GoModel
Open-source AI gateway written in Go providing one OpenAI- and Anthropic-compatible API in
GoModel is an open-source AI gateway written in Go that centralizes provider routing, control, and observability behind a single endpoint. It exposes OpenAI- and Anthropic-compatible APIs, so applications can change base URLs without rewriting SDK code, while the gateway handles authentication, workflow application, routing, and automatic failover across providers.
The gateway supports 34 providers behind one API, with aliases and virtual models, weighted round-robin and cost-based routing, retries with backoff, and circuit breakers. Scoped workflows toggle cache, audit, usage, budgets, guardrails, and failover per provider, model, or user path. Additional capabilities include exact-match and semantic response caching, virtual API keys, rate limits, hard spend budgets, token and dollar usage tracking, audit logs, an embedded admin dashboard, Prometheus metrics, OpenTelemetry traces, and an MCP gateway. It runs as a single binary with Docker, Compose, and Helm recipes, using SQLite, PostgreSQL, or MongoDB for storage.
GoModel is aimed at platform and infrastructure teams managing multiple model providers, multi-tenant billing, or compliance requirements. The core gateway ships as a single open-source binary under the MIT license, while a Pro edition adds features such as prompt compression, intelligent routing, OIDC single sign-on, and per-child quota templates.
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