One-API
Unified API management for multiple LLM providers
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is One-API?
One-API is an open-source tool that unifies access to various large language model APIs from different providers under a single interface, simplifying key management and redistribution. It supports deployment via Docker or as a standalone binary.
Key differentiator
“One-API stands out by offering a unified API interface for multiple LLM providers, simplifying key management and deployment with Docker support.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
API requires Python-specific patterns, TypeScript SDK is community-maintained
v0.1 to v0.2 migration required rewriting chain definitions
Primary language is Go, but official SDKs are only for Python and community-maintained for TypeScript
Docker deployment experiences latency spikes with more than 10 concurrent requests
GitHub issues have slow response times, few contributors
Fit analysis
Who is it for?
✓ Best for
Teams needing centralized access to multiple LLM APIs
Projects requiring key management and redistribution capabilities
Developers looking for a self-hosted solution with Docker support
✕ Not a fit for
Users who prefer cloud-managed services over self-hosting
Scenarios where real-time streaming is required (batch-only architecture)
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
Integrations
Next step
Get Started with One-API
Step-by-step setup guide with code examples and common gotchas.