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Claude Fable 5.2 (low) vs Seed 2.1 Turbo (medium)

Seed 2.1 Turbo (medium) leads on average score with 8.7 vs 8.6. Seed 2.1 Turbo (medium) has the lower benchmark cost at $2.042 vs $3.471. Claude Fable 5.2 (low) is faster at 9.28s vs 189.13s, with pass rates of 84.1% vs 79.7%.

Last updated at: 2026-11-10

Compared models

Rank
#92
Total Output Tokens
26,679
Response Time (avg)
9.28s
Total Cost
$3.471
Rank
#83
Total Output Tokens
769,582
Response Time (avg)
189.13s
Total Cost
$2.042
Recommended model Claude Fable 5.2 (low)

Its score stays close to the best score here (8.6 vs 8.7), while responding about 20.4x faster than Seed 2.1 Turbo (medium).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 low Release: 2026-11-09 Seed 2.1 Turbo Seed 2.1 Turbo medium Release: 2026-08-12
Score 8.6 8.7
Rank #92 #83
Reliability 9.6 10.0
Consistency 9.6 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 84.1% 79.7%
Flaky tests 1 5
Total Runs 69 69
Cost per result 18.265 12.758
Total Cost $3.471 $2.042
Input Price $8.000 / 1M $0.500 / 1M
Output Price $40.000 / 1M $2.500 / 1M
Cache Read Price $0.200 / 1M N/A
Cache Write Price $10.000 / 1M N/A
Total Input Tokens 300,393 234,572
Output Tokens 11,011 8,019
Reasoning Tokens 15,668 761,563
Response Time (avg) 9.28s 189.13s
Response Time (max) 49.92s 885.33s
Response Time (total) 213.39s 4349.92s
Parameters ~9.5T total (~878B active) ~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.

#92 Claude Fable 5.2

low
Cost
$0.084
Time
21.6s
Tokens
2,240 tok

#83 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 Fable 5.2 5.8 9.9 33.3% 0 6.83s 10,608 2,015 1,286
Seed 2.1 Turbo 8.2 7.2 88.9% 1 354.87s 8,220 384 205,892

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