Gemini / Jules / Antigravity vs Codex
Google AI Pro vs ChatGPT Plus
Which is better value?
ChatGPT Plus has the higher AgentMPG estimated value score: 80/100 (rank #3) vs 76/100 for Google AI Pro (rank #6). Google AI Pro is cheaper at $19.99/mo vs $20/mo. They run different agents (Gemini / Jules / Antigravity 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
| Google AI Pro | ChatGPT Plus | |
|---|---|---|
| Price | $19.99/mo | $20/mo |
| Agent | Gemini / Jules / Antigravity | Codex |
| Value score | 76/100 | 80/100 |
| Official limits | 4x Free usage limits in the Gemini app (refresh every 5 hours up to a weekly limit), Gemini 4 Argon access, 1M-token context, entry rate limits for the Antigravity agent. Bundled with 5 TB storage. | 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 | Generous request counts and a huge context window. Quality on long agent loops varies by task; strong for big-codebase reading. | Best $20 entry for agentic coding right now per submissions: several focused sessions a week before the weekly wall. |
| Source | gemini.google/subscriptions/ verified 2026-11-02 | learn.chatgpt.com/docs/pricing verified 2026-11-02 |
Note on Google AI Pro: Google's subscription page no longer states specific Gemini CLI / Code Assist request limits, and as of Nov 2, 2026 it no longer lists Jules.
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 Google AI Pro and ChatGPT Plus cost?
- Google AI Pro costs $19.99/mo and ChatGPT Plus costs $20/mo (checked 2026-11-02 and 2026-11-02 against https://gemini.google/subscriptions/ and https://learn.chatgpt.com/docs/pricing).
- What are the limits on Google AI Pro vs ChatGPT Plus?
- Google AI Pro: 4x Free usage limits in the Gemini app (refresh every 5 hours up to a weekly limit), Gemini 4 Argon access, 1M-token context, entry rate limits for the Antigravity agent. Bundled with 5 TB storage. 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.