Available now
Google
gemini-2.5-flash
Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater...
TextToolsFilesVision1MAudioVideoCache
InputFree
OutputFree
Endpointsopenai
Capabilities
ToolsVisionAudio inVideoFilesCacheStructured
Modalities
Input
fileimagetextaudiovideo
Output
text
Quick stats
Context window1M
Max output65.5K
Modechat
TokenizerGemini
Knowledge cutoff2025
Performance
Loading performance data...
Supported parameters
| Parameter | Always | Default |
|---|---|---|
| frequency_penalty | - | (do not send) |
| include_reasoning | - | |
| max_tokens | - | |
| presence_penalty | - | (do not send) |
| reasoning | - | |
| repetition_penalty | - | (do not send) |
| response_format | - | |
| seed | - | |
| stop | - | |
| structured_outputs | - | |
| temperature | (do not send) | |
| tool_choice | - | |
| tools | - | |
| top_k | - | (do not send) |
| top_p | (do not send) |
§ 01
Pricing
| Input price | $0.00 · 1M tokens |
| Output price | $0.00 · 1M tokens |
| Compatible endpoints | openai |
| Vendor |
§ 02
Call gemini-2.5-flash from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
bash
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-2.5-flash",
"messages": [{"role": "user", "content": "Hello!"}]
}'§ 03
Frequently asked questions
How much does gemini-2.5-flash cost per 1M tokens?
Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access gemini-2.5-flash via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=gemini-2.5-flash. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
§ 04
Similar models
Try gemini-2.5-flash now
Create an API key and start making requests in under a minute.