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Context Window Visualizer

Paste your text. See exactly how it fills every major AI context window — and what one call costs.

102 characters26 tokens (estimated)
  • GPT-4o128.0K ctx · $0.0081 / call
    0.0% full
  • GPT-4o mini128.0K ctx · $0.0005 / call
    0.0% full
  • Claude Sonnet 4200.0K ctx · $0.012 / call
    0.0% full
  • Claude Opus 4200.0K ctx · $0.060 / call
    0.0% full
  • Gemini 2.5 Pro2.0M ctx · $0.0080 / call
    0.0% full
  • Gemini 2.5 Flash1.0M ctx · $0.0002 / call
    0.0% full
  • Llama 3.1 8B128.0K ctx · $0.0001 / call
    0.0% full
  • Mistral Large128.0K ctx · $0.0049 / call
    0.0% full

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