OpenAI releases Decisions API and llm plugin
What happened
In October 2026, after DevDay, OpenAI introduced the Jev-style Decisions API. According to The Decoder, OpenAI announced two updates to its API platform, among them a new Decisions API that can evaluate text, images or both, runs at roughly ten times the speed of the Responses API, and is currently in public beta ahead of general availability. Simon Willison then released the llm-openai-decisions 0.1a0 plugin on 7 October 2026 to connect to the API. The current state is that the plugin's first alpha version is out and the Decisions API is in public beta.
Written by AI from the reports · updated 9 d ago
Developments
- Oct 7 23:36 · 1 reportsOpenAI releases Decisions API and adjusts API pricing tiersThe Decoder：OpenAI launches Decisions API that reduces complex evaluations to yes, no, or pick one
- Oct 7 07:04 · 1 reportsOpenAI releases Decisions API and llm pluginSimon Willison：llm-openai-decisions 0.1a0
Timeline
Follow the reports to see the event from each side.
- The DecoderOpenAI launches Decisions API that reduces complex evaluations to yes, no, or pick one
OpenAI's new Decisions API classifies text and images about ten times faster than the Responses API, returning yes/no probabilities, category picks, or scale ratings for $0.10 per million input tokens. The company also cut its paid API tiers from five to three.
- Simon Willisonllm-openai-decisions 0.1a0
Release: llm-openai-decisions 0.1a0 OpenAI released their new Jev-style Decisions API , as previously announced at last week's DevDay. Since I already have an llm-typesafe plugin for talking to Jev, I had GPT-6 Astra read the new OpenAI API documentation and build an llm-openai-decisions plugin inspired by llm-typesafe .
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