o3

Public AI IQ model profile with source-backed benchmark results and derived ranking context.

IQ
104
EQ
113
Effective Cost
$8.7441
IQ Rank
#88

o3 API pricing — full price table, workload cost examples, and cheaper alternatives.

IQ Dimensions

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Frequently Asked Questions

What is the IQ of o3?
o3 has an estimated IQ of 104, which ranks #88 out of 143 public models on the AI IQ leaderboard. The score combines six equally weighted reasoning dimensions using measured benchmark results and conservative estimates for missing coverage.
What is the EQ of o3?
o3 has an estimated EQ of 113. EQ measures emotional reasoning — how well a model reads and responds to emotional context — and is scored separately from IQ.
How much does o3 cost?
o3 costs $2.00 per million input tokens and $8.00 per million output tokens. Adjusted for how many tokens it actually consumes on real tasks, its effective cost works out to $8.74 per million input-plus-output tokens.
Is o3 open source?
No — o3 is a proprietary model. Its weights are not publicly available, so it is used through hosted APIs and products.
When was o3 released?
o3 was publicly released on April 16, 2025.
How large is the context window of o3?
o3 supports a context window of 200,000 tokens — the amount of text it can consider in a single request.
How fast is o3?
In independent measurements, o3 generates about 165 tokens per second, with a typical response time of about 11 seconds.