New API is an open-source multi-tenant AI gateway that aggregates and distributes LLM API requests across providers like OpenAI, Claude, and Gemini through a unified proxy interface. It cross-converts requests into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats, with built-in channel management, quota control, token-based authentication, and billing capabilities. Deploy via Docker with SQLite or MySQL for centralized model management.
Best One API Alternatives
2 editor-verified alternatives · One API overview →
source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order
Baseten is the inference platform for deploying AI models at scale with dedicated and pre-optimized model APIs and performance-optimized infrastructure. Specializes in image generation, transcription, text-to-speech, LLM serving, embeddings, and compound AI workloads. Delivers 75% latency reduction with 415ms cold starts and 3000+ concurrent scaling. Available as managed cloud or self-hosted, trusted by Cursor, Notion, Descript, and Sourcegraph for production inference.
Open-source One API alternatives
New API — see all open-source developer tools.
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FAQ
What is the best One API alternative?
New API tops our editor-verified list of 2 One API alternatives.
Are there open-source One API alternatives?
Yes — New API are open source.