How to Count AI Tokens Online Free
Paste your prompt or text and instantly see the estimated token count, plus cost breakdowns for 8 popular LLM models.
Count tokens for GPT-4, Claude, Gemini & Llama. See cost estimates per model. 100% client-side BPE estimation.
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| Model | Max Tokens | Input Cost | Usage % | Fits? |
|---|---|---|---|---|
| GPT-4o | 128,000 | $0.000000 | 0.0% | ✅ |
| GPT-4o mini | 128,000 | $0.000000 | 0.0% | ✅ |
| GPT-4 Turbo | 128,000 | $0.000000 | 0.0% | ✅ |
| GPT-3.5 Turbo | 16,385 | $0.000000 | 0.0% | ✅ |
| Claude 3.5 Sonnet | 200,000 | $0.000000 | 0.0% | ✅ |
| Claude 3 Haiku | 200,000 | $0.000000 | 0.0% | ✅ |
| Gemini 1.5 Pro | 1,000,000 | $0.000000 | 0.0% | ✅ |
| Llama 3 70B | 8,192 | $0.000000 | 0.0% | ✅ |
Token count is estimated using BPE heuristics (±5% vs tiktoken). Costs based on published API pricing.
Free AI token counter for GPT-4, Claude, Gemini & Llama. No signup, 100% client-side.
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Paste your prompt or text and instantly see the estimated token count, plus cost breakdowns for 8 popular LLM models.
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