# Godot Benchmark: Sol > K3 > Fable

> Source: <https://ziva.sh/blogs/godot-ai-benchmark>
> Published: 2026-07-19 00:00:00+00:00

# Godot Benchmark: Sol > K3 > Fable

So here’s the thing - every model is benchmaxxing, so how do you know which one is *actually* the best to use? The thing we’ve found most reliable is to benchmark it with something that’s relevant to you.

## TL;DR

Kimi actually beat Fable, but it’s unusably slow. Sol’s speed and affordability make it better for game development, even if the end result is slightly worse than the other two.

| Model | World | Conversation | Cost | Time |
|---|---|---|---|---|
GPT 5.6 Sol | 6 | 9 | $2.94 | 9.7 min |
Kimi 3 | 8 | 7 | $3.14 | 79 min |
Claude Fable 5 | 7 | 6 | $13* | 32.5 min |

## The Prompt

Make a 3D parkour world where you compete against bots for time. There should be 3 races in the world, and you can start any of the races by walking over to their start point. Use the assets in Kenney_Platformer_Kit/ to build your world.

## Created Worlds

| GPT 5.6 Sol | Kimi 3 | Claude Fable 5 |
|---|---|---|
|

[Play](https://play.ziva.sh/buttery-earnestness/)[Play](https://play.ziva.sh/hypnotized-snail/)## Conversation Analysis

I ran each conversation transcript through Opus 4.8 and had it come up with a grade:

**GPT 5.6 Sol**— tightest loop; headless logic checks, playtests only where they counted.** 9/10**·[conversation](https://ziva.sh/c/mrAGKPVAFY)** Kimi 3**— most thorough of the three (12 playtests), but redundant and slow.** 7/10**·[conversation](https://ziva.sh/c/DaApZ2hVrb)** Claude Fable 5**— sharpest debugging, but ships blind: it never sees its own playtest frames.** 6/10**·[conversation](https://ziva.sh/c/S8UvSEhnB_)

## My Thoughts

Kimi is lowkey very good here, but it’s painfully slow. Maybe it’s a reliability issue on their GPUs and it’ll be better once more people can self-host, but the truth is right now the time it takes to do things makes it borderline unusable.

## Credits

Assets used for the game generation are provided by Kenny.nl