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Show HN: Pac-Bench – How well can models one-shot a Pac-Man game?

8 pointsby 5h agojonclegg.github.io
5 comments
Benchmarks how well Harness+models can create a Pac-Man game from a single prompt:

“Create a Pac-Man game in a single HTML page”

Each model gets one shot — no follow-up prompts or fixes.

5h agoHN ↗

Opus 5-5 seemed like a perfect clone, with others displaying flaws in an initial look. Astra notably created a bunch of surrounding ugly crap to look at.

5h agoHN ↗

I was just coming here to say this. I looked at all of them, and Opus 5.5 at high effort seems significantly better than every other clone.

Buffered controls, different pathfinding AI for each ghost, level transitions, etc.

Gpt-5.6 sol high technically completed the assignment as well, but the gaps within the pipes used to construct the maze, the lack of pause when eating a ghost, etc made it feel far less polished.

3h agoHN ↗

I tried this with DOOM. Fable 5 did a pretty shit job. Astra made pretty crazy animated sprites and was pretty good considering.

The fact that these are at all playable and 100x my programming skill level is pretty depressing from a certain pov. The ThreeJS dude posted ab how demotivated he was to continue his work, and while I was never a dev that did much with webgl, I commiserate.

11m agoHN ↗

I wonder if we need better programming abstractions/ languages that can make programming easier for people.

It seems like a lot of the programming is cookie cutter type stuff (where these ai programs shine) and should be easier.

They can be amazing, but promoting “make a pac man game” seems like an exercise in which model has the best training code that was Pac-Man.