Five platforms. Every tool. Explained.

OpenAI is the company behind ChatGPT and the GPT series of models — the most widely adopted AI platform in the world. With hundreds of millions of weekly users, it spans consumer chat, creative tools, developer APIs, and enterprise deployment. For businesses, the combination of G…

• Largest AI ecosystem with the widest third-party integrations and plugin library
• GPT-5 and the o-series reasoning models lead general-purpose reasoning benchmarks

Anthropic is the AI safety company behind Claude — widely regarded as the best AI model for nuanced writing, careful reasoning, and long-document analysis. The current Claude 4 family (Opus, Sonnet, Haiku) leads independent benchmarks for reasoning, coding, and agentic task compl…

• Claude Opus 4 leads industry benchmarks for coding, reasoning, and long-horizon agentic work
• Claude Code turns plain-English instructions into shipped software — used by engineering teams worldwide

Google's Gemini platform is the most deeply integrated AI ecosystem for organisations already running Google Workspace. Gemini models power AI features across Gmail, Docs, Sheets, and Meet — as well as standalone research tools like NotebookLM and Deep Research. With a two-millio…

• Native integration with Google Workspace — Gmail, Docs, Sheets, Meet, and Drive
• 2M token context window in Gemini 2.5 Pro — process entire report libraries at once

Microsoft Copilot is the broadest enterprise AI deployment in the world — embedding AI directly into Word, Excel, Outlook, Teams, and PowerPoint for the 345 million people who use Microsoft 365. For development teams, GitHub Copilot is the market-leading AI coding assistant. Copi…

• Deepest integration with Microsoft 365 — AI in every app your team already uses daily
• GitHub Copilot is the market leader in AI-assisted software development

Perplexity AI is the fastest-growing AI research platform — a search engine rebuilt from the ground up around AI synthesis and real-time web access. Unlike other AI tools that rely on training data with a knowledge cutoff, Perplexity retrieves live information and presents it wit…

• Real-time web access with cited sources — no knowledge cutoff, no unverifiable claims
• Deep Research produces comprehensive autonomous research reports in minutes