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Claude Fable 5.1 (high) vs DeepSeek V4.1 Flash (low)

DeepSeek V4.1 Flash (low) leads on average score with 8.0 vs 7.9. DeepSeek V4.1 Flash (low) has the lower benchmark cost at $0.153 vs $3.471. Claude Fable 5.1 (high) is faster at 13.30s vs 28.04s, with pass rates of 85.5% vs 73.9%.

Last updated at: 2026-10-01

Compared models

Rank
#98
Total Output Tokens
40,466
Response Time (avg)
13.30s
Total Cost
$3.471
Rank
#90
Total Output Tokens
371,547
Response Time (avg)
28.04s
Total Cost
$0.153
Recommended model DeepSeek V4.1 Flash (low)

It has the best score here (8.0), while costing about 22.8x less than Claude Fable 5.1 (high).

Detailed comparison

Metric Claude Fable 5.1 Claude Fable 5.1 high Release: 2026-09-02 DeepSeek V4.1 Flash DeepSeek V4.1 Flash low Release: 2026-09-10
Score 7.9 8.0
Rank #98 #90
Reliability 10.0 9.6
Consistency 9.7 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 85.5% 73.9%
Flaky tests 1 4
Total Runs 69 69
Cost per result 18.264 1.576
Total Cost $3.471 $0.153
Input Price $10.000 / 1M $0.020 / 1M
Output Price $50.000 / 1M $0.396 / 1M
Total Input Tokens 144,676 266,849
Output Tokens 8,184 8,284
Reasoning Tokens 32,282 363,263
Response Time (avg) 13.30s 28.04s
Response Time (max) 40.17s 149.84s
Response Time (total) 305.83s 645.03s
Parameters ~9.5T total (~878B active) 748B total (16B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#98 Claude Fable 5.1

high
Cost
$0.384
Time
102.5s
Tokens
7,824 tok

#90 DeepSeek V4.1 Flash

low
Cost
$0.017
Time
43.6s
Tokens
14,069 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 8.4 7.4 88.9% 1 13.91s 10,608 520 6,503
DeepSeek V4.1 Flash 10.0 10.0 100.0% 0 40.66s 7,509 378 81,978

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