ChatGPT
Large Language Models
Gemini
Large Language Models
ChatGPT
OpenAI's conversational AI assistant that understands context, generates human-quality text, writes and debugs code, and analyzes images; available via web, mobile apps, and API.
Gemini
Family of multimodal generative AI models developed by Google DeepMind, built on decoder-only transformer architecture. March 2026 lineup: Gemini 3.1 Pro (flagship, released Feb 19 2026, 1M token context, 77.1% ARC-AGI-2, 94.3% GPQA Diamond), Gemini 3 Flash (speed-optimized, Dec 17 2025), Gemini 3.1 Flash-Lite (cost-efficient at scale, March 3 2026), and Gemini 3 Deep Think (specialized reasoning variant for AI Ultra subscribers). Natively processes text, images, audio, video, and code. Powers the Gemini app with Fast/Thinking/Pro modes, Google Workspace integration, Android Studio, and developer APIs. Also includes Nano variant for on-device processing on Pixel phones. Led by Demis Hassabis (Google DeepMind CEO).
Showing large language models specific comparison attributes
Core Capabilities
| Text Generation | Yes | — |
| Code Assistance | Yes | — |
| Image Understanding | Yes | — |
| Document Analysis | Yes | — |
| Web Browsing | Yes | Yes |
| File Uploads | Yes | Yes |
Model Specifications
| Context Window | 128K tokens | 1M tokens (3.1 Pro, 3 Flash, 3.1 Flash-Lite) |
| Knowledge Cutoff | Dec 2024 | — |
| Response Speed | Fast | Fast (Flash-Lite: 259 tok/s) |
| Reasoning | Advanced (o1/o3) | Excellent |
Multimodal
| Image Generation | Yes | — |
| Image Input | Yes | Yes |
| Audio Input | Yes | Yes |
| Audio Output | Yes | Yes |
| Video Understanding | Yes | — |
API & Platform
| API Access | Yes | Yes |
| Function Calling | Yes | — |
| JSON Mode | Yes | Yes |
| Streaming | Yes | Yes |
| Plugins | Yes | Yes |
Pricing
| Free Tier | Yes; GPT-5.2 Instant with ~10 messages per 5 hours, web browsing, limited file uploads | Yes; free tier with Gemini Flash access, limited Pro access, basic Nano Banana image generation (100 images/day), 15GB storage |
| Paid Plans |
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| Enterprise Pricing | Contact sales | Contact Google Cloud sales |
Enterprise Features
Security, compliance, and enterprise administration capabilities
Security & Compliance
| SOC 2 Type II | Yes | Yes |
| ISO 27001 | Yes | Yes |
| GDPR Compliant | Yes | Yes |
| HIPAA | Enterprise only | Enterprise only |
| SSO | Yes | Yes |
Enterprise Administration
| SCIM Provisioning | Yes | Yes |
| RBAC | Yes | Yes |
| Admin Console | Yes | Yes |
| Usage Analytics | Yes | Yes |
Support & SLAs
| Uptime SLA | 99.9% | 99.9% |
| Support Channels |
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| Dedicated Account Manager | Enterprise only | Enterprise only |
Quick Specs Comparison
| Feature | ChatGPT | Gemini |
|---|---|---|
API Access | Yes | Yes |
Mobile App | iOS, Android | iOS, Android |
Support | Help Center, Community Forum, Email | Help Center, Community Forum |
Languages | 95+ languages | 40+ languages |
Team Features | Yes | Yes |
Export Formats | Text, Markdown, PDF, Code | Text, Markdown, Code, Images |
Integrations | Zapier, Microsoft 365, Slack, Google Drive, Browse with Bing | Google Workspace, Google Search, YouTube, Google Maps |
Input Types | Text, Images, Files, Voice | Text, Images, Audio, Video, Files |
Quick Recommendation
Choose ChatGPT if you are...
- Users wanting the latest GPT models and plugins
- Teams needing Microsoft 365 integration
Choose Gemini if you are...
- Users in the Google ecosystem
- Teams using Google Workspace