Claude Pro (Claude Code) vs ChatGPT Plus (Codex): limits compared
| Claude Pro (Claude Code) | ChatGPT Plus (Codex) | |
|---|---|---|
| Plan | Pro | Plus |
| Price $/mo | 20 | 20 |
| Metered in | Five-hour and weekly limits | Five-hour and weekly limits |
| Stated limits | Claude Code included; at least 5x Free per five-hour session, with weekly limits shared with chat; extra use at API rates or bundles ($45 buys $50) | Codex in app, terminal and editors; allowance shared with ChatGPT; no published price for extra credits |
| Resets | Every 5 hours + weekly | Every 5 hours + weekly |
Claude Pro (Claude Code) user reports
- “Opus - 10M tokens / 5hr; Sonnet - 20M tokens / 5hr; Haiku - 40M tokens / 5hr” (User estimate (ccusage)) source
- “I can easily run out of tokens with 2 or 3 feature requests or debugging sessions.” source
ChatGPT Plus (Codex) user reports
- “Codex (GPT 5.3 Codex) - 100M tokens / 5 hour block” (User estimate during a 2x promo) source
- “If your budget is $20, I'd probably go with Codex.” source
Units differ between vendors and aren't directly comparable.