Claude Code vs Codex
Claude Pro vs ChatGPT Plus
Which is better value?
ChatGPT Plus has the higher AgentMPG estimated value score: 80/100 (rank #3) vs 72/100 for Claude Pro (rank #8). Both cost $20/mo. They run different agents (Claude Code vs Codex), so pick the tool you prefer first, then compare limits. Scores are editorial estimates, not measurements; check each vendor page before buying.
Side by side
| Claude Pro | ChatGPT Plus | |
|---|---|---|
| Price | $20/mo | $20/mo |
| Agent | Claude Code | Codex |
| Value score | 72/100 | 80/100 |
| Official limits | $20/mo billed monthly ($17/mo billed annually). Claude Code included. At least 5x Free usage per rolling 5-hour session, plus weekly limits, shared across chat and Claude Code. Opus included; Fable only via usage credits. Usage credits at API rates once you hit the limit. Claude Duet (US research-preview waitlist on Pro and Max) shares these limits, and its background check-ins count toward them. | Codex on web, CLI, IDE and iOS, with cloud code review. Per 5-hour window (estimated by OpenAI): 15–160 GPT-6.1 Sol, 35–285 GPT-6.1 Terra or 350–3,000 GPT-6 Luna local messages; GPT-6 Astra limited (5–45). Weekly limits may also apply; extra credits can be bought. |
| Builders report | Great for 1–2 focused hours per session; agent-heavy refactors hit the 5-hour limit in ~60–90 minutes. | Best $20 entry for agentic coding right now per submissions: several focused sessions a week before the weekly wall. |
| Source | claude.com/pricing verified 2026-11-02 | learn.chatgpt.com/docs/pricing verified 2026-11-02 |
Note on ChatGPT Plus: Heads up: starting in December 2026, OpenAI says Plus, Pro and Business usage will be one token-based allowance shared across ChatGPT and Codex (Instant chat excluded); pool sizes and start day not published yet.
FAQ
- How much do Claude Pro and ChatGPT Plus cost?
- Claude Pro costs $20/mo and ChatGPT Plus costs $20/mo (checked 2026-11-02 and 2026-11-02 against https://claude.com/pricing and https://learn.chatgpt.com/docs/pricing).
- What are the limits on Claude Pro vs ChatGPT Plus?
- Claude Pro: $20/mo billed monthly ($17/mo billed annually). Claude Code included. At least 5x Free usage per rolling 5-hour session, plus weekly limits, shared across chat and Claude Code. Opus included; Fable only via usage credits. Usage credits at API rates once you hit the limit. Claude Duet (US research-preview waitlist on Pro and Max) shares these limits, and its background check-ins count toward them. ChatGPT Plus: Codex on web, CLI, IDE and iOS, with cloud code review. Per 5-hour window (estimated by OpenAI): 15–160 GPT-6.1 Sol, 35–285 GPT-6.1 Terra or 350–3,000 GPT-6 Luna local messages; GPT-6 Astra limited (5–45). Weekly limits may also apply; extra credits can be bought.
Related comparisons
Value score = AgentMPG editorial estimate of agentic work per dollar, 0–100 (not a measurement, not vendor-endorsed). Used one of these? Submit your burn rate. Compare all plans.