Bifrost

Fastest LLM gateway with minimal overhead.

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is Bifrost?

Bifrost is the fastest LLM gateway, offering just 11μs overhead at 5,000 RPS. It's designed to be significantly faster than alternatives like LiteLLM, making it ideal for high-performance applications requiring rapid response times.

Key differentiator

Bifrost stands out by offering unparalleled speed and performance, making it the go-to choice for applications that demand ultra-low latency.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Ultra-low latency (11μs overhead at 5,000 RPS)medium

High performance and scalabilitymedium

Open-source under Apache-2.0 licensemedium

↓ Weaknesses

Steep learning curve for non-Go developershigh

The primary language is Go, which may require significant time to learn and adapt for developers with a background in other languages.

Limited community support due to niche focusmedium

Bifrost's specific use case as an LLM gateway might result in a smaller user base, leading to fewer contributions and slower response times for issues and questions.

Potential performance degradation under non-ideal network conditionshigh

While Bifrost excels at low-latency operations, its performance may suffer in environments with high network latency or packet loss, which could be critical for real-time applications.

Incomplete documentation and examplesmedium

The project's documentation lacks comprehensive guides and practical examples, making it harder for new users to understand and implement Bifrost effectively.

Fit analysis

Who is it for?

✓ Best for

Teams building real-time applications that require ultra-low latency

Projects where minimizing overhead is critical to overall system performance

Go developers looking to integrate LLM capabilities with minimal impact on response times

✕ Not a fit for

Applications requiring real-time streaming (Bifrost focuses on batch processing)

Scenarios where the use of Go as a primary language is not feasible or preferred

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Bifrost

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →