📖 The AI Tool Bible

Meta

Menlo Park, US· founded 2004· public· website ↗

Runs the largest open-weight LLM program in the world through the Llama series (3.1, 4). Also ships Movie Gen, Segment Anything, Emu, and consumer-facing Meta AI assistants across Instagram/WhatsApp/Facebook. Yann LeCun leads long-horizon research.

8 tools in the directory

LlamaIndex

Featured
RAG · BYO (Claude / GPT / open)
8.7

Data framework for connecting LLMs to your data.

Freemium· Free open-source; LlamaCloud paidRAGdata ingestion

Llama

Fine-tuning · Llama 4 (Maverick, Scout), Llama 3.3/3.2/3.1
8.3

Meta's open-weight LLM family covering 1B mobile models up to 405B frontier and natively multimodal 10M-context Llama 4 variants.

Freemium· Weights free under Llama Community License; partner API inference ~$0.19-$0.49 per 1M tokensself-hosted-llmfine-tuning

Llama 3

Writing · Llama 3 / 3.1 (8B, 70B, 405B)
8.3

Meta's open-weights LLM family that put serious frontier-adjacent models in everyone's hands.

Free· Weights free under Meta Llama Community License; inference cost via self-hosting or 3rd-party providerschatlong-context reasoning

Manus

Agents · Multi-model
7.9

Generalist agent for research, code, and web tasks.

Paid· Credit-based; tiers from $19/moresearchweb tasks

Meta AI

Writing · Llama (Meta's open-weight family)
7.9

Meta's free consumer AI assistant powered by the Llama family of open-weight models.

Free· Free consumer product; no paid tierchat-assistantwriting-help

LLaMA Factory

Fine-tuning · Multi-model (LLaMA, Mistral, Qwen, Gemma, Phi, LLaVA, ChatGLM, Yi)
7.2

Open-source, no-code WebUI for fine-tuning 100+ open LLMs with LoRA, QLoRA, DPO, and PPO.

Free· Free, open-source (Apache-2.0); self-hostedlora-fine-tuningqlora

Ollama

Coding · Multi-model (Llama, Qwen, Gemma, DeepSeek, Mistral, Phi, etc.)
7.2

The de facto runtime for running open-weights LLMs locally, now with a paid cloud tier for bigger models.

Freemium· Free local; Pro $20/mo; Max $100/molocal-llmself-hosted-inference

RAGs by LlamaIndex

RAG · Multi-model (OpenAI, Anthropic, Replicate, HuggingFace)
7.0

Open-source Streamlit app that builds a custom RAG pipeline from a natural-language brief.

Free· Free, MIT-licensed; bring your own model/API keysnatural-language-rag-builderdocument-qa