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Claude Fable 5.2 (low) vs Particle-1 (medium)

The average score is effectively tied at 8.6 vs 8.6. Particle-1 (medium) has the lower benchmark cost at $0.217 vs $3.471. Claude Fable 5.2 (low) is faster at 9.28s vs 32.30s, with pass rates of 84.1% vs 73.9%.

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
#96
Total Output Tokens
406,465
Response Time (avg)
32.30s
Total Cost
$0.217
Recommended model Particle-1 (medium)

It has the best score here (8.6), while costing about 16.0x less than Claude Fable 5.2 (low).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 low Release: 2026-11-09 Particle-1 Particle-1 medium Release: 2026-10-28
Score 8.6 8.6
Rank #92 #96
Reliability 9.6 9.7
Consistency 9.6 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 84.1% 73.9%
Flaky tests 1 5
Total Runs 69 69
Cost per result 18.265 1.546
Total Cost $3.471 $0.217
Input Price $8.000 / 1M $0.050 / 1M
Output Price $40.000 / 1M $0.500 / 1M
Cache Read Price $0.200 / 1M $0.003 / 1M
Cache Write Price $10.000 / 1M N/A
Total Input Tokens 300,393 263,837
Output Tokens 11,011 7,443
Reasoning Tokens 15,668 399,022
Response Time (avg) 9.28s 32.30s
Response Time (max) 49.92s 276.96s
Response Time (total) 213.39s 742.97s
Parameters ~9.5T total (~878B active) ~748B total (~16B 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

#96 Particle-1

medium
Cost
$0.006
Time
42.2s
Tokens
10,219 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
Particle-1 8.2 7.2 88.9% 1 64.92s 7,986 402 115,089

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