LLM Inference Costs Plunge: Token Prices Drop to 1/13th in Four Months

charliermarsh · x · 2026-07-31

A tweet compares current LLM inference costs with those of four months ago. GPT-5.4 (xhigh) scores 51, matching Luna max's performance. However, GPT-5.4 is priced at $2.50/$15, whereas Luna costs only $0.20/$1.20. This means that in roughly four months, the token price for OpenAI's flagship-level intelligence has dropped to about one-thirteenth of its previous cost.

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