# Bifrost by Maxim

17 Hacker News commenters recommended Bifrost by Maxim and 6 criticized it, November 2025 to November 2026. It was recommended in 10 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Recommended as a fast, lightweight, drop-in OpenAI-compatible router with failover and a free tier; the most common caveat is that advanced features like virtual keys are paywalled.

## Why people recommend it

- Fast and lightweight (4 comments): "Honestly, it is super fast, and I haven't faced any of the delay issues that were prevalent in LiteLLM." ([source](https://news.ycombinator.com/item?id=49159530)) "Bifrost is just a single executable that uses nearly no memory and is lightning fast." ([source](https://news.ycombinator.com/item?id=49000176)) "bifrost seems tighter and claims to use way fewer resources" ([source](https://news.ycombinator.com/item?id=49665158))
- Configurable, with logs and metrics (3 comments): "the basics like provider proxy, logs, metrics are covered in the free version" ([source](https://news.ycombinator.com/item?id=47852951)) "With Bifrost, I can also create model aliases with custom configuration" ([source](https://news.ycombinator.com/item?id=48999956)) "a more thorough system with configurability, logging, etc." ([source](https://news.ycombinator.com/item?id=47552779))
- Solid, quality software (2 comments): "It's a quality piece of software, unlike LiteLLM." ([source](https://news.ycombinator.com/item?id=50148594)) "it has worked really well and feels pretty solid" ([source](https://news.ycombinator.com/item?id=50024197))
- Free open source version (2 comments): "I did some testing on Bifrost just last month on a free open source instance and was able to set up virtual keys." ([source](https://news.ycombinator.com/item?id=47510355)) "the basics like provider proxy, logs, metrics are covered in the free version" ([source](https://news.ycombinator.com/item?id=47852951))

## What people warn about

- Key features paywalled (2 comments): "fast but many features paywalled" ([source](https://news.ycombinator.com/item?id=45984097)) "Virtual Keys is an Enterprise feature. I am not going to pay for something like this" ([source](https://news.ycombinator.com/item?id=47503415))
- Tool definitions break caching or calls (2 comments): "it injects the list of MCP tools that's available on the proxy-side, it doesn't actually make the call on client's behalf" ([source](https://news.ycombinator.com/item?id=49664037)) "shuffling the tool definition fields between requests so the prefix cache missed" ([source](https://news.ycombinator.com/item?id=49711345))

## Alternatives hackers recommend

- [LiteLLM](https://hackerapproved.com/p/litellm.md): 72 recommend
- [GoModel](https://hackerapproved.com/p/gomodel.md): 13 recommend
- [Claude Code Router](https://hackerapproved.com/p/claude-code-router.md): 11 recommend
- [CLIProxyAPI](https://hackerapproved.com/p/cliproxyapi.md): 7 recommend
- [Tailscale Aperture](https://hackerapproved.com/p/tailscale-aperture.md): 6 recommend

## Cite as

Hacker Approved, "Bifrost by Maxim", https://hackerapproved.com/p/bifrost/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).