Token & Cost Calculators
154 free token & cost calculators tools in the AI Tools collection — every one runs in your browser with no signup and no uploads. Page 2 of 2.
Special Token Decoder
Identify and explain special tokens in prompts and chat templates
First-Token Latency vs Cost Optimizer
Choose a model that balances time-to-first-token and cost
Streaming vs Batch Mode Cost Comparison
Does streaming affect your LLM bill? Find out here.
Structured Extraction Schema Token Cost
Compare token cost of simple vs complex JSON extraction schemas at scale
Structured Output Token Overhead Calculator
See how JSON mode or structured outputs inflate token costs
Style Consistency Token Manager
Save and reuse style tokens to keep visual consistency across image sets
Summarization Pipeline Cost Planner
Cost out a map-reduce summarization pipeline for long documents
System Prompt Token Auditor
Find token waste in your system prompt and get a slim version
Temperature & Retries Cost Impact Calculator
See how retries and high temperature inflate your token bill
Tiktoken Browser Tool
Tokenize text in your browser with GPT-style cl100k / o200k logic
Token-Based SLA Planner
Set token quotas per user tier to enforce cost SLAs
Token Budget Negotiator for Claude
Set an optimal token_budget parameter for Claude extended thinking
Token Budget Splitter
Allocate a fixed token budget across prompt, context, and reply
Token Burn Rate Dashboard
Enter daily usage and see your token burn rate and spend forecast
Prompt A/B Test Cost Calculator
Plan a statistically significant prompt A/B test within a budget
Token Cost by Language Model Matrix
Full cost matrix: every major model × your token volumes
Code Generation Cost Estimator
Estimate LLM cost to generate, review, or refactor a codebase
Data Extraction Pipeline Cost Estimator
Estimate the cost to extract structured data from N documents with an LLM.
LLM Evaluation Run Cost Estimator
Budget the token cost of running an LLM evaluation benchmark
Legal Document Token Cost Estimator
Estimate cost of running legal documents through an LLM for analysis
Personalization Context Token Cost Calculator
Cost of injecting user history and preferences into every LLM call
Token Cost Heatmap by Model
Color heatmap of 30+ LLMs from cheapest to priciest for your token ratio.
Token Cost per Output Unit Calculator
Convert LLM API costs into cost-per-blog-post, cost-per-email, etc.
Token Count API Tester
Live token count via your own API key — exact, not estimated
Token Count Diff Tool
Compare token counts between two prompt versions
Token Count Estimator (No-Key, All Models)
Estimate token counts across GPT, Claude, Gemini and Llama with no API key.
GitHub Repo Token Estimator
Estimate token count of a GitHub repo before feeding it to an LLM
Token Counter (Multi-model)
Estimate tokens for GPT-4, Claude, Llama and Mistral — entirely client-side.
Token Counting Formula Reference Sheet
Quick-reference guide to token counting rules for all major models
Token Counting Unit Test Generator
Generate unit tests to assert correct token counts in your codebase
Token Density by Content Type Calculator
Compare tokens per word across prose, code, JSON, HTML and more
Token-Efficient Prompt Scorer
Score your prompt on token efficiency vs information density
Token Frequency Analyzer
Analyze token frequency and vocabulary diversity in LLM output.
Token-Inflation Language Checker
Detect wordy phrases in prompts that inflate tokens without adding value.
Tokens-per-Dollar Leaderboard
Which LLM gives you the most tokens for $1?
Token Price Normalization Tool
Normalize per-token prices by quality score for a fair model comparison
Token Savings Leaderboard
See which prompt engineering techniques save the most tokens
Token Trimmer
Trim text to a target token count while preserving sentence boundaries.
Token Visualizer
See exactly how your text is split into tokens with color highlights
Token Waste Analyzer
Find the biggest sources of wasted tokens in your prompts and where to compress.
Multi-Model Tokenizer Playground
Tokenize the same text with GPT, Claude, and Llama side by side
Tokens-per-Second Speed vs Cost Calculator
Rank models by tokens/second per dollar for throughput-sensitive tasks
Tool Calling Token Overhead Calculator
Quantify hidden token costs from tool definitions and results
Translation Token Multiplier Calculator
Estimate token expansion when translating between languages
Vector Database Cost Comparison
Compare hosting costs across Pinecone, Weaviate, Qdrant, and pgvector.
Vector Dimensionality Cost Calculator
Calculate storage size and monthly cost of your embedding index by dimensions.
Vision API Batch Cost Estimator
Total cost to process 1,000 images with GPT-4o Vision or Gemini
Voice API Cost Calculator
Compare TTS and STT costs across OpenAI, ElevenLabs, and Google
GPU VRAM Requirements Calculator
Check if your GPU can run SD 1.5, SDXL, Flux, or video models
Waterfall Prompt Chain Cost Calculator
Total cost of a sequential prompt chain with growing context
Weekly AI Cost Digest Generator
Generate a weekly cost summary from your API usage data
Words-to-Tokens Converter
Instantly convert word counts to token estimates per model
XML Tag Token Overhead Calculator
Measure the token cost of Anthropic-style XML tags in your Claude prompts.
Zero-Shot vs Few-Shot Cost-Quality Calculator
Is the extra token cost of few-shot worth the quality improvement?