Hire OpenAI (GPT-5, GPT-4o) Developers in Toronto.
Hire senior OpenAI (GPT-5, GPT-4o) developers in Toronto. Origami is a New York-based product agency shipping ai for culture-forward brands, with senior engineers available for Toronto, ON clients on dedicated, T&M or build-your-team models.
Senior OpenAI (GPT-5, GPT-4o) engineers, embedded with your team in Toronto.
GPT-5, GPT-4o, embeddings, vision, voice and Realtime. We build OpenAI-powered features inside production apps — with token budgets, evals and graceful degradation. We work with Toronto-based product teams on ai engagements ranging from a single senior engineer to a dedicated cross-functional squad.
- Streaming responses with tool-calling
- RAG with OpenAI embeddings + pgvector
- Voice agents with the Realtime API
- Vision and document understanding
- Cost ceilings and rate-limit handling
- Offline + online evals via LangSmith / Braintrust
Frequently asked.
How quickly can Origami staff a OpenAI (GPT-5, GPT-4o) team for a Toronto client?+
Most engagements start within 2–3 weeks. Origami is senior-only — every OpenAI (GPT-5, GPT-4o) developer has shipped production apps, and we align to Toronto, ON working hours from our New York and Bengaluru offices.
What engagement models do you offer for hiring OpenAI (GPT-5, GPT-4o) developers?+
T&M, dedicated (monthly retainer), and build-your-team. All models come with a senior engineering manager, code reviews, sprint cadence and ownership of delivery.
Do you replace a bad-fit OpenAI (GPT-5, GPT-4o) developer at no cost?+
Yes. If a developer isn't right for the engagement in the first 30 days we swap them at no cost.
Where is Origami based?+
Head office at 641 Lexington Avenue, 14th Floor, New York, NY. Development centre in Bengaluru, India. We serve Toronto clients from both.
Ready to hire OpenAI (GPT-5, GPT-4o) developers in Toronto?