OpenAI-compatible · Multi-provider · Self-hosted

One endpoint.
One key. Every provider.

Connect your Freebuff, OpenAI, and other AI accounts. Get a single OpenAI-compatible API endpoint that routes to all of them.

gateway.tesserel.tech
curl https://gateway.tesserel.tech/v1/chat/completions \
  -H "Authorization: Bearer sk_tes..." \
  -d '{"model":"deepseek/deepseek-v4-flash",
    "messages":[{"role":"user","content":"Hello"}]}'

Built for developers

Everything you need to manage multiple AI providers through a single gateway.

Multi-provider

Connect Freebuff, OpenAI, and more. One endpoint routes to all.

OpenAI compatible

Drop-in replacement. Works with any OpenAI-compatible client.

Model access control

Free and premium tiers. Control who gets access to what.

Streaming

Full SSE streaming support. Real-time token delivery.

Usage analytics

Track requests, tokens, and costs across all providers.

API key management

Generate, rotate, and revoke keys. Per-user isolation.

Simple pricing

Free

₹0

  • Free models only
  • 3 API keys
  • 3 accounts per provider
  • 10 requests/min
  • Partial context windows

Pro

₹299/month

  • All models (including premium)
  • 9 API keys
  • 15 accounts per provider
  • 60 requests/min
  • Full context windows