CostPerPrompt

A live AI API pricing tracker that aggregates per-token prices for over 295 models from public provider listings, automatically refreshed daily. It solves the problem of unpredictable AI costs by providing transparent, up-to-date pricing data and calculators that model real-world billing scenarios such as chat history growth, cache hits, batch discounts, and input/output asymmetry. The service targets developers, data teams, and B2B buyers who need to estimate and plan AI API expenses before committing to a budget. It is positioned as an independent, vendor-neutral resource, supported by advertising and affiliate links, with a focus on accuracy and rapid correction of discrepancies.

Key features

• Live pricing for 295+ models
• Automatic daily refresh
• Per-token price comparison
• Cost calculators for chat, RAG, agents
• Voice AI and image API calculators
• GPU price guides
• Batch and cache discount modeling
• Input/output cost asymmetry handling
• Data refresh date displayed
• Correction reporting with fast turnaround