| Accenture | Partnership | ChatGPT Enterprise, AgentKit | 2025 |
| Accenture | Frontier Alliance | Frontier Alliance member | 2026 |
| PwC | Partnership+Investment | $1B, first reseller; extended into managed cyber defense | 2024 |
| BCG | Frontier Alliance | AI agent implementation | 2026 |
| McKinsey & Company | Frontier Alliance | Frontier Alliance | 2026 |
| Bain & Company | Partnership | Global alliance | 2023 |
| Capgemini | Frontier Alliance | Frontier Alliance | 2026 |
| Microsoft | Investment | $13B+ | 2019 |
| EY | Partnership | Enterprise AI transformation | 2026 |
| KPMG | Alliance | Elite partner; AI-native 'headless' enterprise workflows; Daybreak cyber partner (Aug 2026) | 2026 |
| Bain & Company | Alliance | Elite partner, top tier of the OpenAI Partner Network | 2026 |
| BCG | Alliance | Elite partner; multiyear Frontier Alliance expansion | 2026 |
| OpenAI Deployment Company | Ecosystem | Spun out with $4B initial capital and 19 partners | 2026 |
| Accenture | Alliance | Daybreak cyber partner; frontier cyber models for defenders | 2026 |
| Capgemini | Alliance | Daybreak cyber partner; frontier cyber models for defenders | 2026 |
| EY | Alliance | Daybreak cyber partner; frontier cyber models for defenders | 2026 |
| PwC | Alliance | Daybreak cyber partner; frontier cyber models for defenders | 2026 |
| IBM | Partnership | GPT-5.6 inside IBM Consulting enterprise AI delivery (Aug 2026) | 2026 |
| NVIDIA | Investment | Up to $100B strategic partnership; ~$105B financing backstop for the 4.25GW Ohio data centre (Aug 2026) | 2026 |