AI Tool WatchWrite and Explain
Can produce useful written responses, explanations, summaries, and structured output.
This page tracks AI tools that currently support write and explain. Unlike marketing claims, inclusion here requires verified functionality. As of May 2026, 6 products support this, and support has changed in recent months.
Definition
What counts
- core chat responses
- explanatory writing
- structured written answers
What doesn't count
- model entitlement with no distinct output behavior
- actions or tool use without a written result
Product Availability (6 products)
ChatGPT
Chat
ChatGPT's core text conversation is **available on all plans including free** at chatgpt.com, with apps for iOS, Android, Windows, and macOS. Free and Go users now get **GPT-5.4 Mini** (via the Thinking menu); Plus unlocks **GPT-5.4 Thinking**; Pro gets **GPT-5.4 Pro** with 1M context. **GPT-5.4 Nano** is **API-only** ($0.20/1M input tokens). GPT-5.2 Thinking moved to Legacy Models with a 90-day retirement window.
Access: free
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Go | ✓ | |
| Plus | ✓ | |
| Pro | ✓ | |
| Team | ✓ | |
| Enterprise | ✓ |
Surfaces: Windows macOS iOS Android web API
Verified: 2026-03-21
Claude
Chat
Claude's core text conversation is **available on all plans including free** at claude.ai, with apps for macOS, iOS, and Android plus desktop clients. The free tier includes Claude Sonnet 4.6 with usage caps; Pro and higher unlock Opus access and significantly higher limits.
Access: free
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Pro | ✓ | |
| Max 5x | ✓ | |
| Max 20x | ✓ | |
| Team | ✓ | |
| Enterprise | ✓ |
Surfaces: Windows macOS Linux iOS Android web API
Verified: 2026-03-20
Microsoft Copilot
Chat
Microsoft Copilot's core text chat is **free at copilot.microsoft.com** — no account required for basic access. Sign in with a Microsoft account for chat history, longer conversations, and voice. Native apps available on Windows, macOS, iOS, and Android.
Access: free
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Copilot Pro | ✓ | |
| M365 Copilot | ✓ |
Surfaces: Windows macOS iOS Android web
Verified: 2026-03-22
Gemini
Chat
Gemini's core text Q&A is **available for free** at gemini.google.com to anyone with a Google account, in 230+ countries on web and 150+ countries on mobile. Free tier uses **Gemini 3 Flash**; AI Pro and Ultra unlock **Gemini 3.1 Pro** with higher limits. **Gemini side panel now available in Chrome** (Jan 2026) with Auto Browse for AI Pro/Ultra subscribers.
Access: free
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Google AI Plus | ✓ | |
| Google AI Pro | ✓ | |
| Google AI Ultra | ✓ | |
| Workspace add-on | ✓ |
Surfaces: iOS Android Chrome web API
Verified: 2026-03-21
Grok
Grok Chat
Grok is xAI's chatbot, available through X (Twitter) or via grok.com. **No official desktop apps exist**—access is via web, iOS, or Android. **Free users get very limited access; Premium ($8/mo) unlocks regular use.** SuperGrok at $30/mo gets you the highest limits.
Access: paid
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Premium | ✓ | |
| Premium+ | ✓ | |
| SuperGrok | ✓ |
Surfaces: Windows macOS Linux iOS Android web API
Verified: 2026-03-24
Perplexity
Chat
Perplexity's core search-and-answer experience is **free with unlimited basic queries** at perplexity.ai, on iOS, Android, the web, a Chrome extension, and via the Comet desktop app. **Free users get full access to web-grounded Q&A**; Pro unlocks more powerful models and unlimited Pro searches.
Access: free
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Pro | ✓ | |
| Max | ✓ | |
| Enterprise Pro | ✓ |
Surfaces: Windows macOS iOS Android Chrome web API
Verified: 2026-03-07
Also Known As
AI chat, ask questions, explain things, write text, answer questions, AI writing