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Gemini integrates Google apps; ChatGPT has the largest third-party ecosystem.

Option A
Advanced AI chatbot for coding, writing, debugging, learning, and productivity. Helps developers, students, and professionals solve problems faster.

Option B
Google’s AI assistant integrated with search, Gmail, and Docs. Great for real-time information and productivity.
| Spec | ChatGPT | Gemini |
|---|---|---|
| Plans & pricing | Free · Plus $20/mo · Pro $200/mo · Team from $25/user | Free · Advanced $19.99/mo · Workspace add-ons |
| Free tier | GPT-4o mini, limited GPT-4o, web browsing | Gemini 2.0 Flash with quotas |
Plans & pricing
ChatGPT
Free · Plus $20/mo · Pro $200/mo · Team from $25/user
Gemini
Free · Advanced $19.99/mo · Workspace add-ons
Free tier
ChatGPT
GPT-4o mini, limited GPT-4o, web browsing
Gemini
Gemini 2.0 Flash with quotas
| Spec | ChatGPT | Gemini |
|---|---|---|
| API access | OpenAI API (pay-as-you-go) | Google AI Studio & Vertex AI |
| API limits / quota | Tiered by usage; no hard free API quota | Free tier: ~15 RPM (Flash); paid scales up |
| Rate limits | RPM/TPM vary by model tier | Per-model quotas in AI Studio |
| Context window | 128K (GPT-4o family) | Up to 1M tokens (Gemini 1.5 Pro) |
| Best for | General assistant, plugins, coding, image gen | Google Workspace, multimodal, search grounding |
API access
ChatGPT
OpenAI API (pay-as-you-go)
Gemini
Google AI Studio & Vertex AI
API limits / quota
ChatGPT
Tiered by usage; no hard free API quota
Gemini
Free tier: ~15 RPM (Flash); paid scales up
Rate limits
ChatGPT
RPM/TPM vary by model tier
Gemini
Per-model quotas in AI Studio
Context window
ChatGPT
128K (GPT-4o family)
Gemini
Up to 1M tokens (Gemini 1.5 Pro)
Best for
ChatGPT
General assistant, plugins, coding, image gen
Gemini
Google Workspace, multimodal, search grounding
See pricing table below
See API & limits section
Pick Gemini inside Google; ChatGPT everywhere else.
Gemini integrates Google apps; ChatGPT has the largest third-party ecosystem.
Compare pricing plans, API limits, and feature winners side by side.
Verdict: Pick Gemini inside Google; ChatGPT everywhere else.