The 0.1a0 plugin connects the LLM command line to OpenAI’s Decisions API, supporting structured questions with text and image inputs.
Simon Willison released llm-openai-decisions 0.1a0 on October 6, adding access to OpenAI’s Decisions API and its gpt-6-luna model through his LLM command-line tool. The plugin provides a command-line interface for requesting structured model decisions from text or images.
According to Willison, the Decisions API is conceptually similar to Jev: both interfaces support three kinds of questions—binary yes-or-no decisions, selection from a set of choices, and numerical scores. He based the plugin on his earlier llm-typesafe integration for Jev and says GPT-6 Astra built it after reading OpenAI’s API documentation.
The principal functional difference in Willison’s comparison is that gpt-6-luna accepts images as well as text, whereas Jev is described as text-only. His example attaches a photograph by URL and asks whether it contains any mammals. The resulting JSON identifies a predicate named “evaluation” and reports a probability of 0.0.
The plugin can be installed with “llm install llm-openai-decisions.” Willison’s sample calls the model with the identifier “openai-decisions/gpt-6-luna” and passes the image through LLM’s attachment option. He refers users to the project README for details on running the other question types.
Willison says both OpenAI Decisions and Jev charge for input tokens but not output tokens. He gives OpenAI’s rate as $0.10 per million input tokens and Jev’s as $0.042 per million. His post provides no additional pricing conditions and reports no comparative quality tests.
The 0.1a0 designation marks this as an early release. For command-line workflows, the plugin could reduce the integration work required to add classification, option selection, or image scoring to shell scripts. However, Willison shows only one image request, so the post provides no basis for judging accuracy, reliability, or statistical variability across broader datasets.
| System | Inputs | Question types | Price per million input tokens |
|---|---|---|---|
| OpenAI Decisions, gpt-6-luna | Text and images | Yes/no, choice, score | $0.10 |
| Jev | Text | Yes/no, choice, score | $0.042 |
Sources
Originally published by AI Feed: Simon Willison Releases OpenAI Decisions Plugin for LLM.
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