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Overview

Gemini is the recommended AI provider for VibeLearn. The free tier provides 1500 requests/day — sufficient for daily coding sessions. VibeLearn uses Gemini for two LLM calls per session:
  1. Concept extraction — identifies what you learned (ConceptExtractor)
  2. Quiz generation — creates questions per concept (QuizGenerator)

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Setup

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1. Get an API Key

Go to aistudio.google.com/apikey and create a free API key.

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2. Add to Settings

~/.vibelearn/settings.json
That’s it. VibeLearn checks for Gemini first in the provider priority order (Gemini → OpenRouter → Anthropic).

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Available Models

Override the default:

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Rate Limiting

The free tier limit is 1500 requests/day. VibeLearn uses 2 requests per session (concept extraction + quiz generation), giving you up to 750 sessions/day on the free tier. Rate limiting is enabled by default:
If you hit the limit, VibeLearn falls back to OpenRouter (if configured) or Anthropic API.

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Troubleshooting

API key not valid — Check the key is correctly copied from AI Studio. Keys start with AIza. RESOURCE_EXHAUSTED — Hit the daily quota. Resets at midnight Pacific time. Switch to OpenRouter as a fallback:
No quiz questions after session — Check worker logs: