Hadrian Gateway
A unified AI gateway with every enterprise feature included.
Completely Open source and free.
MIT and Apache-2.0 licensed. No proprietary code, no upgrade tiers, no restrictions.
Get Started
Everything
curl -L \
https://github.com/ScriptSmith/hadrian/releases/latest/download/hadrian-x86_64-unknown-linux-gnu-full.tar.gz \
| tar xz
./hadrianSee it in Action
Studio
Generate images across providers simultaneously with cost tracking.
Multi-Model Chat
Compare responses from multiple models side-by-side with advanced multi-model modes.
Usage Dashboard
Track costs per user, team, and project with microcent precision.
Providers
Route to any provider through a unified API. Automatic failover, health checks, and circuit breakers included.
OpenAI
GPT-5.3, o3, DALL-E, TTS, Whisper, embeddings
Anthropic
Claude Opus 4.6, Sonnet 4.5, Haiku 4.5 with prompt caching
AWS Bedrock
Claude, Nova, Llama via AWS IAM auth
Google Vertex AI
Gemini 2.5 models via GCP service accounts
Azure OpenAI
OpenAI models on Azure infrastructure
OpenAI Compatible
OpenRouter, Ollama, Together AI, Groq, Fireworks AI, vLLM, LM Studio, Cerebras, DeepSeek, Mistral, Cohere, Perplexity, and more
Everything Included
Every feature is included in the open-source release. No asterisks, no 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
- Model catalog
Security & Auth
- API keys & service accounts
- OIDC / OAuth / SAML SSO
- CEL-based RBAC
- Guardrails & content moderation
- Rate limiting
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.