AI Chatbots & Assistants 📖 5 min read

OpenAI o1 vs Gemini: The Complete Comparison

Which ai chatbots & assistants tool is right for you? A detailed side-by-side analysis of features, pricing, and performance.

Key Takeaways
  • Price: OpenAI o1 starts at $20/mo, Gemini at Free
  • Free tier: Only Gemini has free tier
  • Best for: OpenAI o1 → Researchers and scientists | Gemini → Google users
  • Features: 25+ features across 7 categories
  • Our pick: OpenAI o1 for power users

Quick Comparison Table

Feature OpenAI o1 Gemini
Vendor OpenAI Google
Starting Price $20/mo Free
Free Tier No Yes
API Access Yes Yes
Web App Yes Yes
Mobile App Yes Yes
Best For Researchers and scientists Google users

OpenAI o1 vs Gemini Pricing

Here's how the pricing compares between both tools:

OpenAI o1

No Free Tier
ChatGPT Plus $20/mo
ChatGPT Pro $200/mo

Gemini

Free Tier Available
Free Free
Google AI Pro $£18.99/mo

Features Comparison

OpenAI o1 Features

  • Web App
  • Api Access
  • Mobile App
  • File Upload
  • Image Input
  • Code Execution
  • Reasoning Mode

Gemini Features

  • Web App
  • Api Access
  • Mobile App
  • Browser Extension

Pros and Cons

OpenAI o1

Pros

  • Best-in-class reasoning for complex problems
  • PhD-level performance on STEM benchmarks
  • Shows step-by-step thinking process
  • Excellent at competitive programming
  • Superior accuracy on multi-step problems

Cons

  • Significantly slower than GPT-4o
  • No web browsing capabilities
  • Expensive Pro tier pricing

Gemini

Pros

  • Best Google Workspace integration
  • Massive context window (1M+ tokens)
  • Strong multimodal capabilities
  • Advanced video and image generation

Cons

  • Less polished writing than Claude
  • Can be inconsistent
  • Privacy concerns with Google data
  • Sometimes overly verbose

Who Should Use Each Tool?

Choose OpenAI o1 if you need:

  • Researchers and scientists
  • Competitive programmers
  • Students tackling complex math problems
  • Engineers solving technical challenges
Learn more about OpenAI o1 →

Choose Gemini if you need:

  • Google users
  • Multimodal tasks
  • Research
  • Data analysis
Learn more about Gemini →

Final Verdict: OpenAI o1 vs Gemini

🏆 Winner: OpenAI o1

After comparing all aspects, OpenAI o1 comes out slightly ahead for most users. Key strength: Best-in-class reasoning for complex problems.

Bottom line: Use OpenAI o1 for Researchers and scientists. Use Gemini for Google users. Both are excellent ai chatbots & assistants tools in 2026.

What Are We Comparing?

OpenAI o1

Experience OpenAI's most advanced reasoning model that thinks step-by-step through complex problems in math, science, and coding with unprecedented accuracy.

OpenAI o1 represents a breakthrough in AI reasoning capabilities, designed to tackle complex multi-step problems that require deep analytical thinking. Unlike traditional language models, o1 uses chain-of-thought reasoning to work through challenging tasks in mathematics, science, competitive programming, and research. The model excels at problems that would typically require PhD-level expertise, making it invaluable for researchers, scientists, and developers working on sophisticated technical challenges. Available through ChatGPT Plus and Pro subscriptions, o1 provides access to both the full model and o1-mini for faster, lighter reasoning tasks. While slower than GPT-4o, o1's deliberate approach to problem-solving delivers superior accuracy on complex reasoning benchmarks.

Gemini

Google's multimodal AI assistant with deep integration into Google Workspace. Features Gemini 2.5 Pro with 1M+ token context and advanced reasoning capabilities.

Gemini is Google's flagship AI model, offering strong multimodal capabilities across text, images, and video. It integrates deeply with Gmail, Docs, Drive, and other Google services, making it ideal for users in the Google ecosystem.

Frequently Asked Questions

What is the difference between OpenAI o1 and Gemini?

OpenAI o1 is experience openai's most advanced reasoning model that thinks step-by-step through complex problems in math, science, and coding with unprecedented accuracy. Gemini is google's multimodal ai assistant with deep integration into google workspace. features gemini 2.5 pro with 1m+ token context and advanced reasoning capabilities. The main differences are in pricing ($20/mo vs Free), target users, and specific features offered.

Which is better: OpenAI o1 or Gemini?

OpenAI o1 is generally better for most users due to best-in-class reasoning for complex problems. OpenAI o1 is best for Researchers and scientists, while Gemini shines at Google users.

Is OpenAI o1 free to use?

No, OpenAI o1 doesn't have a free tier. Pricing starts at $20/mo.

Is Gemini free to use?

Yes, Gemini offers a free tier with limited features. Paid plans start at Free.

Can I switch from OpenAI o1 to Gemini?

Yes, you can switch between these tools at any time. Both are standalone services. Consider your specific needs for Researchers and scientists vs Google users when deciding.

Tools Compare
Written by Tools Compare Team

We test and compare AI tools hands-on. Our team has evaluated 100+ AI products to help you make informed decisions. This comparison was last verified on .

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