# gpt-oss-120b on Cerebras

5 Hacker News commenters recommended gpt-oss-120b on Cerebras and 1 criticized it, November 2025 to November 2026. It was recommended in 5 of 13 months.

**Verdict:** People recommend it for very fast responses on Cerebras hardware, which suits agent workflows with many tool calls. The most common caveat is unreliable tool calling.

## Why people recommend it

- Very fast responses (3 comments): "This is really impressive. At these speeds, it's possible to run agents with multi-tool turns within seconds." ([source](https://news.ycombinator.com/item?id=45856279)) "switch to something like gpt-oss-120B on cerebras and watch it fly. Total cost will be less than $5" ([source](https://news.ycombinator.com/item?id=49078912)) "I'm happy with the performance of this setup!" ([source](https://news.ycombinator.com/item?id=47259567))

## What people warn about

- Unreliable tool calling (2 comments): "gpt-oss-120b is absolutely unusable over Cerebras because it fails to call tools half the time" ([source](https://news.ycombinator.com/item?id=49359217)) "It is broken, screws up tool calls most of the time" ([source](https://news.ycombinator.com/item?id=49825098))

## Alternatives hackers recommend

- [Cerebras Inference](https://hackerapproved.com/p/cerebras.md): 109 recommend
- [Groq API](https://hackerapproved.com/p/groq.md): 58 recommend
- [Tinfoil](https://hackerapproved.com/p/tinfoil.md): 21 recommend
- [Darkbloom](https://hackerapproved.com/p/darkbloom.md): 19 recommend
- [Synthetic](https://hackerapproved.com/p/synthetic.md): 18 recommend

## Cite as

Hacker Approved, "gpt-oss-120b on Cerebras", https://hackerapproved.com/p/gpt-oss-120b-on-cerebras/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).