Best free AI dev platforms

Every tool below has a genuine free tier. We rank them by our editorial rating so you can start without paying.

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Ollama

Dev platform

4.8

A tool to run open-source LLMs locally with one command — 160k+ GitHub stars.

Pros

✓ Local & private✓ One-command run✓ Rich models✓ Cross-platform

Cons

✗ Needs hardware✗ Technical✗ No cloud hosting

FreeFull review →

Hugging Face

Dev platform

4.8

The open-source community platform for AI models and datasets — the GitHub of machine learning.

Pros

✓ Massive models✓ Active community✓ Complete toolchain✓ Spaces demos

Cons

✗ Technical✗ Compute is paid✗ Onboarding curve

FreeFull review →

Open WebUI

Dev platform

4.7

A self-hosted open-source AI chat interface that connects to Ollama and other models.

Pros

✓ Open-source, self-hosted✓ Polished UI✓ Connects to Ollama✓ Rich plugins

Cons

✗ Needs self-deployment✗ Technical✗ No official cloud

FreeFull review →

Dify

Dev platform

4.6

An open-source LLM app platform with visual orchestration for agents, RAG and workflows.

Pros

✓ Open-source, self-hostable✓ Visual orchestration✓ RAG/Agent✓ Multiple models

Cons

✗ Self-hosting needs ops✗ Advanced features paid✗ Learning curve

FreeFull review →

n8n

Dev platform

4.6

An open-source workflow automation platform with AI nodes connecting hundreds of apps.

Pros

✓ Open-source, self-hostable✓ Huge integrations✓ AI nodes✓ Visual

Cons

✗ Complex flows need learning✗ Cloud is metered✗ Technical

FreeFull review →

LM Studio

Dev platform

4.6

A desktop app to discover, download and run open-source LLMs locally with a GUI.

Pros

✓ GUI✓ Local & private✓ Rich models✓ Local API

Cons

✗ Needs hardware✗ Technical✗ No cloud

FreeFull review →

LangChain

Dev platform

4.4

An open-source framework for building LLM apps, connecting models, tools and data.

Pros

✓ Huge ecosystem✓ Rich integrations✓ Active community✓ LangSmith observability

Cons

✗ Heavy abstractions✗ Fast-changing versions✗ Developer-oriented

FreeFull review →

Coze

Dev platform

4.4

ByteDance's AI agent development platform to build and publish bots and workflows with no code.

Pros

✓ No-code building✓ Rich plugins✓ Multi-channel publishing✓ Workflows

Cons

✗ Separate global/China versions✗ Advanced is paid✗ Limited complex logic

FreeFull review →