Best AI API & Infrastructure Tools in 2026

AI model hosting, API platforms, and ML infrastructure tools.

13 tools reviewedLast updated: March 2026

13 tools in AI API & Infrastructure

Fireworks AI

Fireworks AI

Fast, affordable, customizable generative AI platform for developers and enterprises.

5.0
View details
LiteLLM

LiteLLM

LLM gateway for unified access, cost tracking, and fallbacks across 100+ language models.

View details
Haystack

Haystack

Open-source framework for building NLP-powered search and question-answering systems.

View details
Ragas

Ragas

The open‑source framework for evaluating and monitoring LLM applications.

View details
Baseten

Baseten

The platform for mission-critical AI inference.

View details
Replicate

Replicate

Run AI with an API.

View details
Modal

Modal

AI-infrastructure that developers love — run inference, training, and batch processing with sub-second cold starts and instant autoscaling.

View details
Gemini API

Gemini API

Google's advanced generative AI API for multimodal content and reasoning tasks.

View details
Lapis

Lapis

AI-powered search analytics platform to optimize website visibility for AI search engines.

View details
Unsiloed AI

Unsiloed AI

API for parsing multimodal unstructured data.

View details
TensorFlow

TensorFlow

An end-to-end open source machine learning platform.

View details
GPT Pilot

GPT Pilot

The first real AI developer

View details
Pinokio

Pinokio

An AI browser that lets you install, run, and automate any AI application with a single click.

View details

Related Categories

AI Agents & AutomationAI Email WritersAI Animation ToolsAI Dev Tools & CodingAI Code AssistantsAI Chatbots & Companions

Frequently Asked Questions about AI API & Infrastructure Tools

Get answers to the most common questions about these tools

AI API & Infrastructure tools are software applications designed to help users with ai api & infrastructure-related tasks. They range from simple utilities to comprehensive platforms with advanced features. ToolJunction currently tracks 13 ai api & infrastructure tools to help you find the right one for your needs.
Based on our editorial reviews, the top ai api & infrastructure tools include Fireworks AI, LiteLLM, Haystack, Ragas, Baseten. Each tool has been evaluated on features, pricing, ease of use, and user feedback.
When selecting a ai api & infrastructure tool, consider your specific use case, budget, team size, and required integrations. Look at the editor ratings, compare pricing plans, and read the feature breakdowns on each tool's page. Starting with a free trial is often the best approach before committing to a paid plan.

Explore More Tool Categories

Discover other categories of tools that can complement your workflow.

AI Agents & Automation
AI Email Writers
AI Animation Tools
AI Dev Tools & Coding
AI Code Assistants
AI Chatbots & Companions
AI Email Marketing
AI Avatar & Face Swap
Best AI API & Infrastructure Tools 2026 - Compare 13 Tools | ToolJunction