o3

o3 is a proprietary language model from OpenAI, released on Apr 24, 2025.

At $2 input and $8 output per million tokens, it ranks #18 of 27 for input price, placing it mid-range on input cost.

Its context window of 200K tokens ranks #24 of 28 for context depth in this dataset.

It targets reasoning, coding workloads.

Throughput is measured at 167 tokens per second (ranked #4 of 21 for throughput).

Full reasoning model; chain-of-thought reasoning tokens billed as output.