Honest comparison
KeyForge vs LiteLLM
LiteLLM is an excellent open-source SDK/proxy that unifies dozens of providers behind one interface. KeyForge is a hosted, BYOK security gateway for autonomous agents. If you want a library to standardize calls and will build governance yourself, LiteLLM fits. If you want per-agent isolation, a real spend kill-switch, and provable audit logs out of the box, that is where KeyForge is built to win.
Where LiteLLM is strong
Open-source and self-hosted
Free to run, fully in your control, and deployable as an in-process library or a proxy. No network hop required if you embed it directly.
Huge provider coverage
A unified interface across dozens of providers with a large, active community and fast support for new models.
Maximum flexibility
You own the deployment and can customize routing, retries, and logging to fit any infrastructure you already run.
Where KeyForge wins
Agents never hold a raw key
With LiteLLM your process passes real provider keys through, anything that can read the environment can read them. KeyForge agents authenticate with a vk_ virtual key while real credentials stay encrypted in the vault. A leaked virtual key has a one-agent blast radius, revocable in one click.
Hard spend cap, enforced mid-request
LiteLLM has no built-in kill-switch that blocks the next call the moment a limit is hit, you build that. KeyForge enforces per-key dollar caps at the gateway, turning a $4,000 runaway loop into a blocked call.
Tamper-evident audit chain
Self-hosted logs are mutable rows. KeyForge HMAC-SHA256 hash-chains every request so a single edit breaks the chain, verifiable, exportable, and shareable as a read-only report.
Nothing to run or secure
With self-hosted tooling, your deployment is the security boundary, as the March 2026 LiteLLM ecosystem supply-chain incident underlined. KeyForge is hosted: no proxy to patch, scale, or harden in your critical path.
429 key-pool auto-shuffle
LiteLLM gives you retry logic you configure. KeyForge rotates to a fresh key from your pool on 429s automatically, staying on the exact same provider and model.
Feature comparison
| Capability | LiteLLM | KeyForge |
|---|---|---|
| Deployment | Self-hosted (you run & secure it) | Hosted, nothing to run |
| Credential model | Provider keys passed through your process | BYOK vault + vk_ keys; agents never see real keys |
| Spend kill-switch | Not a built-in enforced cap | Hard per-key cap, blocked mid-request |
| Audit integrity | Mutable logs | HMAC hash-chained, verify + export + share |
| 429 handling | Retry logic you configure | Key-pool auto-shuffle, same provider/model |
| Revocation | You manage keys yourself | One-click per-agent revoke |
| Pricing | Free self-host + infra & maintenance | Flat $0 / $19 / $49, no per-request margin |
| Best fit | Full control, in-process routing | Agent safety without building it |
Frequently asked
Give your agents keys that can’t leak
Start with 3 virtual keys and the full HMAC audit chain, free. Migrating from LiteLLM is a base-URL change.