Large language models Products

An open-source framework released in October 2022 that lets developers connect large language models to data, APIs and other tools by composing them into chains and agents.

Google's consumer AI assistant, announced as Bard in 2023 and renamed Gemini in 2024. It is where ordinary users meet Google's Gemini models, first as a chat box and later through voice, research agents and subscriptions.

vLLM is an open-source serving system for large language models, built on PagedAttention, which manages the KV cache the way an operating system manages virtual memory. It reports 2-4x higher throughput than earlier serving systems at the same latency.

llama.cpp is an open-source inference engine written in C/C++ that runs large language models on consumer hardware. Created by Georgi Gerganov in March 2023, it helped make local model inference common and popularized the GGUF model file format.

A crowdsourced benchmark in which anonymous pairs of language models battle and users vote, producing an Elo leaderboard; launched in 2023 and relaunched as LMArena in 2025.

Claude apps (claude.ai) are Anthropic's chat assistant for consumers and businesses. The public beta opened with Claude 2 in 2023, and the apps have since added paid plans, Projects, web search and Research.

LlamaIndex is an open-source Python library for building retrieval-augmented generation applications and AI agents on top of large language models. It began in late 2022 as one engineer's small indexing utility, GPT Tree Index.

Perplexity is an AI answer engine launched on 7 December 2022. It answers questions in natural language and cites its web sources, and it later added Deep Research, finance and shopping features and agents.

A public Hugging Face leaderboard that ran a fixed set of benchmarks on open language models in one identical setup, from 2023 to 2025, so their scores could be reproduced and compared.

OpenRouter is a marketplace and gateway for large language models, started in early 2023, that lets developers reach hundreds of models from many providers through one interface. It reports more than 10 million users and a $113 million Series B.

Microsoft Copilot is the company's AI chatbot and assistant, which started in 2023 as Bing Chat and became a single consumer and business AI brand that now includes in-house models.

Microsoft 365 Copilot is Microsoft's AI assistant for Word, Excel, PowerPoint, Outlook and Teams, which pairs large language models with a customer's business data.

ERNIE Bot (文心一言) is Baidu's chatbot, first released to invited testers in March 2023 and opened to the public that August. It has been offered in free and paid tiers and renamed Wenxiaoyan in 2024.

An open-source autonomous agent released in March 2023 that uses OpenAI's large language models, such as GPT-4, to break a user's goal into sub-tasks and carry them out with tools like web browsing.

The Qwen app is Alibaba's consumer chatbot built on its Qwen models. It began as a beta of Tongyi Qianwen in April 2023 and has since added app integrations and reached 234 million users by May 2026.

Ollama is an open-source tool written in Go that lets people pull and run large language models locally on macOS, Linux and Windows, from a command line interface or a local REST API.

A Google research and note-taking tool that answers only from the sources a user supplies and cites the passages it used. Launched in 2023 under the name Project Tailwind, it became widely known for turning documents into podcast-style Audio Overviews.

GGUF is a binary file format introduced in 2023 by the llama.cpp project that packs model tensors and metadata into a single file, and is widely used for distributing quantized language models for local inference.

Doubao is ByteDance's AI chatbot, opened for invitation testing in August 2023 and later offering text, image and voice generation, AI search and video generation.[^1][^2]

AutoGen is a Microsoft framework for building AI agents and applications, in which customizable, conversable agents combine large language models, human input and tools. It was introduced in an arXiv paper submitted on 16 August 2023.

Meta AI is Meta's conversational assistant, introduced in US beta in September 2023 on WhatsApp, Messenger and Instagram. It was rebuilt on Llama 3 in 2024 and on Muse Spark in 2026.

Kimi is an AI chatbot from Moonshot AI, released in October 2023 and opened to the public the following month. It is known for very long context windows and has since added search, agent and coding features.

DSPy is a programming model that represents language-model pipelines as graphs of declarative modules and uses a compiler to optimize them against a chosen metric.

TensorRT-LLM is NVIDIA's open-source library for speeding up and optimizing large language model inference on NVIDIA GPUs, publicly released on 19 October 2023 and usable free from GitHub or as part of NVIDIA NeMo.

CrewAI is an open-source Python framework for building groups of collaborating AI agents, created by João Moura in late 2023 and backed by $18 million in funding.

Grok is the chatbot from xAI, first offered in November 2023 to a small waitlist of US users. It has grown into a family of apps and models covering search, images, video and coding agents.

SGLang is an open-source system for running complex language model programs: a frontend language plus a runtime that reuses cached attention state and speeds up structured output, reporting up to 6.4x higher throughput than prior inference systems.

Le Chat is Mistral AI's assistant, launched in beta on 26 February 2024. It gained web search, a Pro tier, Deep Research and other features over 2024 and 2025, and on 28 May 2026 it was merged into the Vibe agent.

AI Overviews are AI-written summaries placed at the top of Google Search results, launched across the US in May 2024 and later joined by AI Mode, a separate search experiment. They became one of the most widely used consumer applications of generative AI.

Tencent Yuanbao is an AI assistant app from Tencent, launched on 30 May 2024, that runs on its Hunyuan models and later integrated DeepSeek-R1, HY 2.0 and Hy3.

Apple Intelligence is Apple's personal-intelligence system, announced at WWDC on 10 June 2024 for iOS 18, iPadOS 18 and macOS Sequoia. It runs models on device and uses Private Cloud Compute for larger requests.

Lovable turns a plain-language description into a full-stack web application, aimed at people who cannot code. Launched in November 2024, it grew quickly in users and raised several large funding rounds at rising valuations.

The DeepSeek app is the company's official free chatbot, offered on the web and as mobile apps since 15 January 2025. It topped the U.S. App Store in late January 2025.

Alexa+ is Amazon's next-generation Alexa assistant, rebuilt on generative AI and introduced in February 2025. It costs $19.99 a month, is free for Prime members and can book services, order groceries and control smart-home devices.

OpenAI's open-source toolkit for building multi-agent applications, released in March 2025 with configurable agents, handoffs, guardrails and tracing; it succeeds the experimental Swarm SDK and works with OpenAI and third-party models.

Transformers is an open-source Python library that offers pretrained Transformer models through one unified API. Its paper was posted to arXiv on 9 October 2019, and the first v5 release candidate came in December 2025.

Epoch AI's Benchmarking Hub collects benchmark results for leading AI models, including Epoch-run evaluations, and combines many scores into the Epoch Capabilities Index, a single general capability scale.

XiaoIce was a Microsoft chatbot released in May 2014 that users added to WeChat group chats for reminders, lookups, weather and jokes. It drew large crowds, then was banned by WeChat three days later for breaking platform rules.

The consumer chat product of Zhipu AI, launched as ChatGLM in 2023 and later renamed GLM. It is the web entry point where new Zhipu models such as GLM-5.1 reach ordinary users.

SenseChat is SenseTime's conversational AI product, launched on 10 April 2023 as part of the SenseNova model family with more than 100 billion parameters, first offered to government and corporate clients and later expanded through the V4 and SenseNova V6 releases.

HuggingChat is a free chatbot launched by Hugging Face on 25 April 2023 as an open-source alternative to ChatGPT. It initially ran the volunteer Open Assistant model and let users switch among open models.

Pi is a chatbot launched by Inflection AI on 2 May 2023, named for "Personal Intelligence" and presented as a personal, conversational companion. Most of Inflection's staff, including two co-founders, moved to Microsoft in March 2024.

Vercel's AI SDK is a TypeScript toolkit that gives developers one interface for many AI model providers, framework-agnostic hooks for chat interfaces, and a uniform way to run agent harnesses.

Cohere North is an enterprise AI workspace that combines large language models, search and AI agents. It opened to early-access users in January 2025 and became generally available in August 2025.

Tinker is a managed API from Thinking Machines Lab, announced on 1 October 2025, for fine-tuning language models while users choose the algorithms and data.

LM Studio is a closed-source desktop app for macOS, Windows and Linux that lets people download, run and chat with large language models entirely on their own computer, and serves them to other software through OpenAI-compatible local endpoints.

Yuewen is StepFun's AI assistant app, fully opened in March 2024, which reads text, data and charts in images and handles content creation, reasoning and analysis. In December 2024 its team absorbed the Maopaoya team, and the product was later renamed Step AI.

Wanzhi is a free bilingual AI productivity workspace released by 01.AI in May 2024 for the web and as a WeChat mini program; the name later extended to an enterprise large-model platform.

Baixiaoying is Baichuan's first AI assistant app, launched on 22 May 2024 and powered by its Baichuan 4 model. It is built around search, including multi-round search, and document reading, and Baichuan has framed it as a step towards an AI "super app".