ML Junction
One API for every AI model, with routing, fallback and a receipt for every request
One API for every AI model, with a receipt for every request.
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1 / 3Overview
What is ML Junction?
One API for every AI model, with routing, fallback and a receipt for every request
ML Junction is an API gateway for AI models. Developers call one API, or point the official OpenAI or Anthropic SDK at it by changing the base URL, and reach models from multiple providers for text, embeddings, images, speech, video jobs and batch work.
Each request is routed by capability, provider health, privacy requirements and cost, with a route preview before you spend. When a provider fails or is busy, the gateway retries and falls back across providers, accounts and models.
Every response carries a receipt: the route that ran, the cost, the prompt-cache result and the privacy policy applied. Teams can bring their own provider keys, set per-key budgets, rate limits and model allow-lists, and apply guardrails for prompt injection, PII and secrets.
A native LangChain integration, langchain-mljunction, is on PyPI. Pricing is usage-based on prepaid credits: provider rates at cost plus one routing fee.
Platforms and languages
ML Junction Availability
Platforms
Languages
Product video
ML Junction in action
Capabilities
ML Junction Key Features
Receipt on every request
Every response shows the route that ran, the alternatives considered, the policies applied, the cache result and the final cost.
Routing and fallback
Each request is routed by capability, provider health, privacy and cost, and falls back across providers, accounts and models when one fails.
Works with the official SDKs
Point the official OpenAI or Anthropic SDK at the gateway by changing the base URL, or use the native LangChain integration.
Best for
Who uses ML Junction?
Developers and AI engineers
Teams building AI features that call several model providers.
Plans and access
ML Junction Pricing
Paid
Usage-based on prepaid credits: provider rates at cost plus one routing fee, or bring your own provider keys. No free tier; new teams get a $5 welcome credit and credits start from $5.
Common questions
ML Junction FAQs
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