Azure OpenAI vs Vertex AI
Azure OpenAI and Vertex AI are both AI Platforms tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Azure OpenAI | Vertex AI |
|---|---|---|
| Vendor | Microsoft | Google Cloud |
| Rating | ★ 4.3 | ★ 4.5 |
| Pricing | Paid | Pay-as-you-go |
| Platforms | API, Web | GCP Console, API, SDK |
| Key features | Enterprise security and compliance, Regional model availability, Private networking | Gemini and third-party models on one platform, Tuning and distillation jobs, Vertex Search / RAG tooling |
| Headquarters | Redmond, USA | Mountain View, USA |
| Founded | 2023 | 2021 |
| Open source | No | No |
Key differences
- Vertex AI has a higher user rating (4.5★ vs 4.3★).
- Azure OpenAI is Paid, while Vertex AI is Pay-as-you-go.
- Azure OpenAI runs on API, Web; Vertex AI runs on GCP Console, API, SDK.
Frequently asked questions
Is Azure OpenAI or Vertex AI better?
By user rating, Vertex AI scores higher (4.5★ vs 4.3★). Both are capable AI Platforms tools, so review the feature comparison for your use case.
Which is cheaper, Azure OpenAI or Vertex AI?
Azure OpenAI is Paid and Vertex AI is Pay-as-you-go. Check each product page for current plan details.
Are Azure OpenAI and Vertex AI open source?
No — neither Azure OpenAI nor Vertex AI is open source.