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Google: Gemini Robotics-ER 1.6 PreviewWork with me

Google: Gemini Robotics-ER 1.6 Preview

byGoogle

Gemini Robotics-ER 1.6 Preview is a reasoning model from Google released on Apr 14, 2026. It reads text, images, audio and video and writes text, with a 131K token context window and up to 66K tokens per reply.

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It costs $1 per million input tokens and $5 per million output tokens.

It supports tool calling and structured JSON output.

Modalities
In / out price
$1 / $5 per 1M
Context
131K
Max output
66K
Released
Apr 14, 2026
Knowledge cutoff
Jan 2025
  • Tool calling
  • Structured output
  • Reasoning
  • Prompt caching
  • Open weights
  • Free to use

Gemini Robotics-ER 1.6 Preview pricing

USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.

Input$1 / 1M tokens
Output$5 / 1M tokens

What Gemini Robotics-ER 1.6 Preview costs per month

Pick a workload close to yours or type your own volumes.

Gemini Robotics-ER 1.6 Preview per month
$128
Without caching
$128
Per request
$0.0043

Supported request parameters

What you can set when you call Gemini Robotics-ER 1.6 Preview through an OpenAI compatible API.

  • Toolstools
  • Structured outputsstructured_outputs
  • Reasoningreasoning
  • Temperaturetemperature

Alternatives to Gemini Robotics-ER 1.6 Preview

Models that take the same inputs and call tools, closest in price, cheaper ones first.

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    by googleSep 2, 20261.05M context$0.75/M input tokens$3.75/M output tokens24 providers

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    by googleMar 26, 2026$0.75/M input tokens$4.50/M output tokens

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    by googleOct 7, 2025$0.50/M input tokens$3/M output tokens4 providers

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Gemini Robotics-ER 1.6 Preview questions

How much does the Gemini Robotics-ER 1.6 Preview API cost?

$1 per million input tokens and $5 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.

What is the context window of Gemini Robotics-ER 1.6 Preview?

131,072 tokens of input, and it can write up to 65,536 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.

Does Gemini Robotics-ER 1.6 Preview support tool calling?

Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.

Is Gemini Robotics-ER 1.6 Preview open source?

No. Google serves it through an API only, so you cannot download the weights or host it yourself.

When was Gemini Robotics-ER 1.6 Preview released?

Apr 14, 2026, with training data up to Jan 2025.

Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.

Building on Gemini Robotics-ER 1.6 Preview?

I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.

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