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Claude Fable 5.1 (low) vs Seed-2.0-Mini (medium)

The average score is effectively tied at 6.9 vs 7.0. Seed-2.0-Mini (medium) has the lower benchmark cost at $0.116 vs $2.565. Claude Fable 5.1 (low) is faster at 10.33s vs 93.10s, with pass rates of 56.1% vs 57.6%.

Last updated at: 2026-09-02

Rank
#130
Total Output Tokens
24,375
Response Time (avg)
10.33s
Total Cost
$2.565
Rank
#127
Total Output Tokens
258,322
Response Time (avg)
93.10s
Total Cost
$0.116
Recommended model Seed-2.0-Mini (medium)

It has the best score here (7.0), while costing about 22.1x less than Claude Fable 5.1 (low).

Detailed comparison

Metric Claude Fable 5.1 Claude Fable 5.1 low Release: 2026-09-02 Seed-2.0-Mini Seed-2.0-Mini medium Release: 2026-02-14
Score 6.9 7.0
Rank #130 #127
Reliability 10.0 8.7
Consistency 9.2 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 56.1% 57.6%
Flaky tests 2 3
Total Runs 66 66
Cost per result 23.315 1.054
Total Cost $2.565 $0.116
Input Price $10.000 / 1M $0.100 / 1M
Output Price $50.000 / 1M $0.400 / 1M
Total Input Tokens 134,582 125,704
Output Tokens 8,955 10,781
Reasoning Tokens 15,420 247,541
Response Time (avg) 10.33s 93.10s
Response Time (max) 33.10s 301.78s
Response Time (total) 227.37s 1768.91s
Parameters ~9.5T total (~878B active) ~50B total (~5B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#130 Claude Fable 5.1

low
Cost
$0.126
Time
28.5s
Tokens
2,652 tok

#127 Seed-2.0-Mini

medium
Cost
$0.002
Time
161.7s
Tokens
4,379 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 5.1 3.4 10.0 0.0% 0 6.75s 10,608 1,753 0
Seed-2.0-Mini 5.5 9.8 33.3% 0 220.48s 3,823 464 34,964

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