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Gemini Decision 1

Google's first decision model joins the catalog through your own OpenRouter or Vercel key.

google/gemini-decision-1 is Google's first decision model, built for the Gemini Decisions API. Send one multimodal input (text, images, audio, video, or a PDF) with up to 1,000 typed questions to POST /api/v1/decisions and get a calibrated probability for every answer in a single pass, not generated chat text. It has a 262,144-token context window and returns in 150-250 ms. Google lists it at $0.10 per 1M input tokens and $0 for output. It is BYOK through OpenRouter or Vercel AI Gateway, and AnyRouter adds no charge. Decision models are free on Go and up.

One request, one yes/no question
const res = await fetch("https://anyrouter.dev/api/v1/decisions", {
  method: "POST",
  headers: {
    Authorization: "Bearer " + process.env.ANYROUTER_API_KEY,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    state: {
      text: "The build failed on a missing dependency.",
      log: "npm ERR! Cannot find module 'left-pad'",
    },
    model: "google/gemini-decision-1",
    questions: {
      should_retry: {
        type: "noul",
        instructions: "Should the build be retried after installing dependencies?",
      },
    },
  }),
})
console.log(await res.json())
Run it with the native anyr command
anyr decision --model google/gemini-decision-1

More: Decisions app · Decisions API reference · Gemini Decisions docs.

Vendor benchmark table comparing Gemini Decision 1 on JevBench, Amazon ESCI, Mind2Web Multimodal, PubMedQA, Global-MMLU-Lite, When2Call, MMAU and Video-MME, with Top-1 ECE calibration and total price
Vendor benchmark table for Gemini Decision 1. Source: Google.
Gemini Decision 1 launch art
Gemini Decision 1 launch art. Source: Google.

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