o3 Deep Research API Cost Per Query: What Benchmarks Actually Show
OpenAI’s o3 Deep Research API cost per query hits $30 in real-world usage — not because the per-token rate is outrageous, but because you don’t control how many tokens the model consumes. According to independent benchmark data published by Artificial Analysis, 10 test queries on o3-deep-research cost $100 total, while identical workloads on o4-mini-deep-research cost