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Estimate and compare API token costs across Grok, GPT-4o, Claude, Gemini, and DeepSeek with prompt cache math.
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| Model | Input | Output | Total USD |
|---|---|---|---|
| Grok 4.5 | $0.0360 | $0.0120 | $0.0480 |
| Grok 3 | $0.0360 | $0.0120 | $0.0480 |
| GPT-4o | $0.0300 | $0.0080 | $0.0380 |
| Claude Sonnet | $0.0360 | $0.0120 | $0.0480 |
| Gemini Flash | $0.0018 | $0.0005 | $0.0023 |
| DeepSeek V3 | $0.0032 | $0.0009 | $0.0041 |
Pricing is a snapshot for planning, not a billing quote. Token count uses ~4 characters per token.
AI model pricing estimation
Model API pricing is based on public rates per million tokens and is provided for planning and estimation purposes only. Verify exact billing tiers, prompt caching discounts, and enterprise rates with your respective AI API provider.
Standard: Token counts use standard 4-character English linguistic approximations. Exact billing relies on vendor BPE tokenizers.
Frequently asked
Direct answers for search, answer engines, and generative crawlers.
The estimator uses the standard English linguistic rule of thumb where 1 token corresponds to approximately 4 characters or 0.75 words. For exact production counts, use model-specific byte-pair encoding tokenizers.
Feedback, bugs & custom requests
Found a bug, a math anomaly, or a missing feature on Compare AI model pricing? Send it to engineering — reports land in our Discord channel. Optional email if you want a follow-up.
Related tools
Canonical: /ai/llm-token-cost-calculator. Estimates and conversions are educational. See the full disclaimer.