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🧮 AI Token & Cost Calculator
Paste your prompt, set your usage, and instantly compare API costs across 20+ major AI models.
📝 Step 1 — Paste Your Prompt
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Est. Tokens
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* Estimate: ~4 chars = 1 token (GPT/Claude). Actual counts vary by model.
⚙️ Step 2 — Set Your Usage
Leave 0 to auto-detect from text
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Cheapest / Call
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Best Value / Month
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at your daily usage
Most Expensive / Call
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Potential Savings/Mo
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vs most expensive
📊 Step 3 — Cost Comparison
| Model | In $/1M | Out $/1M | Cost/Call | Cost/Day | Cost/Month |
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💡 Best Value = lowest cost per call. Prices are 2026 estimates — verify on provider pages.
Access 200+ AI models — including GPT-4o, Claude, Gemini, Mistral, Llama and more — all through a single API with transparent per-token pricing.
🔗 Browse all models & live prices on OpenRouter →