Navigate
Advertise here

Claude Fable 5.2 (medium) vs Pareto (default)

The average score is effectively tied at 9.1 vs 9.1. Pareto (default) has the lower benchmark cost at $1.520 vs $3.582. Claude Fable 5.2 (medium) is faster at 9.78s vs 33.47s, with pass rates of 88.4% vs 87.0%.

Last updated at: 2026-11-10

Compared models

Rank
#52
Total Output Tokens
30,464
Response Time (avg)
9.78s
Total Cost
$3.582
Rank
#49
Total Output Tokens
128,144
Response Time (avg)
33.47s
Total Cost
$1.520
Recommended model Pareto (default)

It has the best score here (9.1), while costing about 2.4x less than Claude Fable 5.2 (medium).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 medium Release: 2026-11-09 Pareto Pareto default Release: 2026-09-18
Score 9.1 9.1
Rank #52 #49
Reliability 9.4 10.0
Consistency 9.3 9.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 88.4% 87.0%
Flaky tests 2 2
Total Runs 69 69
Cost per result 18.849 8.000
Total Cost $3.582 $1.520
Input Price $8.000 / 1M $2.500 / 1M
Output Price $40.000 / 1M $7.500 / 1M
Cache Read Price $0.200 / 1M $0.250 / 1M
Cache Write Price $10.000 / 1M N/A
Total Input Tokens 295,326 223,559
Output Tokens 9,699 128,144
Reasoning Tokens 20,765 0
Response Time (avg) 9.78s 33.47s
Response Time (max) 52.36s 143.33s
Response Time (total) 224.98s 769.84s
Parameters ~9.5T total (~878B 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.

#52 Claude Fable 5.2

medium
Cost
$0.098
Time
25.2s
Tokens
2,594 tok

#49 Pareto

default
Cost
$0.034
Time
170.7s
Tokens
4,581 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 8.2 7.2 88.9% 1 8.02s 10,608 561 3,861
Pareto 10.0 10.0 100.0% 0 50.12s 7,471 1,949 0

Switch Comparison Pair