Donkey Kong three.js

Penny lossSelf-reported run (local Penny Compare)Oct 8, 2026

Both games fun

PennyRouter's responseOct 10, 2026

Native one loads but does not start on Insert Coin

Claude Code 2.1.295claude-opus-5-5Native Penny

Cost+$0.229

+12%

Penny 12% more expensive

Native

$1.85Penny

$2.08

Tokens−412.7k

−65%

Penny 65% fewer tokens

Native

639.1kPenny

226.4k

Model calls±0

Even

No difference

Native

8Penny

Session replayProvided with explicit permission of session creator

Claude Code

› can you build a three.js donkey kong game

NATIVEclaude-opus-5-5

read: 500.2k
write: 83.8k
out: 53.9k
cost: $1.85

PENNYclaude-opus-5-5

read: 92.1k
write: 41.5k
out: 92.7k
cost: $2.08

Native

girder-kong.html

Loading page…

Penny

donkey-kong.html

Loading page…

Session Details

	Native	Penny
Model	claude-opus-5-5	claude-opus-5-5
Model calls	8	8
Cache read	500.2k	92.1k
Cache write	83.8k	41.5k
Fresh input	1.2k	32
Output	53.9k	92.7k
Total tokens	639.1k	226.4k
Background calls	claude-haiku-5-5 ×1	none
Cost	$1.85	$2.08

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