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Model Timeline

Timeline of gpt-4.1

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

Filtered to one entity. Show the whole atlas

Sept 20263

Sept 2026 3

11 Sept 2026
Listed by providerModelgpt-4.1OpenAI
OpenAI API lists gpt-4.1 at $1 in / $4 out per 1M tokens
openrouter
openrouter.ai

11 Sept 2026

Listed by providerModelgpt-4.1OpenAI

OpenAI API lists gpt-4.1 at $2 in / $8 out per 1M tokens

openrouter

openrouter.ai

11 Sept 2026

Listed by providerModelgpt-4.1OpenAI

OpenAI API lists gpt-4.1 at $2 in / $8 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.