Cheaper AI for Your App: Claude Haiku vs. GPT Nano vs. Gemini vs. On-Device vs. Self-Hosted (October 2026)
Paying too much for the Claude API in your app? A costed comparison of every realistic way to cut the bill in late 2026: cheaper Claude tiers, caching and batching, GPT nano, Gemini Flash-Lite, DeepSeek, open-weight inference, self-hosting, and free on-device models.