https://help.openai.com/en/articles/10306912-sharing-feedback-evaluation-and-fine-tuning-data-and-api-inputs-and-outputs-with-openai 

1M token group (250K for usage tiers 1-2):

gpt-5.4-2026-03-05
gpt-5.2-2025-12-11
gpt-5.1-2025-11-13
gpt-5.1-codex
gpt-5-codex
gpt-5-2025-08-07
gpt-5-chat-latest
gpt-4.5-preview-2025-02-27 (deprecated and shut down as of 7/14/25)
gpt-4.1-2025-04-14
gpt-4o-2024-05-1...