Estimate LLM API costs instantly

AI Cost Bar for macOS

Stop guessing and start controlling your Large Language Model API spend with the essential menu bar utility for OpenAI, Anthropic, DeepSeek, and Azure models.

AI Cost Bar App Screenshot showing token cost calculations for GPT-4o
AI Cost Bar Logo for macOS

AI Cost Bar

$2.99 USD

The ultimate AI token cost calculator for macOS. Calculate LLM API costs instantly from your menu bar with support for all major providers including GPT-4o, Claude 3.7 Sonnet, DeepSeek, and Azure OpenAI deployments.

Perfect for developers, AI engineers, data scientists, product managers, and anyone working with AI APIs who needs quick, accurate cost estimates for their projects.

Download AI Cost Bar on the Mac App Store

Try Our Free Online LLM Cost Calculator

Need to estimate GPT-4, Claude, or Azure OpenAI costs on the go or from any device? Try our free web-based calculator with up-to-date pricing for all major LLM providers.

Open Web Calculator

Powerful AI Cost Calculator Features

AI Cost Bar puts powerful LLM cost estimation tools right where you need them, saving you time and money on OpenAI, Anthropic, and Azure API costs.

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Instant Cost Calculations

Get immediate API cost estimates directly from your menu bar. No more hunting through OpenAI or Anthropic pricing pages or building complex spreadsheets.

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Multi-Provider Support

Compare costs across popular LLM providers including GPT-4o, Claude 3.7 Sonnet, GPT-4 Turbo, Claude 3 Opus, DeepSeek-V3, and all Azure OpenAI deployments.

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Customizable Pricing Models

Add your own custom pricing models for precise calculations tailored to your enterprise contracts, regional pricing, or specific use cases.

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Save Time & Optimize AI Spend

Quickly estimate costs for prototypes, new features, or A/B testing different language models based on input/output token counts.

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Effortless Workflow Integration

LLM cost calculation is always just a click away in your macOS menu bar, minimizing disruption to your development or product workflow.

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Always Up to Date

Pricing data automatically syncs from our servers to stay current with the latest OpenAI, Azure, and Anthropic pricing changes.

Supported LLM Models

AI Cost Bar supports a wide range of models from leading providers.

OpenAI

  • GPT-4.5-preview
  • GPT-4o
  • GPT-4o-mini
  • o1
  • o3-mini

Anthropic

  • Claude 3.7 Sonnet
  • Claude 3.5 Haiku
  • Claude 3 Opus
  • Claude 3.5 Sonnet
  • Claude 3 Haiku

DeepSeek

  • DeepSeek-V3
  • DeepSeek-R1

Azure

  • Azure OpenAI with Global deployment
  • Azure OpenAI with Regional deployment
  • Azure OpenAI with Data Zone (US/EU)

Real-World Usage Scenarios

See how professionals are using AI Cost Bar to optimize their LLM usage.

Developer Debugging & Optimization

An AI Engineer is testing a new RAG pipeline and experimenting with different chunking strategies, which impacts token counts. They use AI Cost Bar to quickly compare the cost implications of using GPT-4 Turbo vs. Claude 3 Sonnet for the generation step based on sample inputs, helping them choose the most cost-effective model for the required quality during the development cycle.

Product Manager Feature Planning

A Product Manager is proposing a new AI-driven summarization feature for their application. During a roadmap planning session, they use AI Cost Bar to instantly estimate the projected monthly API costs based on expected user interactions and average document lengths. This provides immediate data to justify the budget request and discuss cost-performance trade-offs with stakeholders.

Agency/Consultant Quoting

A consultant building an AI solution for a client needs to provide a cost estimate. They use AI Cost Bar, potentially with custom pricing entered for the client's preferred provider (or their own negotiated rates), to quickly calculate the estimated API spend for different usage tiers, allowing them to provide a more accurate and transparent quote.

Download AI Cost Bar for macOS

Take control of your OpenAI, Claude, and Azure AI costs today for just $2.99!


Download AI Cost Bar on the Mac App Store

Need a quick LLM cost calculation? Try our free web calculator