📖 The AI Tool Bible

The comprehensive directory of AI tools

919 hand-curated tools across 10 categories — writing, coding, image, video, audio, agents, RAG, fine-tuning, eval, and MCP servers. Filter, compare, and pick what actually works.

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Categories

AI assistants for drafting, editing, and long-form content.

Pair programmers, autocompletes, and agentic code editors.

Image Generation

Text-to-image models, editors, and creative pipelines.

Text-to-video, avatars, and AI video editors.

Voice cloning, music generation, speech-to-text.

Autonomous and orchestrated multi-step AI workers.

Retrieval-augmented generation, vector stores, indexers.

Train and host custom models on your own data.

Observability, prompt testing, and quality scoring.

Model Context Protocol servers exposing tools, resources, and prompts to AI agents.

Featured

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Claude

Writing · Claude Opus / Sonnet

Anthropic's flagship assistant for long-form writing, analysis, and coding.

Freemium· Basic: $10 · Pro: $30 · Enterprise: $100long-form writingsummarization

Cursor

Coding · Claude / GPT (configurable)

AI-first VS Code fork — chat, edit, and agentic coding in one IDE.

Freemium· Hobby: Free · Individual: $20 / mo. · Teams: $40 / user / mo. · Enterprise: Customcodingrefactors

GPT-4o

Writing · GPT-4o

OpenAI's multimodal flagship behind ChatGPT.

Freemium· Basic: $10 · Pro: $30 · Enterprise: Contact salesgeneral writingsummarization

ElevenLabs

Audio · ElevenLabs Multilingual v2

The gold standard for AI voice cloning and TTS.

Freemium· Free: $0 · Starter: $6 · Creator: $11 · Pro: $99 · Scale: $299TTSvoice cloning

Midjourney

Image Generation · Midjourney v7

The gold standard for aesthetic AI image generation.

Paid· Basic: $20 · Pro: $50 · Enterprise: Contact salesillustrationconcept art

Suno

Audio · Suno v4

Text-to-song AI — full vocal tracks from a prompt.

Freemium· Free Plan: $0 · Pro Plan: $8 · Premier Plan: $24songwritingdemos

GitHub Copilot

Coding · GPT / Claude / OpenAI o-series (configurable)

The original AI pair programmer, now with chat and agents.

Paid· Free: $0 · Pro: $10 · Pro+: $39 · Max: $100autocompletechat

Flux

Image Generation · Flux.1 [schnell / dev / pro]

Black Forest Labs' open-weights image model — rivals Midjourney quality.

Freemium· FLUX.2 [max]: $0.07 · FLUX.2 [pro]: $0.03 · FLUX.2 [klein] 9B: $0.015 · FLUX.2 [klein] 4B: $0.014 · FLUX.2 [flex]: $0.05open sourceself-hosted

Recently added

Wan AI

Video · Wan 2.1 / Wan 2.2

Alibaba's generative video and image playground, wrapping the open Wan model family in a consumer web app.

Freemiumtext-to-videoimage-to-video

OpenCode

Coding · Multi-model (Claude, GPT, Gemini, local models, 75+ providers)

Open-source AI coding agent that runs in your terminal, IDE, or desktop and talks to 75+ LLM providers.

Freemium· Free and open source; optional paid Zen service for curated coding modelsai-pair-programmingterminal-coding-agent

DeepSeek

Coding · DeepSeek R1, V3, V2, Coder V2, VL

Chinese AI lab shipping open-weight reasoning models that punch well above their API price.

Freemium· deepseek-v4-flash: 0.02元 (缓存命中) / 1元 (缓存未命中) / 2元 (输出) · deepseek-v4-pro: 0.025元 (缓存命中) / 3元 (缓存未命中) / 6元 (输出)reasoningcode-generation

OpenHands

Agents · Multi-model (Claude, Gemini, GPT/Codex)

Open-source autonomous coding agent that plans, edits, and ships changes across real codebases.

Freemium· Open Source: Free · Individual: Free · Enterprise: Custom pricingautonomous-codingpr-review

Merlin AI

Writing · Multi-model (GPT-4o, Claude 3.7, Gemini 2.5, Llama 3.1, Mistral, Deepseek)

Browser-based multi-model AI assistant that puts GPT-4, Claude, and Gemini one keystroke away on any webpage.

Freemium· Basic: $10 · Pro: $30 · Enterprise: Contact saleswebpage-summarizationyoutube-summaries

gotoHuman

Human-in-the-loop review layer for AI agents and automated workflows.

Freemium· Free: $0 · Team: $99 · Growth: $350 · Business: $950human-in-the-loopagent-oversight