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New release of my llm-openai plugin supporting today's three new GPT-4.1 models from OpenAI: llm install -U llm-openai-plugin llm -m openai/gpt-4.1 "Generate an SVG of a pelican riding a bicycle" github.com/simonw/llm-o...

Simon Willison

@simonwillison.net

14 Apr 2025

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 simonwillison.net/2025/Apr/14/...

simonwillison.netGPT-4.1: Three new million token input models from OpenAI, including their cheapest model yetOpenAI introduced three new models this morning: GPT-4.1, GPT-4.1 mini and GPT-4.1 nano. These are API-only models right now, not available through the ChatGPT interface (though you can try them …

Simon Willison

@simonwillison.net

14 Apr 2025

Added this note to my post to help illustrate how absurdly inexpensive these models have got now. I can use GPT-4.1 nano to generate descriptions of 4,000 images for less than a dollar!

Bornach

@bornach.bsky.social

14 Apr 2025

Could it be a loss leader? We're all gonna end up paying the full cost of it later.

Simon Willison

@simonwillison.net

My hunch is that this is their workhorse model that they're hoping people will fire trillions of tokens through, and as such they're not running it at a loss

14/4/25, 10:35 pm0 reposts1 like

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