AI Tool WatchCan ChatGPT Write and Explain?
Yes — available on the free plan
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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.
| Plan | Available | Notes |
|---|---|---|
| Free | ✓ | |
| Go | ✓ | |
| Plus | ✓ | |
| Pro | ✓ | |
| Team | ✓ | |
| Enterprise | ✓ |
Available on: Windows macOS iOS Android web API
Verified: 2026-03-21
Sources: https://chatgpt.com, https://chatgpt.com/pricing, https://openai.com/index/introducing-gpt-5-4/
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