GPT-4o Mini vs Claude Haiku: Which Budget API Model Wins?

GPT-4o mini vs Claude Haiku comparison 2026. Which budget API model is cheaper and better? Cost, quality, and use case breakdown for production teams.

A direct comparison of OpenAI's GPT-4o mini and Anthropic's Claude Haiku — two of the most popular budget-tier API models for production workloads.

Pricing data is verified and updated regularly.