AI Tool WatchWrite and Explain
Can produce useful written responses, explanations, summaries, and structured output.
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