Gemini – Google's model family explained
Gemini is Google DeepMind's frontier model family, launched in December 2023 and folded into the Bard-turned-Gemini consumer app in early 2024. It spans four tiers – Ultra, Pro,…
Foundation models – the substrate beneath everything
Frontier model families from OpenAI, Anthropic, Google DeepMind, Meta, xAI and the leading open-weight labs. The architectures, the benchmarks, the corporate strategy, and what each model actually changes downstream.
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Major labs & flagship models
OpenAI, Anthropic, Google DeepMind, Meta AI, xAI – and the model families they ship.
How to use ChatGPT – effective prompting
Most guides to ChatGPT teach you which buttons to press. The harder question, and the one that separates a frustrating tool from a genuinely useful one, is what the system is…
Mistral AI – the European open model lab
Mistral AI is the most credible independent AI lab based in Europe, and it has built its reputation on a hybrid strategy that few of its larger rivals have matched: release…
DeepSeek – the open reasoning model lab
DeepSeek is a Chinese AI lab, founded in 2023 and based in Hangzhou, that released an open-weight reasoning model called DeepSeek-R1 in January 2025 and claimed it was trained for…
ChatGPT Voice Mode explained
When you tap the waveform icon in the ChatGPT app and start talking, you are using the closest thing the mainstream market has produced to a digital human you can hold a…
Grok – xAI model family analysis
Grok is xAI's family of large language models, built by the company Elon Musk founded in 2023 after his public break with . As of early 2026 the flagship is Grok 4, a…
Claude – the model family explained
Claude is Anthropic's family of large language models, sold both as a consumer chatbot at claude.ai and as an API that runs on Anthropic's own platform, AWS Bedrock and Google…
Llama – Meta's open model family
Llama is Meta's family of open-weights large language models, first released in February 2023 and now the most widely deployed open model lineage in the world. Where the Meta AI…
Stable Diffusion – the open image model family
Stable Diffusion is a family of open-weights text-to-image models built on latent diffusion, first released in August 2022 and developed primarily by Stability AI alongside the…
Meta AI – company AI strategy and products
Meta AI is the artificial intelligence division of Meta Platforms, the parent company of Facebook, Instagram, WhatsApp and Reality Labs. Through 2025 it housed two distinct units…
GPT – what the acronym means and the architecture
GPT stands for Generative Pre-trained Transformer. Each word does specific work: generative because the model produces output rather than just classifying input; pre-trained…
OpenAI – the company, models, and ecosystem
OpenAI is the artificial intelligence research and deployment company behind ChatGPT, the GPT model family, the OpenAI API, Sora, Codex, and the gpt-image and Whisper lines.…
ChatGPT – the product, capabilities, and limits
ChatGPT is OpenAI's consumer-facing conversational AI product, distinct from the underlying GPT models and from the developer-facing OpenAI API. As of May 2026, it serves roughly…