OpenAI · Codex
ChatGPT Pro 500
Price
$500/mo
Rank
#8 of 18
Est. value score (provisional)
Is ChatGPT Pro 500 worth it?
ChatGPT Pro 500 (OpenAI, for Codex) costs $500/mo. AgentMPG's estimated value score is 72/100, rank #8 of 18 plans tracked (tied with Claude Pro). Among the 4 Codex plans we track, it ranks #4. There are no crowd burn-rate reports for this plan yet, so the score is provisional. Scores are editorial estimates, not measurements, and the right plan depends on your workload and models.
Official limits
Highest included usage of OpenAI's three Pro plans. Work and Codex allowance doubled on Oct 29, 2026. The only Pro plan with Ultrafast mode for GPT-6 Astra and GPT-6.1 Sol, which burns included usage at 8x the Standard rate (then credits at 6x). No 5-hour Codex limit; weekly limits apply. Exact allowance not published. Billed monthly only.
Source: help.openai.com/en/articles/9793128-about-chatgpt-pro-tiers · verified 2026-11-02
Note: Exact allowance not published by OpenAI; Ultrafast use drains the allowance 8x faster. 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.
What builders report
New tier launched Oct 2026. No crowd submissions yet for this plan. Score is a provisional estimate from official limits only.
Used this plan? Submit your burn rate to improve the score.
Head-to-head comparisons
Other Codex plans
Top-rated alternatives
Value score = AgentMPG editorial estimate of agentic work per dollar, 0–100 (not a measurement, not vendor-endorsed). Limits change often; check the vendor page before buying. Compare all plans.