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AI inference API

Inference, turned up to eleven.

Two models, one API, honest per-token pricing. Start with free credits; commit when you're ready.

Base Eleven is a fictional company, built as a hands-on RevOps practice project. Every name, number and logo here is synthetic.

Tour

See it run

Create a key, make a first call, compare the models side by side, then watch the usage page catch up.

A short tour of the Base Eleven API
Models

Two models, one API

One API for fast, affordable model inference: pay as you go on a card, or commit for a discount and priority throughput.

Eleven Lite

Simulated

eleven-lite

Input
$2.00 per million tokens
Output
$10.00 per million tokens
First token
about 150 ms
Speed
120 tokens a second
Context
32,000 tokens
Max output
1,024 tokens

Eleven Max

Simulated

eleven-max

Input
$4.00 per million tokens
Output
$20.00 per million tokens
First token
about 600 ms
Speed
40 tokens a second
Context
128,000 tokens
Max output
4,096 tokens

A typical call, 300 tokens in and 400 out, costs $0.0046 on Eleven Lite.

Pricing

Pick how you buy

Free trial

$5 of usage at list prices, for 14 days; no card

Pay as you go

A card on file, billed monthly in arrears at list prices

Enterprise

Prepaid credits at up to 30% off list, drawn down per token

Solutions

For the people who sign off

AI Spend

A workspace spend cap and a usage page that updates in minutes.

Read more

AI at Scale

Throughput tiers that rise with your spend, up to tier eleven.

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AI Compliance

Audit logs of every key and admin action, SSO on request, and no training on your data.

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Start

A key and a first call in minutes