Best AI tools for Large Language Models (LLMs) in 2025

ChatGPT is an advanced AI-powered chatbot developed by OpenAI that uses natural language processing to engage in human-like conversations and assist with a wide range of tasks.

SearchGPT is an AI-powered search prototype by OpenAI that provides fast, conversational answers with clear sources using GPT models.

OpenAI is a leading artificial intelligence research company developing advanced AI models and technologies to benefit humanity.

OpenAI o3 is a next-generation AI reasoning model with enhanced capabilities in coding, mathematics, and problem-solving that achieves breakthrough performance on advanced benchmarks while prioritizing safety through deliberative alignment.

Skywork R1V is the first industry open-sourced multimodal reasoning model with advanced visual chain-of-thought capabilities that enables complex visual-language understanding and logical inference.

ContextGem is a free, open-source LLM framework that simplifies structured data and insights extraction from documents with minimal code through powerful built-in abstractions and automated features.

AI CLI is an open-source command-line interface tool that brings AI capabilities directly to your terminal, allowing you to interact with various AI models like OpenAI's GPT and Anthropic's Claude through simple commands.

UFO² is Microsoft's next-generation Desktop AgentOS that transforms natural-language requests into automatic, reliable, multi-application workflows on Windows, combining UI automation, native API integration, and multi-agent coordination.

VoltAgent is an open-source TypeScript framework that provides modular building blocks and built-in observability for creating and orchestrating AI agents, bridging the gap between no-code limitations and from-scratch complexity.

DeepSeek-R1 is a cutting-edge open-source reasoning model that rivals OpenAI's o1 in mathematical, coding, and logical tasks, leveraging breakthrough reinforcement learning technology with distilled variants for enhanced accessibility.

Gemini is Google's most advanced and capable multimodal AI model family that can seamlessly understand and reason across text, images, video, audio, and code to power various AI applications and services.

Grok 3 is xAI's latest and most powerful AI model that combines advanced reasoning capabilities, real-time data analysis, and multimodal features while being reportedly 10-15 times more powerful than its predecessor.