LLM application infrastructure foundation

Unified LLM Gateway for cost-aware AI models

Route every OpenAI-compatible request through one controlled gateway: tier selection, provider failover, budgets, usage logs, and spend intelligence without changing application code.

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Supported workflows

OpenAI SDKLiteLLMLangfuse

ChatResponsesEmbeddingsModels 200 OK

POST/v1/chat/completions

REQUEST

curl -X POST "/v1/chat/completions" \
  -H "Authorization: Bearer sk-..." \
  -d '{
    "model": "auto",
    "metadata": { "tier": "balanced" },
    "messages": [
      { "role": "user", "content": "..." }
    ]
  }'

RESPONSE

{
  "model": "balanced",
  "provider": "deepseek",
  "usage": { "input_tokens": 112, "output_tokens": 38 }
}

184 ms150 tokenscost $0.00004failover ready