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Learn with 4 powerful AI models completely free. Unlock premium models like GPT-4o and Claude Sonnet when you need deeper analysis.
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- Everything in Free, plus:
- Premium models: GPT-4o, Claude Sonnet, DeepSeek R1
- Deeper analysis for complex topics
- Advanced reasoning & math capabilities
- Priority support & early access
Premium Models Unlocked:
GPT-4oClaude 3.5 SonnetGemini 2.0 FlashDeepSeek R1
+ all free models
Model Comparison
The right model for every question
We've handpicked the best models from OpenAI, Anthropic, Google, and DeepSeek so you don't have to choose from hundreds.
| Model | Provider | Speed | Tier | Best For |
|---|---|---|---|---|
GPT-4o MiniDefault | OpenAI | Very Fast | Free | Fast & smart for everyday learning |
Claude 3.5 Haiku | Anthropic | Very Fast | Free | Quick, clear explanations |
Gemini Flash Lite | Very Fast | Free | Lightning fast responses | |
DeepSeek V3 | DeepSeek | Fast | Free | Great for technical topics |
GPT-4oPremium | OpenAI | Medium | Pro | Most capable OpenAI model |
Claude 3.5 SonnetPremium | Anthropic | Medium | Pro | Best for deep analysis & nuance |
Gemini 2.0 Flash | Fast | Pro | Fast with strong reasoning | |
DeepSeek R1Premium | DeepSeek | Medium | Pro | Advanced reasoning & math |
All Plans Include
Powerful learning features
Branching Trails
Explore tangents without losing context. Create a visual map of your learning journey.
AI Quizzes
Test your understanding with auto-generated quizzes based on your conversations.
Flashcards
Reinforce learning with AI-generated flashcards for spaced repetition.