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LLM Token Counter
Tokenizer model
GPT-5 / GPT-4o
Exact
GPT-4 / GPT-3.5
Exact
Llama 3
Exact
Llama 4
Estimate
Claude (Opus / Sonnet)
Estimate
Gemini (Pro / Flash)
Estimate
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The quick brown fox jumps over the lazy dog. Paste your prompt here to count its tokens.
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tokens
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17
Words
88
Characters
72
Characters (no spaces)
2
Sentences
1
Lines
0
Tokens / word