API Pricing

Simple, transparent pricing

Pay only for what you use. No minimum commitment, no hidden fees. All models, one price.

All models, one price

The same rate applies to Omega, Prism, and Lambda. No model-tier pricing. No surprises.

£0.50per million input tokens
£1.50per million output tokens

One token is roughly three-quarters of a word. A typical chat message of 100 words is about 130 tokens.

Top up your token balance

Prepaid token packs. Buy once, use until depleted. No expiry, no subscription.

£10500K tokensBuy
£251.5M tokensBuy
£503.5M tokensBuy
£1008M tokensBuy

Estimate your monthly cost

How much will it cost?

Estimated monthly cost: £0.00

Assumes 30 days per month and ~1.33 tokens per word. Actual cost depends on the specific content. This calculator runs entirely in your browser; nothing is sent to our servers.

Unlike other providers, your usage data is not analysed for billing optimisation, upselling, or any purpose beyond counting tokens. We count the tokens, bill the amount, and discard the request data.

Prepaid balance

API usage is deducted from your prepaid token balance. Top up with token packs at any time. Your balance is visible in your account dashboard.

Subscription plans (Personal, Professional, Team, Practice, Enterprise) include a monthly token allowance. API usage on these plans counts against the same allowance. View all plans →

Volume pricing

For high-volume or enterprise usage, contact us at [email protected] for custom rates.

Start building

Create a free account and make your first API call. No card required.

Create a free account and copy your key →

API reference · Models · Quickstart · Changelog