TokenTally by Harlo

TokenTally counts tokens for text across o200k_base and cl100k_base side by side, truncates text to a token budget, chunks text for RAG on paragraph/sentence boundaries with offsets, and estimates cost per model. OpenAI counts (o200k_base, cl100k_base) are exact for those tokenizers. Claude, Gemini and Llama counts are APPROXIMATE (proxy encoding; real tokenizers differ, often by 10-20%, and newer Claude tokenizers by ~30% or more). Cost estimates use a dated price table (prices_as_of 2026-10-27) and are estimates, not live billing. Stateless: text is not stored or logged; no URL fetching. Max input is 256 KB. A single unbroken run of characters near that cap may hit a CPU timeout (503); normal text at the cap is supported.

Tools

• count_tokens: Count tokens for text in o200k_base and cl100k_base side by side, plus approximate Claude/Gemini/Llama counts with method notes. OpenAI counts (o200k_base, cl100k_base) are exact for those tokenizers. Claude, Gemini and Llama counts are APPROXIMATE (proxy encoding; real tokenizers differ, often by 10-20%, and newer Claude tokenizers by ~30% or more). Cost estimates use a dated price table (prices_as_of 2026-10-27) and are estimates, not live billing. Stateless: text is not stored or logged; no URL fetching. Max input is 256 KB. A single unbroken run of characters near that cap may hit a CPU timeout (503); normal text at the cap is supported.
• truncate_to_budget: Truncate text to max_tokens (keep start or end) for an encoding or model.
• chunk_text: Split text into token-bounded chunks on paragraph/sentence boundaries with character offsets, token counts and optional overlap.
• estimate_cost: Estimate USD cost per model from text or input_tokens plus output_tokens using a dated price table (prices_as_of 2026-10-27). Estimates, not live billing.

Plans

• Free: $0/mo, 2,000 calls
• BASIC: $9/mo, 50,000 calls Buy
• PRO: $15/mo, 250,000 calls Buy

Honest limits

OpenAI counts (o200k_base, cl100k_base) are exact for those tokenizers. Claude, Gemini and Llama counts are APPROXIMATE (proxy encoding; real tokenizers differ, often by 10-20%, and newer Claude tokenizers by ~30% or more). Cost estimates use a dated price table (prices_as_of 2026-10-27) and are estimates, not live billing. Stateless: text is not stored or logged; no URL fetching. Max input is 256 KB. A single unbroken run of characters near that cap may hit a CPU timeout (503); normal text at the cap is supported.

OpenAPI · llms.txt · MCP: https://tokentally.mike-tusa.workers.dev/mcp

By Harlo · Support: digitalpromohub.support@gmail.com