Last refreshed 2026-06-19. Next refresh: weekly.
Why use Gemini 3.1 Pro Preview on Google AI Studio?
Google AI Studio offers Gemini 3.1 Pro Preview with pay-as-you-go pricing at $2.00/1M input tokens. Google AI Studio is a model prototyping environment and API access point for Gemini models, offering an inference playground for developers to test and build AI applications.
Compare Gemini 3.1 Pro Preview across 5 providers to find the best fit for your use caseInput / 1M
$2.00
Output / 1M
$12.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Python + curlInstall
pip install google-genaiAuth
export GOOGLE_API_KEY=...Call
import os
from google import genai
client = genai.Client(api_key=os.environ["GOOGLE_API_KEY"])
response = client.models.generate_content(Model ID
gemini-3.1-pro-previewRequest example
import os
from google import genai
client = genai.Client(api_key=os.environ["GOOGLE_API_KEY"])
response = client.models.generate_content(
model="gemini-3.1-pro-preview",
contents="Hello"
)
print(response.text)Gotchas
- Use the model name directly, e.g. "gemini-2.0-flash", "gemini-1.5-pro", or "gemini-2.5-pro-preview-05-06".
- The examples expect GOOGLE_API_KEY; rename it only if your application config maps the new variable.
Compare Gemini 3.1 Pro Preview Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Google AI Studio | $2.00 | $12.00 |
| GCP Vertex AI | $2.00 | $12.00 |
| OpenRouter | $2.00 | $12.00 |
| Replicate API | $2.00 | $12.00 |
| Vercel AI Gateway | $2.00 | $12.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $12.00 |
Capabilities
VisionMultimodalJSON / Tool useStructured OutputsCode Execution
About Gemini 3.1 Pro Preview
Google: Gemini 3.1 Pro Preview available via OpenRouter. Pricing: $2/1M input, $12/1M output.
Get Started
Model Specs
Released2026-02-19
Context1m
ArchitectureDecoder Only
Knowledge cutoff2025-01