Every pack is free — 14 packs, 210 prompts, no card and no subscriptionAll 14 packs are free
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Context Window Checker
Different models have different context limits. Paste your full conversation or document to see what fits.
Inputs
Results
Your tokens0
GPT-4o✓ Fits (0.0%)
GPT-5✓ Fits (0.0%)
Claude Sonnet 4.5✓ Fits (0.0%)
Claude Opus 4 (1M)✓ Fits (0.0%)
Gemini 2.5 Pro✓ Fits (0.0%)
Estimates only. Always verify before billing decisions.
FAQs
What if I'm close to the limit?
Output quality degrades near the cap. Aim to use <70% of the window for best results.