head to head · open source
LiteLLM vs Bifrost
LiteLLM has 62,569 GitHub stars, 12,940 forks, 5,022 open issues and last shipped yesterday. Bifrost has 9,295 stars, 1,512 forks, 1,014 open issues and last shipped yesterday. LiteLLM leads on adoption by 573% (62,569 vs 9,295 stars). LiteLLM is written in Python under a custom or non-standard licence; Bifrost is written in Go under Apache-2.0. LiteLLM has attracted 21% as many forks as stars, Bifrost 16%. Bifrost was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-gateway, gateway, llm-gateway), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| LiteLLM | Bifrost | |
|---|---|---|
| GitHub stars | ★ 63K | ★ 9.3K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 13K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LiteLLM if
- You weight community size — 63K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Bifrost if
- You want the Bifrost feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Bifrost fits your workflow better
About LiteLLM
🚅 LiteLLM LiteLLM AI Gateway Open Source AI Gateway for 100+ LLMs. Self hosted. Enterprise ready. Call any LLM in OpenAI format. LiteLLM Proxy Server (AI Gateway) Hosted Proxy Enterprise Tier Website What is LiteLLM LiteLLM is an open source AI Gateway that gives you a single, unified interface to call 100+ LLM providers — OpenAI, Anthropic, Gemini, Bedrock, Azure, and more — using the OpenAI format. Use it as a Python SDK for direct library integration, or deploy the AI Gateway (Proxy Server) as a centralized service for your team or organization. Jump to LiteLLM Proxy (LLM Gateway) Docs Jump to Supported LLM…
read the full LiteLLM overview →
About Bifrost
Bifrost AI Gateway The fastest way to build AI applications that never go down Bifrost is a high performance AI gateway that unifies access to 23+ providers (OpenAI, Anthropic, AWS Bedrock, Google Vertex, and more) through a single OpenAI compatible API. Deploy in seconds with zero configuration and get automatic failover, load balancing, semantic caching, and enterprise grade features. Quick Start Go from zero to production ready AI gateway in under a minute. Step 1: Start Bifrost Gateway Step 2: Configure via Web UI Step 3: Make your first API call That's it! Your AI gateway is running with a web interface for…
read the full Bifrost overview →
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Frequently asked questions
Is LiteLLM or Bifrost more popular?
LiteLLM has 62,569 GitHub stars and Bifrost has 9,295. LiteLLM has the larger community by that measure.
Are LiteLLM and Bifrost free?
Both are open source. LiteLLM has no licence declared in this registry, and Bifrost is licensed under Apache-2.0. Both are free to self-host.
What is the difference between LiteLLM and Bifrost?
LiteLLM is written in Python and Bifrost in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, LiteLLM or Bifrost?
Choose LiteLLM if you want the larger community (62,569 stars) or its Custom / other licence terms. Choose Bifrost if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.