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Model Timeline

Timeline of GPT-4.5 Preview

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

3 events

Year

All years 2026

Category · events in the last 365 days

All categories Benchmarks4,947 Models2,231 Companies1,599 Research1,104 Releases1,019 Providers & pricing640 Datasets146 Frameworks136 Hardware43 Repositories10 Pricing2

Filtered to one entity. Show the whole atlas

Sept 20263

Sept 2026 3

11 Sept 2026
Benchmark resultModelGPT-4.5 PreviewOpenAI
GPT-4.5 Preview scores 9.58 on Artificial Analysis Intelligence Index
artificial_analysis
artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-4.5 PreviewOpenAI

GPT-4.5 Preview scores 97.3% on Aider polyglot

aider_leaderboard

aider.chat

11 Sept 2026

Benchmark resultModelGPT-4.5 PreviewOpenAI

GPT-4.5 Preview scores 44.9% on Aider polyglot

aider_leaderboard

aider.chat

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