# Pika releases Pika H3 Flex as open source with code, weights, and ComfyUI support

> Original title: Everything we put into this model was designed to give creators the flexibility and speed to explore with precision.

- Source: Pika
- Published: 2026-10-29T17:37:02.000Z
- Bad Influence: https://badinfluence.news/items/f23u7w3wjfgj4t2dsi7ak9hcp
- Original: https://x.com/pika_labs/status/2115860474533466477

## Summary

Pika says it is releasing its Pika H3 Flex model as open source from day one. The code is on GitHub, the weights are on Hugging Face, and the model can be used through ComfyUI and diffusers.

## Why it matters

The post names the release's access points, including code, weights, diffusers, and ComfyUI, which helps readers judge how to try the model.

## Post

Everything we put into this model was designed to give creators the flexibility and speed to explore with precision.

In that spirit, we’re making Pika H3 Flex open source from day 1. You can find the code on GitHub, the weights on @huggingface, and start playing with it in @ComfyUI and diffusers right now.

Code: https://github.com/Pika-Labs/Pika-H3-Flex

Weights: https://huggingface.co/Pika-Labs/Pika-H3-Flex

Diffusers:
https://huggingface.co/docs/diffusers/main/en/api/pipelines/pika_h3_flex

ComfyUI: https://docs.comfy.org/tutorials/video/pika/pika-h3-flex