LLMTools.in tracks the fastest-growing category in software. From frontier model APIs to production-grade agents, RAG pipelines to code assistants — we index what builders actually use.
"The LLM tools market is the fastest growing software category of the decade. The directory layer hasn't been built yet."
OpenAI's flagship conversational AI. Powers millions of workflows from customer support to code review. GPT-4o is the current frontier model.
Anthropic's AI assistant built for safety and helpfulness. Known for nuanced reasoning, long-context tasks, and exceptional coding ability.
Google DeepMind's flagship AI. Powers advanced reasoning, multimodal tasks, and deep integration across the entire Google Workspace ecosystem.
AI-first search engine that answers questions with sourced citations in real time. Pro tier unlocks file analysis and deeper research modes.
AI-powered search and assistant with customisable source filters. Strong for research, coding Q&A, and real-time information retrieval.
The AI-first code editor built on VS Code. Understands entire codebases, writes multi-file diffs, and applies suggestions inline as you type.
Microsoft's AI pair programmer. Autocompletes code, writes tests, explains functions, and integrates natively into VS Code, JetBrains and more.
Anthropic's agentic coding CLI. Understands large codebases, writes and executes code autonomously, and manages git workflows end-to-end.
One of the first autonomous AI agent frameworks. Give it a goal, it plans and executes multi-step tasks using tools, memory, and web access.
Framework for orchestrating teams of AI agents. Define roles, goals and tools — agents collaborate to complete complex multi-step tasks together.
Open-source workflow automation with native AI nodes. Connect LLMs to 400+ apps, build autonomous pipelines, and self-host for full data control.
AI writing platform for marketing teams. Generates blog posts, ad copy, social content, and brand voice-consistent assets at scale.
AI baked into Notion's workspace. Summarises pages, drafts documents, answers questions from your notes, and auto-fills databases intelligently.
The premium AI image generation platform. Produces photorealistic and artistic images from text prompts. Community runs on Discord with v6 as the latest model.
OpenAI's text-to-image model integrated into ChatGPT. Best-in-class at following complex, detailed prompts with accurate spatial composition.
Industry-leading voice AI. Clone any voice in seconds, generate lifelike speech in 30+ languages, and build production voice agents via the API.
OpenAI's open-source speech recognition model. Transcribes audio in 97 languages with high accuracy. The backbone of most transcription tools today.
The dominant framework for building LLM applications with chains, agents, memory, and retrieval-augmented generation. Python and JS SDKs available.
Data framework for connecting LLMs to enterprise knowledge bases. Excels at document ingestion, chunking, retrieval pipelines and structured query engines.
Managed vector database for production AI. Powers semantic search, recommendation engines, and long-term LLM memory at massive scale.
Ultra-fast LLM inference using custom LPU hardware. Runs Llama, Mistral, and Gemma at hundreds of tokens per second. Beloved by developers globally.
Run thousands of open-source ML models via a single API. Ideal for image generation, speech, embeddings and LLM fine-tunes at pay-per-run pricing.
Cloud platform for running and fine-tuning open-source LLMs. Competitive inference pricing, fast endpoints, and dedicated GPU clusters on demand.
The GitHub of AI. Hosts 500k+ models, datasets and Spaces. The hub for the open-source ML community, with hosted inference and fine-tuning APIs.
Open-weight frontier models with a strong API. Mistral Large rivals GPT-4 at lower cost. Popular with European enterprises for data sovereignty reasons.
Browser-based AI coding agent by StackBlitz. Builds full-stack apps from a single prompt and runs them live in the browser with zero setup required.
AI-native code editor by Codeium. Features Cascade — an agentic coding flow that plans, writes and debugs code autonomously across your entire codebase.
The large language model ecosystem is evolving faster than any directory can keep up. New tools ship daily. Categories that didn't exist 18 months ago are now billion-dollar markets. Developers, product teams, and enterprises all need a single, trustworthy place to understand what's available — and what's actually worth using.
LLMTools.in is built to be that place. We curate, not aggregate. Every tool listed here has been reviewed for legitimacy, active development, and genuine utility. We categorise by actual use case — not just what the marketing page says. Our goal is to be the reference layer that the LLM tools market has been missing.
LLMTools.in is an exact-match keyword domain in the fastest-growing software category. Whether you're building a tool directory, an AI media brand, or a developer platform — this domain anchors your brand immediately. Inquiries welcome.
Get in touch →Know an LLM tool that deserves to be listed? Submit it below. We review every submission and add qualifying tools within 7 days. Listing is always free — we don't accept paid placements.
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