Editorial suggestion — not a checked fact
Conversational AI assistant from OpenAI, currently powered by the GPT-6 Astra model family, with chat, coding, agents, and multimodal features.
Freemium
Use cases
- Drafting and editing text such as emails, articles, and summaries
- Programming assistance, from writing code to debugging
- Research, brainstorming, and multi-step agent tasks
Pricing: A free tier is available; ChatGPT Plus, Pro, Business, and Enterprise plans add newer models such as GPT-6 Astra, higher usage limits, and administrative controls.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Editorial suggestion — not a checked fact
Google's AI assistant, formerly Bard, integrated with Google services and powered by the Gemini 3.8 model family, including Gemini 3.8 Flash.
Freemium
Use cases
- Everyday questions grounded in Google's search index
- Drafting and summarizing inside Gmail and Google Docs
- Multimodal tasks that combine text, images, and code
Pricing: The standard Gemini assistant is free; paid Google AI plans unlock more capable Gemini 3.8 models, higher limits, and deeper Workspace integration.
Documentation ↗ · Sources
This record was last reviewed on 2026-10-12.
Listed together in guide “AI assistants and chatbots”
Conversational AI assistant from xAI, integrated with the X platform and offering real-time information, chat, and the Grok 4 model family.
Freemium
Use cases
- Following and summarizing current events and discussions on X
- General chat, writing, and coding help
- Research questions that benefit from up-to-date information
Pricing: Basic access is available to X users; X Premium and SuperGrok subscriptions raise usage limits and unlock newer Grok 4-class models.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-09.
Listed together in guide “AI assistants and chatbots”
Microsoft's AI assistant (formerly Bing Chat) for web search, writing, and image generation across Windows, Edge, and Microsoft 365.
Freemium
Use cases
- Search-style questions with sourced answers
- Drafting and rewriting text while browsing
- Generating images from text prompts
Pricing: Core Copilot features are free; Copilot Pro is a paid subscription that adds newer models, higher limits, and Microsoft 365 integration.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Related: shares the task Drafting and editing text
Platform for chatting with user-created AI characters and personalities.
Freemium
Use cases
- Entertainment and role-play conversations
- Language and interview practice partners
- Creative storytelling with characters
Pricing: A free tier is available; the c.ai+ subscription adds faster responses, priority access, and early features.
Sources
This record was last reviewed on 2026-09-10.
Related: shares the task Drafting and editing text
Zhipu AI's conversational assistant (Qingyan) built on the GLM family of models.
Freemium
Use cases
- Everyday Q&A and writing help in Chinese
- Summarizing and querying uploaded documents
- Drafting and explaining code
Pricing: The ChatGLM/Qingyan assistant is free for consumers, with paid tiers for advanced models; developers pay usage-based fees for the GLM API.
Sources
This record was last reviewed on 2026-09-10.
Related: shares the task Drafting and editing text
Conversational AI assistant from ByteDance offering chat, writing, and image generation.
Freemium
Use cases
- Everyday questions and writing help in Chinese
- Image generation in conversation
- Developer integrations through Volcano Engine
Pricing: Doubao's base assistant is free, with optional paid subscription tiers; API access is usage-priced through ByteDance's Volcano Engine.
Sources
This record was last reviewed on 2026-09-10.
Related: shares the task Drafting and editing text
Hugging Face's chat interface for open models, with an Omni mode that routes each prompt to a suitable open model.
Free
Use cases
- Trying open models without local setup
- Comparing responses across model families
- Self-hosting a private chat UI for open models
Pricing: HuggingChat is free to use with a Hugging Face account; paid Hugging Face subscriptions raise usage limits.
Sources
This record was last reviewed on 2026-09-10.