Google: Gemini 3.5 Flash
Google Gemini 3.5 Flash API pricing
Gemini 3.5 Flash costs $0.600 per million input tokens and $3.60 per million output tokens on Oxyy. These are the pay-as-you-go prices after the current 60% discount (Launch Promo; standard price $1.50 input and $9.00 output), and cached input tokens are billed at $0.060 per million. It accepts text, images, video, audio and files and returns text, with a 1.05M-token context window and up to 66K output tokens per response. A cheaper Google option is Gemini 3.6 Flash at $0.300 / $1.50 per 1M tokens; for every model and rate, see Gemini API pricing.
Providers
Where this model runs, and what each route costs. Requests are sent to a healthy provider automatically; if one errors, the gateway retries against another serving the same model.
| Provider | Input /M | Output /M | Cache read /M |
|---|---|---|---|
| $0.600 | $3.60 | $0.060 |
Capabilities (21)
Supported parameters (14)
A parameter not listed here may be removed before the request reaches the model. When it is, the request still succeeds and the response names it, with the reason, in provider_specific_fields.dropped_params.
Pricing
What this model costs on Oxyy, pay as you go. "Charged" is the rate a request is billed at; the standard price is shown beside it for reference.
| Rate | Standard price | Charged | Unit |
|---|---|---|---|
| Input | $1.50 | $0.600 | per 1M input tokens |
| Output | $9.00 | $3.60 | per 1M output tokens |
| Cached input | $0.150 | $0.060 | per 1M cached input tokens |
| Cache write | $1.50 | $0.600 | per 1M cache-write tokens |
Discount. Charged rates include the current "Launch Promo" discount of 60% on every rate.
Specifications
- Model ID
gemini-3.5-flash- Developer
- Type
- Text
- Input
- Text, images, video, audio and files
- Output
- Text
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Image input
- Up to 20 MB each · PNG, JPEG, WebP, HEIC, HEIF
- File input
- Up to 100 MB each · PDF
- Audio input
- Up to 50 MB each · WAV, MP3, AIFF, AAC, OGG, FLAC
- Video input
- Up to 100 MB each · MP4, MPEG, MOV, AVI, WEBM
- Endpoint
/v1/chat/completions
Quickstart
Call gemini-3.5-flash with a POST to /v1/chat/completions on https://api.oxyy.ai, using your Oxyy API key from the OXYY_API_KEY environment variable. The same key works for every model in the catalog.
import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.oxyy.ai/v1",
api_key=os.environ["OXYY_API_KEY"],
)
response = client.chat.completions.create(
model="gemini-3.5-flash",
messages=[
{"role": "user", "content": "Explain unified AI APIs in one sentence."},
],
)
print(response.choices[0].message.content)Frequently asked questions
What is Gemini 3.5 Flash?
How much does Gemini 3.5 Flash cost?
What is the context length of Gemini 3.5 Flash?
Does Gemini 3.5 Flash support tool calling and structured outputs?
What inputs and outputs does Gemini 3.5 Flash support?
Which API endpoint does Gemini 3.5 Flash use?
What other models does Google have?
Alternatives to Gemini 3.5 Flash
Models of the same kind from other vendors, closest in price first. Prices are pay-as-you-go on Oxyy, through the same API key.