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o3 Benchmarks - Performance Highlights | AI Stats

o3

OpenAI

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Highlights

Top benchmark results for openai/o3-2025-04-16.

1172#1

0.81#4

0.92#7

0.98#6

0.53#13

0.03#14

BrowseComp Long Context 128k

0.88#4

2517#4

14.38#13

4.38#18

1500#1

FActScore hallucination rate

0.23#6

0.83#16

Graphwalks bfs <128k

0.77#2

Graphwalks parents <128k

0.73#2

Humanity's Last Exam

0.20#10

1036#1

0.74#1

1449#2

1190#11

LongFact-Concepts hallucination rate

0.05#5

LongFact-Objects hallucination rate

0.07#6

NYT Connections

0.80#4

OpenAI-MRCR: 2 needle 128k

0.55#5

0.53#5

Thematic Generalisation

1.83#7

0.85#2

Detailed benchmark comparisons now live in the Compare tool.

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