AI Cost Calculator
Calculate and compare API costs for GPT-4, Claude, Gemini and other AI models
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Complete Guide to AI API Cost Calculation
Understanding AI API Pricing
AI model providers charge based on the number of tokens processed. Understanding and calculating these costs is essential for budgeting AI projects and choosing the right model for your use case.
Key Pricing Concepts:
Calculator Modes
Simple Mode
Calculate costs for a single model with specified input/output tokens and request count. Perfect for quick estimates.
Batch Mode
Calculate costs for multiple models and usage patterns. Ideal for projects with different AI pipelines or mixed model usage.
Comparison Mode
Compare costs across multiple models for the same workload. Find the most cost-effective model for your needs.
Cost Optimization Strategies
Model Selection
- • Use smaller models for simple tasks
- • GPT-4o Mini is ~15x cheaper than GPT-4o
- • Claude 3 Haiku is 60x cheaper than Opus
- • Test quality vs cost trade-offs
Prompt Engineering
- • Keep prompts concise
- • Limit max_tokens for responses
- • Cache common prompts/responses
- • Use structured outputs
Monthly Budget Planning
📊 Example Budget Calculation
Scenario: Customer support chatbot with 10,000 conversations/month
| Average input tokens per conversation: | 500 |
| Average output tokens per conversation: | 300 |
| Monthly input tokens: | 5,000,000 (5M) |
| Monthly output tokens: | 3,000,000 (3M) |
| GPT-4o Mini cost (monthly): | ~$2.50 |
Price Comparison by Tier
| Tier | Models | Price Range |
|---|---|---|
| Budget | GPT-4o Mini, Claude Haiku, Gemini Flash | $0.10-$0.60/M |
| Standard | GPT-4o, Claude Sonnet, Gemini Pro | $2-$15/M |
| Premium | Claude Opus, GPT-4-32k | $15-$75/M |
Common Use Cases
Startups & Developers
- • Estimate costs before production
- • Compare providers for budgeting
- • Find cost-performance sweet spot
- • Plan scaling costs
Enterprise Teams
- • Budget allocation across projects
- • Cost center tracking
- • Vendor comparison for procurement
- • ROI calculations