Claude Pro vs ChatGPT Plus
Anthropic$20per month
At least 5x the Free allowance per 5-hour session; paid plans add weekly caps on top; Claude apps and Claude Code draw from one shared pool; there is no fixed message count.
Full profile
OpenAI$20per month
Local messages per 5-hour window, published as estimates: GPT-6 Astra 5-45, GPT-6.1 Sol 15-160, GPT-6 Sol 15-150, GPT-6 Luna 350-3,000; weekly limits may also apply.
Full profileBoth cost $20/month.
Key differences
- Usage allowance
- Anthropic Claude Pro: At least 5x the Free allowance per 5-hour session; paid plans add weekly caps on top; Claude apps and Claude Code draw from one shared pool; there is no fixed message count. OpenAI ChatGPT Plus: Local messages per 5-hour window, published as estimates: GPT-6 Astra 5-45, GPT-6.1 Sol 15-160, GPT-6 Sol 15-150, GPT-6 Luna 350-3,000; weekly limits may also apply.
- Models
- The lineups do not overlap: Anthropic Claude Pro covers Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5, Claude Fable 5.1; OpenAI ChatGPT Plus covers GPT-6 Astra, GPT-6.1 Sol, GPT-6 Luna.
Full comparison
| Plan | Claude Pro$20/mo | ChatGPT Plus$20/mo |
|---|---|---|
| Pricing | ||
| Monthly price | $20/mo | $20/mo |
| Annual billing (per month) | $17/mo | — |
| Usage & limits | ||
| Included usage | At least 5x the Free allowance per 5-hour session; paid plans add weekly caps on top; Claude apps and Claude Code draw from one shared pool; there is no fixed message count. | Local messages per 5-hour window, published as estimates: GPT-6 Astra 5-45, GPT-6.1 Sol 15-160, GPT-6 Sol 15-150, GPT-6 Luna 350-3,000; weekly limits may also apply. |
| Rate limits | — | Per-model 5-hour windows (see allowance text) |
| When quota runs out | Wait for reset, upgrade, or enable usage credits billed at standard API rates. | Purchase additional ChatGPT credits, or use an API key at standard rates. |
| Models & tooling | ||
| Models included | Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5, Claude Fable 5.1 | GPT-6 Astra, GPT-6.1 Sol, GPT-6 Luna |
| Coding agents & CLI | Claude Code, Claude Cowork, Claude web/desktop/mobile | Codex web, Codex CLI, Codex IDE extension, Codex iOS |
| Features & team | ||
| Seats included | 1 | 1 |
10 more rows — limits, IDE support, team features
| Plan | Claude Pro$20/mo | ChatGPT Plus$20/mo |
|---|---|---|
| Pricing | ||
| Free tier | Yes | Yes |
| Trial | none | none |
| Billing notes | $20/mo monthly; $17/mo with annual billing ($200 upfront). | $20/mo monthly. |
| Usage & limits | ||
| Usage multiple vs base plan | 5× | — |
| Models & tooling | ||
| IDE support | VS Code, JetBrains | VS Code, JetBrains |
| Features & team | ||
| SSO | No | No |
| Zero data retention | No | No |
| Admin console | No | No |
| Priority support | No | No |
| Availability & sources | ||
| Official pricing page | claude.com/pricing | developers.openai.com/codex/pricing |
Questions people ask
- Is Claude Pro cheaper than ChatGPT Plus?
- Both cost $20/month.
- How much usage do Claude Pro and ChatGPT Plus include?
- Anthropic Claude Pro: At least 5x the Free allowance per 5-hour session; paid plans add weekly caps on top; Claude apps and Claude Code draw from one shared pool; there is no fixed message count. OpenAI ChatGPT Plus: Local messages per 5-hour window, published as estimates: GPT-6 Astra 5-45, GPT-6.1 Sol 15-160, GPT-6 Sol 15-150, GPT-6 Luna 350-3,000; weekly limits may also apply.
- Which models do Claude Pro and ChatGPT Plus include?
- Anthropic Claude Pro: Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5, Claude Fable 5.1. OpenAI ChatGPT Plus: GPT-6 Astra, GPT-6.1 Sol, GPT-6 Luna.