AI gateway for enterprise

One key. Every model. Less cost.

Access GPT, Claude, Gemini, and every other major AI model through a single key.First party, pay as you go, and up to 30 percent cheaper.

app.ts
// Keep your existing SDK. Swap one base URL.
import OpenAI from "openai"

const client = new OpenAI({
  baseURL: "https://api.butterkey.ai/v1",  // one endpoint
  apiKey: process.env.BUTTERKEY_API_KEY   // one key
})

// any model, as provider/model
await client.chat.completions.create({
  model: "anthropic/claude-opus-4.6",  // or openai/gpt-4o, google/gemini-2.5-flash
  messages
})

Move your OpenAI, Anthropic, and Gemini calls over with a single base URL swap, and start saving money.

0
Model catalog

Every model, in one place

Unified access to every major model through one API. From the latest language models to image and video generation, call any of them through the same key.

TextImageVideoAudio

New models are added as they launch, with pricing that adjusts as providers update. Additional models are available on request.

Why ButterKey

The AI gateway for enterprise

One key to every model, at up to 30 percent below official rates, with enterprise grade security and data controls, built for startups and enterprises.

One key for any model

Access every major AI model across text, image, and video through a single unified key.

First party access

Direct, officially sourced connections to each provider, with the same speed and stability as going direct.

Lower cost, same quality

Save up to 30 percent below official rates, with full model quality and no throttling.

Pay as you go

Simply top up and pay only for what you use. No contracts, no minimums, and no lock in, at any scale.

Full usage visibility

Monitor usage, cost, and spend across every model from a single dashboard.

Reliable at scale

Stable, resilient infrastructure that sustains high concurrency and thousands of parallel requests in production, with no throttling.

Data privacy and control

Enterprise data handling with clear privacy controls, so your prompts and keys go only where you intend.

Dedicated support

A specialist support team that knows the platform, available from first test to full production.

Team collab

Shared access, per member keys, and role based controls, so teams collaborate without sharing credentials.

How it works

From first test to full scale

A quick conversation, pricing built around your usage, and a chance to test before you commit.

01

Talk to us

Tell us which models you use and roughly how much. We will put together a discount offer based on your actual usage.

02

Test it out

Try ButterKey with your own workloads and see the quality, speed, and savings for yourself.

03

Scale with confidence

Once you are happy, roll out across your team and scale up anytime, with pricing that grows with you.

A dedicated tech support team is with you at every step, from your first test to production at scale.
Request access

Get started with ButterKey.

Tell us a little about your needs and we will get you set up. Bigger team or custom requirements? Talk to Sales.

  • A discount offer based on your actual usage.
  • Test with your own workloads before you commit.
  • A dedicated support team from day one.

Bigger team or custom requirements? Talk to Sales.