AI Utilities

LLM Context Window & Memory Calculator

Calculate token usage, remaining context space (128k, 200k, 2M), and KV cache memory requirements across AI models.

Select AI Model:

Current Token Usage (Estimate or Count):

80.8%

103,500 tokens remaining out of 128,000

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Includes context limits for GPT-4o (128k), Claude 3.5 Sonnet (200k), Gemini 1.5 Pro (2M), and DeepSeek-V3.

Estimates KV-cache RAM requirements based on precision (FP16, INT8, INT4).

All calculations run locally in your browser with zero server requests.