Track and Field Opus

Penny winSelf-reported run (local Penny Compare)Oct 11, 2026

Fun game, well done on both. I probably should have picked a different jump key instead of space.

Claude Code 2.1.296claude-opus-5-5Native Penny

Cost−$0.588

−22%

Penny 22% cheaper

Native

$2.63Penny

$2.04

Tokens−1.13M

−77%

Penny 77% fewer tokens

Native

1.47MPenny

343.0k

Model calls−9

−56%

Penny 56% fewer calls

Native

16Penny

Session replayProvided with explicit permission of session creator

Claude Code

› do you remember the classic arcade game track and field

NATIVEclaude-opus-5-5

read: 1.29M
write: 99.0k
out: 78.9k
cost: $2.63

PENNYclaude-opus-5-5

read: 195.2k
write: 62.4k
out: 84.6k
cost: $2.04

Native

index.html

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Penny

track-and-field.html

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Session Details

	Native	Penny
Model	claude-opus-5-5	claude-opus-5-5
Model calls	16	7
Cache read	1.29M	195.2k
Cache write	99.0k	62.4k
Fresh input	1.7k	777
Output	78.9k	84.6k
Total tokens	1.47M	343.0k
Background calls	claude-opus-5-5 ×1, claude-haiku-5-5 ×1	claude-haiku-4-5-20251001 ×1
Cost	$2.63	$2.04

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