Gemini (Google AI Pro) vs ChatGPT Plus
Every number below comes from the vendor's own pricing page, linked next to it. Last checked 2026-10-19. Where a vendor doesn't publish a limit, we say so.
Nearly the same price: $19.99 vs $20/mo. Google AI Pro is the plan formerly sold as Gemini Advanced.
Pick Google AI Pro if you want the bundle: a 1 million token context window, 5 TB of storage and $10/mo in Google Cloud credits. Usage is 4x Free, on a 5-hour refresh with a weekly cap.
Pick ChatGPT Plus if coding is the priority: Codex comes with published per-5-hour estimates, while limits for Google's Antigravity coding agent on AI Pro aren't published.
| Google AI Pro Gemini (Google) | ChatGPT Plus ChatGPT (OpenAI) | |
|---|---|---|
| Price | $19.99/mo $19.99/mo (US) [source, checked 2026-10-19] | $20/mo $20/mo [source, checked 2026-10-19] |
| Usage limits | Usage: 4x Free (5-hour refresh, weekly cap) [source, checked 2026-10-19] | Chat message caps: not published [source, checked 2026-10-19] |
| Context window | Context window: 1 million tokens [source, checked 2026-10-19] | Context window (Instant / Reasoning): 54K / 256K [source, checked 2026-10-19] |
| Coding | Antigravity (coding agent): Entry/'Expanded' rate limits; numbers not published [source, checked 2026-10-19] | Codex local messages per 5h (estimate): 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 [source, checked 2026-10-19] Codex surfaces: Web, CLI, IDE extension, iOS; cloud code review [source, checked 2026-10-19] |
| Credits & extras | Google Cloud credits: $10/mo [source, checked 2026-10-19] | not listed |
| Other details | Storage: 5 TB [source, checked 2026-10-19] | not listed |
| Key models | Gemini 4 Argon, Pro model, Flash | GPT-6, GPT-6.1 Sol, GPT-6 Astra, GPT-6 Sol, GPT-5.6 Sol/Terra |
All Gemini (Google) plans · All ChatGPT (OpenAI) plans
Recent changes for these vendors
- 2026-10-14: ChatGPT (OpenAI): GPT-5.5 retired from Codex with ChatGPT sign-in
- 2026-10-13: Gemini (Google): Gemini 4 Argon reaches Google AI Pro and Ultra subscribers
- 2026-09-29: ChatGPT (OpenAI): ChatGPT Pro $500 tier added; Pro $200 reopens to new subscribers with a lower usage allowance (grandfathered subscribers keep the old allowance through Oct 29)
- 2026-05-20: Gemini (Google): Google AI Ultra top tier cut from $250 to $200/month (announced at I/O 2026; date approximate)
Sources
- https://one.google.com/about/google-ai-plans/ (checked 2026-10-19)
- https://developers.openai.com/codex/pricing (checked 2026-10-19)
- https://chatgpt.com/pricing (checked 2026-10-19)
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