Head-to-head · profiles checked Oct 1, 2026
Pick Google AI Studio to prototype with Gemini models and get a Gemini API key; pick ChatGPT for a finished assistant with apps. Both have a free option. ChatGPT Plus is $20/month, while AI Studio's paid tier bills per 1M tokens: Gemini 3.8 Flash is $0.75 input and $3.75 output through Dec 31, 2026. AI Studio free tier content is used to improve Google products.
We based this comparison on our Google AI Studio profile verified 2026-10-01 and our ChatGPT profile verified 2026-09-30, both built from official vendor pages; it uses no third-party benchmarks and no vendor paid for placement.
Google AI Studio is a browser workspace for prototyping with Gemini models and getting a Gemini API key; ChatGPT is a finished assistant with apps for web, desktop and mobile. If you build apps on Gemini and pay per token, look at AI Studio. If you want one subscription for writing, files, images and research, look at ChatGPT. On privacy, AI Studio's free tier content is used to improve Google products while paid tier content is not; ChatGPT consumer chats may be used for training unless you opt out.
Based on our Google AI Studio profile verified 2026-10-01 and ChatGPT profile verified 2026-09-30, both built from official vendor pages; no benchmark was run.
Our own captures of each vendor's public pages. Click a frame for the full-size image.
If you only want the answer, this is the table. Everything below is the evidence from the two documented profiles.
| You want to | Use | Why |
|---|---|---|
| Chat about everyday questions for free | ChatGPT | ChatGPT Free gives unlimited everyday text chats; AI Studio is a prompt workspace for Gemini models |
| Test a prompt against Gemini models | Google AI Studio | AI Studio provides a browser playground for Gemini models |
| Get an API key for my app | Google AI Studio | AI Studio generates Gemini API keys; ChatGPT plans never include API usage |
| Build a quick web app prototype | Google AI Studio | AI Studio's Build mode creates full-stack web apps with Gemini |
| Analyze an uploaded spreadsheet | ChatGPT | ChatGPT documents file uploads and code-backed data analysis |
| Generate images | ChatGPT | ChatGPT lists image generation; AI Studio's profile lists text, code and structured data outputs |
| Research with cited web search | ChatGPT | ChatGPT has web search with citations and deep research reports |
| Run a team workspace with SSO | ChatGPT | ChatGPT Business and Enterprise offer admin controls, SAML SSO and SCIM |
| Pay per token instead of a subscription | Google AI Studio | AI Studio's paid tier bills per 1M tokens |
| Use an app on my phone | ChatGPT | ChatGPT lists mobile apps; AI Studio lists web and API only |
| Plan | Tool | Price | Limits |
|---|---|---|---|
| Google AI Studio Free | Google AI Studio | Free | Limited model access; lower rate limits than Paid tier |
| Google AI Studio Paid Standard | Google AI Studio | Per 1M tokens (Gemini 3.8 Flash $0.75 input / $3.75 output through Dec 31, 2026) | Higher rate limits; context caching |
| Google AI Studio Paid Batch | Google AI Studio | Per 1M tokens (Gemini 3.8 Flash $0.375 input / $1.875 output) | Asynchronous batch processing only |
| Google AI Studio Paid Flex | Google AI Studio | Per 1M tokens (Gemini 3.8 Flash $0.375 input / $1.875 output through Dec 31, 2026) | Variable rate limits; lower priority than Priority |
| Google AI Studio Paid Priority | Google AI Studio | Per 1M tokens (Gemini 3.8 Flash $1.35 input / $6.75 output through Dec 31, 2026) | Highest rate limits available |
| Google AI Studio Enterprise | Google AI Studio | Custom (contact sales) | Custom rate limits via provisioned throughput |
| ChatGPT Free | ChatGPT | Free | Unlimited everyday text chats subject to safeguards; separate caps on uploads, images, voice |
| ChatGPT Go | ChatGPT | Not confirmed (US price) | Higher limits than Free; may include ads |
| ChatGPT Plus | ChatGPT | $20/mo | May include message caps, especially during high demand |
| ChatGPT Pro | ChatGPT | $100, $200 or $500/mo | Allowances vary by tier |
| ChatGPT Business Standard | ChatGPT | $25/seat/mo ($20 annual) | Minimum 2 seats |
| ChatGPT Business Premium | ChatGPT | $125/seat/mo | 5x more usage than Standard |
USD as published on each vendor's pricing page, checked Oct 1, 2026. Google AI Studio pricing in full · ChatGPT pricing in full
| Google AI Studio | ChatGPT | |
|---|---|---|
| Messages / rate limits | Free tier has lower rate limits than Paid; Priority has the highest available | Free: unlimited everyday text chats subject to safeguards; other tools capped by plan |
| Context / file size | 1 million token context window on Free tier | Free Library storage of 500 MB; Free instant context 27K tokens |
| Seats / team | Enterprise via sales; team role-based access controls listed | Business needs 2 seats minimum; Enterprise via sales |
| Feature | Google AI Studio | ChatGPT |
|---|---|---|
| Image generation | Not stated | Yes |
| Voice | Not stated | Yes |
| File upload | Yes (images and multimodal files, long documents as inputs) | Yes |
| Web search | Grounding with Google Search (5,000 free requests per month, then $14 per 1,000) | Yes, with citations |
| Agents / tools | Build mode for apps | Codex and ChatGPT Work |
| API | Yes, Gemini API | Yes, separate product billed by usage |
| Mobile apps | Not stated | Yes |
| Google AI Studio | ChatGPT | |
|---|---|---|
| Training on your data | Free tier: used to improve Google products. Paid tier: not used | Consumer chats may be used unless you opt out or use temporary chat; Business, Enterprise and API not by default |
| Retention | Not stated | Temporary chats may be kept up to 30 days for safety; consumer default not verified |
| Business controls | Google Cloud admin and security settings, team role-based access controls, project-level billing | SAML SSO, SCIM, role-based access, DPA, SOC 2 |
Taken from each vendor's published policy pages at the time of our check. Policies change; the source links are at the bottom.
Google's browser workspace for prototyping with Gemini models and getting a Gemini API key, with a free tier and pay-as-you-go API.
Free stops at: Limited access to certain models (excludes experimental models like Veo), Free input and output tokens
Verified ai.google.dev (opens Google AI Studio website in a new tab)
Free plan available US price unconfirmed
OpenAI's general-purpose AI assistant for writing, research, analysis, image generation and coding help.
Free stops at: Unlimited everyday text chats subject to abuse-prevention safeguards, Separate usage limits for file uploads,…
Free · paid from $20/mo US · checked Sep 30
Both have a free option. Google AI Studio's free tier has free input and output tokens, limited model access and lower rate limits than the paid tier. ChatGPT Free has unlimited everyday text chats subject to abuse-prevention safeguards, with separate limits on uploads, images and voice.
Partly. AI Studio is a web workspace for testing Gemini models and generating Gemini API keys, with a prompt gallery and Build mode. ChatGPT is a consumer and team assistant with apps for web, desktop and mobile. AI Studio lists web and API platforms only.
On AI Studio's free tier, content is used to improve Google products; on the paid tier it is not. ChatGPT consumer plans may use conversations to improve models unless you turn that off or use temporary chat; Business, Enterprise and API data is not used by default.
ChatGPT Plus is $20/month. AI Studio has no monthly seat price in our profile; the paid tier bills per 1M tokens, for example Gemini 3.8 Flash at $0.75 input and $3.75 output through Dec 31, 2026, with prices increasing Jan 1, 2027.
Only official vendor pages. No third-party benchmarks, forum threads or press were used. How we review.
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