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Claude Sonnet 5.5 (medium) vs Inkling Small (low)

The average score is effectively tied at 5.7 vs 5.7. Inkling Small (low) has the lower benchmark cost at $0.055 vs $0.672. Inkling Small (low) is faster at 2.07s vs 6.07s, with pass rates of 37.9% vs 50.0%.

Last updated at: 2026-09-29

Compared models

Rank
#266
Total Output Tokens
32,980
Response Time (avg)
6.07s
Total Cost
$0.672
Rank
#269
Total Output Tokens
14,686
Response Time (avg)
2.07s
Total Cost
$0.055
Recommended model Inkling Small (low)

It has the best score here (5.7), while costing about 12.4x less than Claude Sonnet 5.5 (medium).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 medium Release: 2026-09-29 Inkling Small Inkling Small low Release: 2026-08-01
Score 5.7 5.7
Rank #266 #269
Reliability 10.0 10.0
Consistency 9.7 8.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 37.9% 50.0%
Flaky tests 1 4
Total Runs 66 66
Cost per result 8.392 0.649
Total Cost $0.672 $0.055
Input Price $2.000 / 1M $0.450 / 1M
Output Price $10.000 / 1M $1.200 / 1M
Total Input Tokens 170,771 81,447
Output Tokens 23,185 2,715
Reasoning Tokens 9,795 11,971
Response Time (avg) 6.07s 2.07s
Response Time (max) 26.16s 5.82s
Response Time (total) 133.62s 45.64s
Parameters ~1T total (~100B active) 276B total (12B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#266 Claude Sonnet 5.5

medium
Cost
$0.024
Time
17.4s
Tokens
2,525 tok

#269 Thinking Machines: Inkling Small

low
Cost
$0.001
Time
5.9s
Tokens
759 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 Sonnet 5.5 3.4 9.7 0.0% 0 6.07s 10,608 6,767 0
Inkling Small 4.6 5.0 33.3% 2 3.70s 7,374 375 4,332

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