Gemini
GoogleGoogle's AI built into Workspace: very long context window, native multimodality and deep ties to Google services.
The best-known general-purpose AI assistant: writing, analysis, code, images and web search in a single interface.
Pricing
Freemium · from €23/mo
Platforms
Web, API, Mobile, Desktop
Publisher
Origin
United States · 2015
ChatGPT is the assistant that brought generative AI to the mainstream. It covers nearly every use case: writing and rephrasing, document analysis, code generation, image creation, real-time web search and agents that chain tasks together. Its ecosystem (custom GPTs, memory, mobile and desktop apps) makes it a Swiss army knife suited to the general public and teams alike.
€0
€23/month
€27/user/month
Here is a 20-page report. Summarize it into 10 key points ranked by importance, then list 3 risks and 3 opportunities it reveals. End with a one-paragraph summary for a busy executive.
You are a senior recruiter. Here is the job description [paste] and my resume [paste]. Simulate an interview: ask me 8 tough questions one at a time, wait for my answer, then give me constructive feedback after each one.
Other tools in the category conversational assistant.
Google's AI built into Workspace: very long context window, native multimodality and deep ties to Google services.
The French champion: strong open models, data hosted in Europe and a highly competitive API.
Anthropic's assistant, renowned for its writing quality, reasoning and coding abilities (Claude Code).
xAI's assistant with real-time access to X: irreverent tone, strong reasoning and live knowledge of what's happening.
Moonshot AI's assistant: open-weight K2 models with agentic skills and very long documents handled with ease.
The lab that shook the market: frontier-level open-weight models (MIT license) at a fraction of the usual cost.
Alibaba's open-weight model family: every size from mobile to server, Apache licensed, a favorite of the open source community.
Meta's open-weight family that started the movement: free to download, fine-tune and deploy on your own hardware.