Head-to-head · verified September 25, 2026
ChatGPT vs Gemini: price comparison
Gemini is cheaper to start: Google AI Plus costs $4.99/mo against $8/mo for ChatGPT Go. At the standard tier it's ChatGPT Plus ($20/mo) against Google AI Pro ($19.99/mo).
Plans tier by tier
| ChatGPT | Gemini | |
|---|---|---|
| Free | ChatGPT Free Free | Gemini Free Free |
| Entry (under $15) | ChatGPT Go $8/mo | Google AI Plus $4.99/mo |
| Standard (~$20) | ChatGPT Plus $20/mo | Google AI Pro $19.99/mo |
| Premium ($90+) | ChatGPT Pro ($100) $100/mo ChatGPT Pro ($200) $200/mo Closed to new sign-ups | Google AI Ultra $99.99/mo Google AI Ultra (top tier) $199.99/mo |
Key numbers
| ChatGPT | Gemini | |
|---|---|---|
| Cheapest paid plan | ChatGPT Go $8/mo | Google AI Plus $4.99/mo |
| Most expensive plan | ChatGPT Pro ($100) $100/mo | Google AI Ultra (top tier) $199.99/mo |
| Plans on sale | 5 | 5 |
| Annual discount | Not listed | Not listed |
| Cheapest API model | GPT-6 Luna $0.10 / $0.50 | Gemini 3.1 Flash-Lite $0.25 / $1.50 |
| Priciest API model | GPT-5.5 pro $30 / $180 | Gemini 3.1 Pro $2 / $12 |
| Both standard plans | $39.99/mo together ($480/yr) | |
Pick ChatGPT if…
First-time AI buyers, everyday questions and voice-first users. Start free, move to Go when upload or image limits bite, and pay $20 when you want GPT-6 or Deep Research.
- Best-known voice mode and mobile apps
- Strong image generation built in
- GPT-6 models now available from the $20 Plus tier
The safe default. Go at $8 is the value pick, Plus at $20 is the full product, and Pro only makes sense if you hit Plus limits every day.
ChatGPT plans in detail →Pick Gemini if…
People already paying for Google One storage or working in Google Workspace.
- AI Plus at $4.99 is the cheapest paid entry among the majors
- AI Pro includes 5 TB of Google One storage
- Deep Gmail, Docs and Drive integration
Strongest bundle in AI. If you were going to pay for storage anyway, AI Plus or AI Pro is close to a free upgrade.
Gemini plans in detail →Recent changes
- ChatGPT GPT-6 family launched
GPT-6 Astra ($10 / $50), Sol ($2 / $10) and Luna ($0.10 / $0.50) on the API; GPT-6 models added to ChatGPT Plus and Pro. GPT-6 Pro: 50 messages/week on Pro $100, 200 on Pro $200.
- ChatGPT ChatGPT Pro $200 closed to new sign-ups
Existing subscribers keep renewing; the $100 Pro tier remains open.
- Gemini Gemini 3.8 Flash launched
$0.75 / $3.75 until Dec 31, 2026, then $1.50 / $7.50. Available in the Gemini app on AI Pro and Ultra.
- ChatGPT GPT-5.6 Sol API promotion
$5 / $30 → $4 / $20 until Nov 21, 2026.
- ChatGPT GPT-5.6 Terra and Luna price cuts
Terra $2.50 / $15 → $2 / $12. Luna $1 / $6 → $0.20 / $1.20.
- Gemini Gemini 3.6 Flash becomes the free default
The free Gemini app moved to 3.6 Flash.
ChatGPT vs Gemini: questions
Is ChatGPT cheaper than Gemini?
To start, yes for Gemini: its cheapest paid plan is Google AI Plus at $4.99/mo, versus ChatGPT Go at $8/mo.
Do ChatGPT and Gemini both have a free plan?
Yes. ChatGPT Free: unlimited everyday text chat (abuse safeguards apply), capped uploads, image generation and voice. Gemini Free: 15 gb google storage, gemini in the app and on the web.
Should I choose ChatGPT or Gemini?
Choose ChatGPT if you are: first-time AI buyers, everyday questions and voice-first users. Start free, move to Go when upload or image limits bite, and pay $20 when you want GPT-6 or Deep Research. Choose Gemini if you are: people already paying for Google One storage or working in Google Workspace.
Sources
Checked against the official pages below on September 25, 2026. Prices are USD before local tax. See how we verify prices and the change log.