Tokenometer Earns a 80 Proof of Usefulness Score by Benchmarking the Real Dollar Cost of LLM Prompts Post date May 26, 2026 Post author By Faraazuddin Mohammed Post categories In ai-cost-optimization, ai-observability, cost-regression-testing, hackernoon-hackathon, llm-benchmarking, machine-learning, proof-of-usefulness-hackathon, tokenometer