8% vs 79.7%.

Last updated at: 2026-10-07

Compared models

Rank
#64
Total Output Tokens
61,650
Response Time (avg)
7.51s
Total Cost
$0.061
Rank
#58
Total Output Tokens
769,582
Response Time (avg)
189.13s
Total Cost
$2.042
Recommended model Claude Haiku 5.5 (low)

Its score stays close to the best score here (8.6 vs 8.7), while costing about 33.8x less than Seed 2.1 Turbo (medium).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 low Release: 2026-10-07 Seed 2.1 Turbo Seed 2.1 Turbo medium Release: 2026-08-12
Score 8.6 8.7
Rank #64 #58
Reliability 10.0 10.0
Consistency 8.9 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 79.7%
Flaky tests 3 5
Total Runs 69 69
Cost per result 0.378 12.758
Total Cost $0.061 $2.042
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 296,301 234,572
Output Tokens 10,672 8,019
Reasoning Tokens 50,978 761,563
Response Time (avg) 7.51s 189.13s
Response Time (max) 44.43s 885.33s
Response Time (total) 172.74s 4349.92s
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.

#64 Claude Haiku 5.5

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

#58 Seed 2.1 Turbo

medium
Cost
$0.099
Time
583.9s
Tokens
39,514 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
Seed 2.1 Turbo 8.2 7.2 88.9% 1 354.87s 8,220 384 205,892

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