o3

OpenAI llm

OpenAI's flagship reasoning model succeeding o1. Its announcement reports only tool-augmented figures, so no comparable no-tools scores are recorded here yet.

overall ⌄

—

nothing published

price · $/M tokens

2 / 8

in / out, as of 2026-07-25

to run it yourself ⌄

API only

no weights to run

ChatGPT ↗ Blog ↗

Benchmarks

What its maker published, and what anyone else measured. Every figure links the document it came from.

benchmark	published	measured
MMLU-Pro	—	85.3
GPQA	—	82.7
AIME 2025	—	88.3
SWE-bench	—	58.4
HLE	—	20

Cheaper, and at least as good

Nothing is both cheaper and ranked as high. This model is on the value frontier — whatever you pay for it, you are paying for something.

Lineage

No recorded lineage — root or standalone model.

view in full graph →

Metadata

org	OpenAI
released	2025-04-16
license	proprietary