LiteLLMModels

Gemini Robotics Er 1.5 Preview API Pricing

As of October 10, 2026, Gemini Robotics Er 1.5 Preview costs $0.30 per 1M input tokens and $2.50 per 1M output tokens on Google Vertex AI, with cache reads at $0 per 1M tokens. It has a 1,048,576-token context window and returns up to 65,535 tokens per response.

By GoogleModel ID vertex_ai/gemini-robotics-er-1.5-previewPrices updated Checked
Input
$0.30 / 1M tokens
Output
$2.50 / 1M tokens
Cache read
$0 / 1M tokens
Context window
1,048,576 tokens
Max output
65,535 tokens
Providers
1
Added to LiteLLM
January 2026

Gemini Robotics Er 1.5 Preview pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMInputOutputCache readContext
Google Vertex AIvertex_ai/gemini-robotics-er-1.5-preview$0.30$2.50$01M

Other Gemini Robotics Er 1.5 Preview prices on Google Vertex AI

Audio input$1.00 per 1M tokens

What Gemini Robotics Er 1.5 Preview costs in practice

1,000 requests with 2,000 input and 500 output tokens each

Google Vertex AI$1.85

100 long-document requests with 100,000 input and 2,000 output tokens each

Google Vertex AI$3.50

Gemini Robotics Er 1.5 Preview features

Input: text, image, video, audio. Output: text.

Use Gemini Robotics Er 1.5 Preview with LiteLLM

Call Gemini Robotics Er 1.5 Preview through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import completion

response = completion(
    model="vertex_ai/gemini-robotics-er-1.5-preview",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: gemini-robotics-er-1.5-preview
    litellm_params:
      model: vertex_ai/gemini-robotics-er-1.5-preview
      vertex_project: os.environ/VERTEX_PROJECT
      vertex_location: os.environ/VERTEX_LOCATION
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "gemini-robotics-er-1.5-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Gemini Robotics Er 1.5 Preview FAQ

How much does Gemini Robotics Er 1.5 Preview cost?

Gemini Robotics Er 1.5 Preview costs $0.30 per 1M input tokens and $2.50 per 1M output tokens on Google Vertex AI, with cache reads at $0 per 1M tokens.

What is the context window of Gemini Robotics Er 1.5 Preview?

Gemini Robotics Er 1.5 Preview has a 1,048,576-token context window and returns up to 65,535 tokens per response.

Which providers offer Gemini Robotics Er 1.5 Preview?

Gemini Robotics Er 1.5 Preview is available from Google Vertex AI through LiteLLM, using the model name vertex_ai/gemini-robotics-er-1.5-preview.

How do I call Gemini Robotics Er 1.5 Preview with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="vertex_ai/gemini-robotics-er-1.5-preview", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

What features does Gemini Robotics Er 1.5 Preview support?

Gemini Robotics Er 1.5 Preview supports function calling, parallel tool calls, structured output, image input and reasoning. It does not support audio output and prompt caching.

When did LiteLLM add Gemini Robotics Er 1.5 Preview?

Gemini Robotics Er 1.5 Preview was added to LiteLLM's model price file in January 2026.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:

LiteLLM docs: Google Vertex AI.

Provider pages: Google Vertex AI.