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Simon Willison
simonwillison.net
did:plc:kft6lu4trxowqmter2b6vg6z
My notes on the GPT-4.1 series so far - 1m tokens (across all three models) and GPT-4.1-nano being their cheapest model yet are particularly notable https://simonwillison.net/2025/Apr/14/gpt-4-1/
2025-04-14T18:13:35.886Z