> You're eligible for free daily usage on traffic shared with OpenAI through April 30, 2025.
    > Up to 1 million tokens per day across gpt-4.5-preview, gpt-4.1, gpt-4o and o1
    > Up to 10 million tokens per day across gpt-4.1-mini, gpt-4.1-nano, gpt-4o-mini, o1-mini and o3-mini
    > Usage beyond these limits, as well as usage for other models, will be billed at standard rates. Some limitations apply. 

Is just this something I haven't noticed before? Or is this new?

Not new, launched in December 2024. https://community.openai.com/t/free-tokens-on-traffic-shared...

So, that's like $10/day to give all your data/prompts?