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OpenAI llm

OpenAI's first publicly released reasoning model, trained to use an internal chain of thought before answering.

overall ⌄

36.0

69 of 93 ranked

price · $/M tokens

15 / 60

in / out, as of 2026-07-25

to run it yourself ⌄

API only

no weights to run

Benchmarks

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

benchmark	published	measured
GPQA	78.3	—
SWE-bench	40.9	—

On a 1,000-in, 1,000-out call these cost less and rank no lower — a hard comparison to argue with, and a narrow one. Value covers what it misses.

Devstral Small 2 Mistral AI	$0.00040	overall 42.7
Ministral 3 14B Reasoning Mistral AI	$0.00040	overall 48.1
DeepSeek V4-Flash DeepSeek	$0.00042	overall 59.3
DeepSeek V4-Pro DeepSeek	$0.00130	overall 68.3
MiniMax M2.1 MiniMax	$0.00150	overall 50.9

No recorded lineage — root or standalone model.