AI Orbit A2Z Logo
19 companies · 4 regions

Every AI model, explained

GPT, Claude, Gemini, Llama, Mistral, DeepSeek, Qwen, Kimi… Understand what each company’s models do, which one to use, how to access them — and what to know about data and privacy in your region.

🇺🇸 United States

The largest AI labs and the most widely used assistants.

United States

OpenAI

OpenAI makes ChatGPT and offers its models to developers through an API. Its line-up spans flagship GPT models with built-in reasoning, smaller low-cost versions, open-weight models, and dedicated image, video and audio models.

GPT flagship modelsGPT mini & nano sizeso-series reasoning modelsgpt-oss

8 model families

United States

Anthropic (Claude)

Anthropic builds the Claude family of AI models, known for careful writing, long-document understanding, strong coding and a focus on safety. Models come in three tiers — Opus, Sonnet and Haiku — refreshed in new generations.

Claude OpusClaude SonnetClaude HaikuExtended thinking

5 model families

United States

Google (Gemini)

Google’s AI models are built largely by Google DeepMind, headquartered in London. Gemini powers Google’s assistant and Workspace; Gemma is its open-weight family; Imagen, Veo and Lyria cover images, video and music.

Gemini ProGemini Flash & Flash-LiteGemini NanoGemma

7 model families

United States

Meta (Llama)

Meta releases the Llama family as open-weight models that anyone can download under Meta’s licence, and uses them in the Meta AI assistant across WhatsApp, Instagram and Facebook.

Llama (large)Llama (small)Llama vision / multimodalMeta AI

4 model families

United States

xAI (Grok)

xAI builds Grok, an assistant integrated with the X (Twitter) platform and available as a standalone app, with access to real-time posts on X.

GrokGrok mini / fast versionsGrok image generation

3 model families

United States

Microsoft (Copilot & Phi)

Microsoft brings AI to Windows and Microsoft 365 through Copilot, builds its own compact Phi models, and offers many companies’ models to businesses through Azure.

CopilotPhiAzure AI Foundry catalogue

3 model families

🇪🇺 Europe & 🇬🇧 UK

European AI companies — GDPR, the EU AI Act and data sovereignty built in.

🇨🇳 China

Fast-moving labs with many powerful open-weight models.

China

DeepSeek

Hangzhou-based DeepSeek became famous for high-performing, low-cost models released with open weights. Its models power the free DeepSeek chat app and a low-price API.

DeepSeek-V seriesDeepSeek-R1 (reasoning)R1 distilled modelsDeepSeek Coder

4 model families

China

Alibaba (Qwen)

Alibaba Cloud’s Qwen team releases one of the largest families of open-weight models, from tiny models for phones to large cloud models, plus vision, audio, coding and video models.

Qwen (general)Qwen CoderQwen-VLQwen-Omni / Audio

5 model families

China

Moonshot AI (Kimi)

Beijing-based Moonshot AI makes Kimi, an assistant known for long-context reading and research, and has released large open-weight models designed for agentic tasks.

Kimi K2Kimi thinking modelsKimi assistant

3 model families

China

Zhipu AI (GLM)

Beijing’s Zhipu AI (also known internationally as Z.ai), a spin-off from Tsinghua University research, develops the GLM family, several of which are released with open weights.

GLM (general / reasoning)GLM vision models

2 model families

China

MiniMax (Hailuo)

Shanghai-based MiniMax builds language models, the popular Hailuo AI video generator, and speech models used in voice apps.

MiniMax LLMsHailuo videoSpeech models

3 model families

China

ByteDance (Doubao / Seed)

ByteDance, the company behind TikTok and CapCut, develops the Doubao assistant (hugely popular in China) and the Seed family of language, image and video models.

Doubao / Seed LLMsSeedreamSeedance

3 model families

🌍 Rest of the world

Enterprise and multilingual models from Canada, the Middle East and beyond.