Free AI tools
Genuinely free — no trial that expires, no card up front. Some are open source, some are free tiers a company funds deliberately. Both count; neither is a fourteen-day countdown.
15 tools · checked by hand · no paid placement in this list
Aider
Free
Pair programming in your terminal that commits as it goes.
Answer Socrates
Free
Surfaces the questions people actually search in your niche.
AutoGen
Free
Microsoft's framework for conversations between multiple agents.
ComfyUI
Free
Node-based interface for building image pipelines you fully control.
Continue
Free
Open-source IDE assistant you point at any model, including local.
HuggingChat
Free
Free chat interface over open-weight models, no account needed.
Khroma
Free
Learns which colours you like and generates palettes from that.
LM Studio
Free
Desktop app for downloading and chatting with local models.
Meta AI
Free
Llama-powered assistant inside WhatsApp, Instagram and Messenger.
Ollama
Free
Run open-weight models locally with one command.
ResearchRabbit
Free
Maps citation networks so you can see a field's shape.
Stable Diffusion
Free
Open-weight image models you can run on your own hardware.
Upscayl
Free
Free desktop upscaler that runs entirely offline.
vLLM
Free
High-throughput inference server for self-hosting open models.
Whisper
Free
OpenAI's open-source speech recognition, strong across accents.
At a glance
| Tool | Pricing | Best known for |
|---|---|---|
| Aider | Free | Pair programming in your terminal that commits as it goes. |
| Answer Socrates | Free | Surfaces the questions people actually search in your niche. |
| AutoGen | Free | Microsoft's framework for conversations between multiple agents. |
| ComfyUI | Free | Node-based interface for building image pipelines you fully control. |
| Continue | Free | Open-source IDE assistant you point at any model, including local. |
| HuggingChat | Free | Free chat interface over open-weight models, no account needed. |
| Khroma | Free | Learns which colours you like and generates palettes from that. |
| LM Studio | Free | Desktop app for downloading and chatting with local models. |
| Meta AI | Free | Llama-powered assistant inside WhatsApp, Instagram and Messenger. |
| Ollama | Free | Run open-weight models locally with one command. |
| ResearchRabbit | Free | Maps citation networks so you can see a field's shape. |
| Stable Diffusion | Free | Open-weight image models you can run on your own hardware. |
| Upscayl | Free | Free desktop upscaler that runs entirely offline. |
| vLLM | Free | High-throughput inference server for self-hosting open models. |
| Whisper | Free | OpenAI's open-source speech recognition, strong across accents. |
Still deciding?
This list is editorial — placement in it cannot be bought. Pricing models change; confirm on the vendor's own site. Some outbound links earn a commission, which never affects what appears here. See the disclosure.