Sonnet Code
Platform · LLM & AI

Work with senior OpenAI API engineers.

OpenAI API engineers who ship production systems, not pitch decks.

We build production OpenAI API systems for US product teams every week. Senior engineers, aligned with your timezone, embedded in your process. We write OpenAI API the way your team will still want to read it next year.

Let's talk

Jump-start your OpenAI API

Tell us a bit about what you're building. We reply within one business day.

By submitting this form you agree to our privacy policy. No spam, no sharing.
OpenAI API in production
Why Sonnet Code for OpenAI API

The bar we hold ourselves to.

Senior only

Every engineer we put on your work has 5+ years shipping production code. No rotations out, no bait-and-switch.

Measured, not promised

Performance budgets, observability, and evaluation metrics are part of the build — not things we add after you ask.

Honest scoping

We'll tell you when this is the wrong tool for the job. The fastest way to lose a client is to ship the wrong thing.

What we build with OpenAI API

OpenAI API work, shipped.

New OpenAI API systems

Greenfield OpenAI API services architected for the three-year horizon — proper boundaries, tests, and documentation from day one.

OpenAI API modernization

Incremental migration from legacy systems, using the strangler-fig pattern so you never bet the farm on a single cutover.

OpenAI API scaling

Taking an existing OpenAI API codebase from working-for-10k-users to working-for-10M-users, without a full rewrite.

OpenAI API team augmentation

Senior OpenAI API engineers embedded in your team, shipping alongside your engineers with the same standards and PR process.

Ready to get started with OpenAI API? Fifteen minutes is all it takes.