Guides

Practical notes on running LLM apps across several providers. Each guide is dated, links its sources and says where SentioGate is not the right tool.

• OpenRouter 429s: Fallback and Retry-After

  Why OpenRouter :free models return 429, what the limits are, and how to fail over to another provider while honoring Retry-After, with Python and JS code.

  2026-10-20

• Route OpenCode Through an LLM Router

  Point OpenCode or any OpenAI-compatible coding tool at an LLM router with failover, using a working opencode.json. Claude Code needs an Anthropic endpoint.

  2026-10-20

• LiteLLM vs Bifrost vs Helicone vs SentioGate

  A sourced, dated comparison of LiteLLM, Bifrost, Helicone and SentioGate: deployment, licensing, routing, fallback and observability, and when not to pick us.

  2026-10-20

Comparing gateways? See also the architecture comparison and the API reference.