Interactive TokenCalculator utilities for token counting, cost estimation, RAG, embeddings, GPU vs API, cache savings, and batch pricing. Every tool runs in your browser.
All calculators
- AI token calculator: Count tokens and estimate request cost for any prompt.
- Tokenizer: Token counts and context meter without the pricing math.
- LLM cost calculator: Turn token counts into monthly and yearly spend.
- RAG cost calculator: Corpus embed, retrieved context, and generation cost breakdown.
- Embedding cost calculator: Index and query embedding spend with editable $/1M rates.
- GPU / LLM cost calculator: Self-host or cloud GPU vs catalog API break-even.
- Context window calculator: Will your prompt fit? Budget system, RAG, and reserved output.
- Tokenizer comparison: Paste once. Compare Exact OpenAI vs Approx Claude and Gemini counts.
- Token visualizer: Exact OpenAI token chips with IDs for o200k and cl100k.
- Tokens to words: Approximate converter between words, characters, and tokens.
- Cache savings: See what prompt caching saves at your hit rate.
- Batch pricing: Compare standard rates against Batch API rates.
Live tool host: tools.tokencalculatorai.com/tools/.
Keep planning
- Browse models: Rates and context windows for the full catalog
- Compare models: Side by side pricing pairs
- Providers: Catalog grouped by provider
- Guides: How tokens, context, and pricing work