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pricing9 min readSeptember 14, 2026

Cheapest AI API Weekly Ranking W37 (Sept 14-20 2026): Top 5 Under $0.0014/1M Tokens

Monday W37 (9/14-9/20) cheapest API ranking. Top 5 picks for batch workloads, RAG indexing, and bulk translation. Per-million-token pricing analysis of DeepSeek V4-Flash, GLM-5.3-Flash, Qwen3.8-Flash, MiniMax-M3, Kimi K2.7 with real cost math for 10M / 50M / 100M / 1B token monthly workloads. Includes aggregator arbitrage math via tokenrhythm.

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