Best Vertex AI Alternatives in 2026
We've reviewed and compared 10 alternatives to Vertex AI in the AI API & Infrastructure category. The highest-rated alternative is Fireworks AI with an editor rating of 5.0/5. Fireworks AI offers a free plan as an alternative to Vertex AI. Popular alternatives include Fireworks AI, Modal, Ragas, and 2 more.
Fireworks AI
Fast, affordable, customizable generative AI platform for developers and enterprises.
AI Project Management
Modal
AI-infrastructure that developers love — run inference, training, and batch processing with sub-second cold starts and instant autoscaling.
AI API & Infrastructure
Ragas
The open‑source framework for evaluating and monitoring LLM applications.
AI API & Infrastructure
Haystack
Open-source framework for building NLP-powered search and question-answering systems.
AI API & Infrastructure
Baseten
The platform for mission-critical AI inference.
AI API & Infrastructure
Gemini API
Google's advanced generative AI API for multimodal content and reasoning tasks.
AI API & Infrastructure
Unsiloed AI
API for parsing multimodal unstructured data.
AI API & Infrastructure
TensorFlow
An end-to-end open source machine learning platform.
AI API & Infrastructure
Lapis
AI-powered search analytics platform to optimize website visibility for AI search engines.
AI API & Infrastructure
Replicate
Run AI with an API.
AI API & InfrastructureFrequently Asked Questions
What are the best Vertex AI alternatives?
The top alternatives to Vertex AI include Fireworks AI, Modal, Ragas, Haystack, Baseten. Each tool has been reviewed for features, pricing, and ease of use.
Is there a free alternative to Vertex AI?
Yes, Fireworks AI offer free plans as alternatives to Vertex AI.
How do I choose the right Vertex AI alternative?
Consider your specific use case, budget, team size, and required integrations. Compare features and pricing on each tool's page, and look for free trials before committing.