Hadrian Gateway
Unified AI gateway with every enterprise feature included.
Completely Open Source and Free.
MIT and Apache-2.0 licensed. No proprietary code, upgrade tiers, or restrictions.
Try in BrowserConnect to Ollama, OpenRouter, and more!
Running Hadrian entirely in your web browser.Get StartedDocumentationGitHubOpenRouter
Running Hadrian entirely in your web browser.Get StartedDocumentationGitHubOpenRouter
One OpenAI-compatible API routes to any provider.
Learn more →Get Started
Method
OS
Libc
Features
Production deployment
Model catalog
Embedded docs
CSV export
JSON schema
SAML SSO
Kreuzberg OCR
ClamAV scanning
Microsandbox containers
OpenSandbox containers
curl -L \
https://github.com/hadriangateway/hadrian/releases/latest/download/hadrian-x86_64-unknown-linux-musl-standard.tar.gz \
| tar xz
./hadrianSee it in Action
Compare responses from multiple models side-by-side with advanced multi-model modes.
Everything Included
Every feature is included in the open-source release. No asterisks or upgrade walls.
Infrastructure
- Single binary, single config file
- SQLite, Postgres, or stateless
- Redis caching
- S3-compatible storage
- Provider fallbacks & health checks
- Helm chart for Kubernetes
AI Capabilities
- Multi-model chat
- Image generation
- TTS & transcription
- Knowledge bases / RAG
- Web search
- Model catalog
Security & Auth
- API keys & service accounts
- OIDC / OAuth / SAML SSO
- CEL-based RBAC
- Guardrails & content moderation
- Rate limiting
- Sovereignty enforcement
Multi-tenancy
- Organizations, teams, projects
- Dynamic providers
- Scoped budgets
- Per-tenant SSO
- SCIM provisioning
Observability
- Usage & cost tracking
- Cost forecasting
- Prometheus metrics
- OpenTelemetry tracing
- Audit logs & SIEM
Developer Experience
- OpenAI-compatible API
- OpenAPI docs & Scalar UI
- MCP servers
- Frontend tools (Python/JS/SQL/Charts)
- Web UI with admin panel
Ready to Get Started?
Deploy in minutes with a single binary. No external dependencies for basic use.