# Gemini Robotics-ER 2 Preview

Gemini Robotics-ER 2 Preview is a text generation model from Google, available through the Impossibl API. Its published context window is 131,072 tokens. The advertised input rate is $2.00 per million input tokens. The advertised output rate is $10.00 per million output tokens.

- Model identifier: ` google/gemini-robotics-er-2-preview `
- Creator: Google
- Model type: Text generation
- Canonical model page: [Gemini Robotics-ER 2 Preview](<https://impossibl.com/google/gemini-robotics-er-2-preview>)
- API availability: Listed as serving through Impossibl.
- Creator release date: 2026-07-30

## Capabilities and limits

- Context window: 131,072 tokens
- Maximum output tokens: Not published in the public catalog; this is separate from the context window.
- Inputs: text, image, audio, video
- Outputs: text
- Tool calling: Not published

## API access

Use ` google/gemini-robotics-er-2-preview ` as the model identifier through the Impossibl API.

Published API endpoints:

- ` /v1/chat/completions `

[API quickstart](<https://impossibl.com/docs/agent-quickstart>) · [Models and billing documentation](<https://impossibl.com/docs/models>)

## Published API prices

All rates are in USD. An unpublished rate is unknown, not zero. Workspace-specific pricing, taxes, balance-purchase fees, billing adjustments, and tool charges can affect the amount paid.

| Usage | Published base rate | Billing unit |
| --- | --- | --- |
| Input | $2.00 | per million input tokens |
| Output | $10.00 | per million output tokens |
| Cache read | $0.20 | per million cached input tokens |
| Cache write (default retention) | Not published | per million tokens |
| Cache write (one-hour retention) | Not published | per million tokens |
| Audio input | Not published | per million audio input tokens |

## Availability and retirement

The model is listed as serving. No retirement is announced in the current public catalog.

## Frequently asked questions

### What is Gemini Robotics-ER 2 Preview?

Gemini Robotics-ER 2 Preview is a text-generation model from Google, available through the Impossibl API.

### How much does Gemini Robotics-ER 2 Preview cost?

Gemini Robotics-ER 2 Preview costs $2.00 per million input tokens and $10.00 per million output tokens through the Impossibl API. Cache reads cost $0.20 per million tokens. All rates are in USD.

### What is the context length of Gemini Robotics-ER 2 Preview?

Gemini Robotics-ER 2 Preview has a 131,072-token context window through the Impossibl API.

### What inputs and outputs does Gemini Robotics-ER 2 Preview support?

Gemini Robotics-ER 2 Preview accepts text, image, audio, and video as input. Gemini Robotics-ER 2 Preview returns text.

### How do I use Gemini Robotics-ER 2 Preview through an API?

Gemini Robotics-ER 2 Preview is available through the Impossibl API. Use google/gemini-robotics-er-2-preview as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

### When was Gemini Robotics-ER 2 Preview released?

Google released Gemini Robotics-ER 2 Preview on July 30, 2026.

Sources: [Creator release announcement](<https://ai.google.dev/gemini-api/docs/changelog>)

## Sources and related links

Prices, limits, capabilities, endpoints, and availability come from the public Impossibl catalog. Creator documentation supplies descriptions and release dates where available; it does not override the published API offering.

- [Public Impossibl model catalog](<https://api.impossibl.com/v1/models>)
- [Full model directory as JSON](<https://impossibl.com/models.json>)
- [Gemini Robotics-ER 2 Preview: model details and pricing](<https://impossibl.com/google/gemini-robotics-er-2-preview>)
- [Model directory](<https://impossibl.com/models>)