Self-hosted LLM vs API: When is Self-hosting More Cost-Effective?
Self-hosted LLM is only cheaper than API when GPU load is high enough. Taking the price on October 8, 2026 as an example, a 27B model needs 6-12% load on rented RTX 3090 to balance with API, while DeepSeek V4.1 Flash never balances on four H200s.
















