Gemini 4 Hydrogen API Pricing
- Input / output
- $1.50 / $7.50 per 1M tokens
- Cache read
- $0.075 / 1M
- Context
- 1M tokens
- Max output
- 1M tokens
As of November 12, 2026, Gemini 4 Hydrogen costs $1.50 per 1M input tokens and $7.50 per 1M output tokens on Google AI Studio, with cache reads at $0.075 per 1M tokens. It has a 1,048,576-token context window and returns up to 1,048,576 tokens per response.
Gemini 4 Hydrogen pricing by provider
2 listings across 2 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.
| Provider | Model name in LiteLLM | Input | Output | Cache read | Batch in | Batch out | Context |
|---|---|---|---|---|---|---|---|
| Google AI Studio | gemini/gemini-4-hydrogen | $1.50 | $7.50 | $0.075 | $0.75 | $3.75 | 1M |
| Google Vertex AI | vertex_ai/gemini-4-hydrogen | $1.50 | $7.50 | $0.075 | $0.75 | $3.75 | 1M |
Other Gemini 4 Hydrogen prices on Google AI Studio
| Priority input | $2.70 per 1M tokens |
| Priority output | $13.50 per 1M tokens |
| Flex input | $0.75 per 1M tokens |
| Flex output | $3.75 per 1M tokens |
| Web search | $14.00 per 1K searches |
What Gemini 4 Hydrogen costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| Google AI Studio | $6.75 |
| Google Vertex AI | $6.75 |
| Google AI Studio batch | $3.375 |
100 long-document requests with 100,000 input and 2,000 output tokens each
| Google AI Studio | $16.50 |
| Google Vertex AI | $16.50 |
Gemini 4 Hydrogen cost calculator
At Google AI Studio's price ($1.50 input, $7.50 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $52.50 a day, about $1,575 a month. Change the numbers for your workload, or compare it with other models.
- Per request
- $0.00525
- Per day
- $52.50
- Per month (30 days)
- $1,575
Gemini 4 Hydrogen features
Input: text, image, audio, video. Output: text.
- Function calling
- Parallel tool calls
- Structured output
- Image input
- PDF input
- Audio input
- Audio output
- Video input
- Reasoning
- Prompt caching
- Web search
- Computer use
Use Gemini 4 Hydrogen with LiteLLM
Call Gemini 4 Hydrogen 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.
from litellm import completion
response = completion(
model="gemini/gemini-4-hydrogen",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: gemini-4-hydrogen
litellm_params:
model: gemini/gemini-4-hydrogen
api_key: os.environ/GEMINI_API_KEYcurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $LITELLM_API_KEY" \
-d '{
"model": "gemini-4-hydrogen",
"messages": [{"role": "user", "content": "Hello!"}]
}'Gemini 4 Hydrogen FAQ
How much does Gemini 4 Hydrogen cost?
Gemini 4 Hydrogen costs $1.50 per 1M input tokens and $7.50 per 1M output tokens on Google AI Studio, with cache reads at $0.075 per 1M tokens. Batch requests cost $0.75 per 1M input tokens and $3.75 per 1M output tokens.
What is the context window of Gemini 4 Hydrogen?
Gemini 4 Hydrogen has a 1,048,576-token context window and returns up to 1,048,576 tokens per response.
Which providers offer Gemini 4 Hydrogen?
Gemini 4 Hydrogen is available from 2 providers through LiteLLM: Google AI Studio and Google Vertex AI.
How do I call Gemini 4 Hydrogen with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="gemini/gemini-4-hydrogen", 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 4 Hydrogen support?
Gemini 4 Hydrogen supports function calling, parallel tool calls, structured output, image input, PDF input, audio input, video input, reasoning, prompt caching, web search and computer use. It does not support audio output.
When did LiteLLM add Gemini 4 Hydrogen?
Gemini 4 Hydrogen was added to LiteLLM's model price file on November 12, 2026.
Compare Gemini 4 Hydrogen
Sources
Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:
- aistudio.google.com/docs/pricing#gemini-4-hydrogen
- cloud.google.com/gemini-enterprise-agent-platform/generative-ai/pricing
LiteLLM docs: Google AI Studio, Google Vertex AI.
Provider pages: Google AI Studio, Google Vertex AI.