Best API and Development AI Tools in 2026

APIs, SDKs, vector databases, and cloud platforms that let developers add AI capabilities to their own applications.

APIs, SDKs, vector databases, and cloud platforms that let developers add AI features to their own apps. If you’re building with AI, these are the building blocks you need.

19 tools found

Text and Writing Image Video Audio Code and Development Agent Platforms 3D and Avatars Productivity Business API and Development Data and Analytics Education Marketing and SEO Personal Assistants Design

OpenAI API

paid

API access to GPT models and DALL-E

development api code generation

Anthropic API

paid

API access to Claude models

development api

Google AI Studio

free

Google AI model playground and API

development api

Groq Cloud

freemium

Ultra-fast AI inference API

development api

Together AI

freemium

Cloud platform for open-source AI models

development api

Fireworks AI

freemium

Fast AI model inference API

development api

Anyscale

paid

Ray-based AI development platform

development api

Modal

freemium

Cloud platform for AI development

development api

Banana

paid

GPU cloud for AI model inference

development api

Vercel AI SDK

free

Open-source framework for building AI-powered apps

development api sdk

.cursorrules

freemium

AI development configuration platform

development coding

OpenRouter

freemium

Multi-model AI API gateway

development api

Pinecone

freemium

Vector database for AI applications

development database rag

Weaviate

free

Open-source vector database

development database rag

Chroma

free

Open-source embedding database

development database rag

Qdrant

freemium

Vector database with AI-powered search

development database rag

Milvus

free

Open-source vector database for AI

development database rag

Redis Stack

free

Vector search capabilities in Redis

development database rag

pgvector

free

Open-source vector extension for PostgreSQL

development database rag