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Model Timeline

Timeline of o3-pro

Every recorded change for this model by OpenAI, newest first. Back to the entity page →

5 events

Year

All years 2026

Category · events in the last 365 days

All categories Companies1,573 Models1,473 Research1,103 Releases1,016 Providers & pricing604 Datasets145 Frameworks66 Hardware33 Benchmarks27 Repositories10

Filtered to one entity. Show the whole atlas

Sept 20265

Sept 2026 5

11 Sept 2026
Benchmark resultModelo3-proOpenAI
o3-pro scores 84.55% on GPQA
artificial_analysis
artificialanalysis.ai

11 Sept 2026

Benchmark resultModelo3-proOpenAI

o3-pro scores 21.87 on Artificial Analysis Intelligence Index

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Listed by providerModelo3-proOpenAI

OpenAI API lists o3-pro at $20 in / $80 out per 1M tokens

openrouter

openrouter.ai

11 Sept 2026

New modelModelo3-proOpenAI

New model: o3-pro (OpenAI)

openai

developers.openai.com

11 Sept 2026

Listed by providerModelo3-proOpenAI

OpenAI API lists o3-pro at $20 in / $80 out per 1M tokens

openai

developers.openai.com

Showing up to 400 events. Narrow by year or category, or use the changes feed for cursor-paged history. Times are UTC.