Quidditch Balls

Penny winSelf-reported run (local Penny Compare)Oct 5, 2026

Claude Code 2.1.289claude-sonnet-5-5Native Penny

Cost−$0.150

−72%

Penny 72% cheaper

Native

$0.208Penny

$0.058

Tokens−92.0k

−63%

Penny 63% fewer tokens

Native

145.3kPenny

53.4k

Model calls−1

−25%

Penny 25% fewer calls

Native

4Penny

Session Details

	Native	Penny
Model	claude-sonnet-5-5	claude-sonnet-5-5
Model calls	4	3
Cache read	107.3k	31.7k
Cache write	30.9k	15.0k
Fresh input	909	6.4k
Output	6.2k	272
Total tokens	145.3k	53.4k
Background calls	claude-haiku-4-5-20251001 ×1	claude-haiku-4-5-20251001 ×1
Cost	$0.208	$0.058

Costs are API-equivalent estimates at Standard prices, including the main conversation, subagents and background calls such as titles and the auto-mode reviewer.