1. Measure token input
Count prompt tokens and estimate the input charge for a representative request.
Count tokensAI cost planning for developers
Estimate and compare your monthly AI stack cost.
Model API usage and coding-tool subscriptions using checked prices, token volume, requests, caching, team size, and plan limits.
Popular decisions
Start with pricing and cost questions
Open a source-tracked answer or calculator instead of browsing a generic directory.
API pricing
OpenAI API pricing
Review tracked model rates, cached input, and workload cost.
Check OpenAI pricing API pricingAnthropic API pricing
Review tracked Claude rates, caching, and model selection notes.
Check Anthropic pricing Interactive comparisonCompare AI models
Change token volume and requests to compare monthly API cost.
Open model comparison Coding-tool pricingWindsurf pricing
Check plans, team base fees, developer seats, and cost examples.
Check Windsurf pricing Token toolCount prompt tokens
Count tokens before estimating model input cost.
Open token counter Cost methodologyEstimate monthly LLM cost
Work from requests, token volume, output length, and caching.
Read the cost guideCost workflow
From one prompt to a monthly stack budget
Move from measured usage to a source-tracked estimate, then compare the options that can change the total.
2. Model monthly spend
Add output tokens, request volume, and caching to estimate a fuller API budget.
Calculate monthly cost3. Compare the options
Compare models, providers, and coding-tool subscriptions before choosing a stack.
Compare costsTracked data
Models and tools in the StackLens index
See the most-used entries below, or browse every tracked model.
OpenAI APILLM APIAPI tokensFrom GPT-4o mini: $0.15 input · $0.6 output / 1Mproduction AI features, multimodal apps, developer tooling, broad ecosystem supportAnthropic APILLM APIAPI tokensFrom Claude Haiku 4.5: $1 input · $5 output / 1Mlong document workflows, agentic coding, analysis-heavy tasks, safety-sensitive product teamsCursorAI coding toolSubscriptionFree · Pro $20/mo · Teams $40/user/moindividual developers, small product teams, repo-aware coding help, fast codebase editsOpenAI GPT-4o miniLLM modelAPI tokens$0.15 input · $0.6 output / 1Mlow cost, fast responses, good default for routingOpenAI GPT-4oLLM modelAPI tokens$2.5 input · $10 output / 1Mmultimodal capability, balanced quality, broad ecosystemOpenAI GPT-5.6 SolLLM modelAPI tokens$5 input · $30 output / 1Mhigher-capability OpenAI option, standard short and long context prices tracked, fits OpenAI routing plans