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Model Timeline

Timeline of gpt-oss-20b

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
Release date changedModelgpt-oss-20bOpenAI
gpt-oss-20b: release date changed from 2025-08-04 to 2025-08-05
Release date4 Aug 2025→5 Aug 2025openrouter

openrouter.ai

11 Sept 2026

Release date changedModelgpt-oss-20bOpenAI

gpt-oss-20b: release date changed from 2025-08-05 to 2025-08-04

Release date5 Aug 2025→4 Aug 2025huggingface

huggingface.co

11 Sept 2026

New modelModelgpt-oss-20bOpenAI

New model: gpt-oss-20b (OpenAI)

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.