Gemini 3.8 Flash
Access Gemini 3.8 Flash through one API key. Google Most Intelligent Flash.
Gemini 3.8 Flash is Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks and multi-step reasoning. Gemini 3.8 Flash is the default Gemini for agents and coding assistants that need strong reasoning at Flash cost, and for any pipeline that ingests audio or video alongside text.
No credit card required. Takes 30 seconds.
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Try it live
Send a message and see Gemini 3.8 Flash respond in real time.
Maximum tokens in the response.
Real-time tokens
Context Window
1.0M tokens
Max Output
66K tokens
Input Price
$1.11 / 1M tokens
Output Price
$5.54 / 1M tokens
Strengths
Significant gains over Gemini 3.7 Flash on software engineering, agentic tasks and multi-step reasoning.
Accepts text, images, files, audio and video in one prompt.
Handles up to 1,048,576 input tokens and returns up to 65,536 output tokens per call.
$1.11 per 1M input and $5.85 per 1M output tokens.
Quick start
Copy this snippet and start making calls with Gemini 3.8 Flash.
const res = await fetch('https://api.yepapi.com/v1/ai/chat', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "google/gemini-3.8-flash",
"messages": [
{
"role": "user",
"content": "Explain API gateways in 2 sentences."
}
],
"maxTokens": 256
}),
});
const { data } = await res.json();
console.log(data.message.content);Why use Gemini 3.8 Flash through YepAPI?
Gemini 3.8 Flash API — pricing, context window & access
Gemini 3.8 Flash is Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks and multi-step reasoning. It pairs a 1,048,576-token context window with up to 65,536 output tokens per response, at $1.11 per 1M input and $5.85 per 1M output tokens through YepAPI.
Through YepAPI you call Gemini 3.8 Flash on an OpenAI-compatible endpoint with a single key — the same key that reaches GPT-6, Claude, Gemini, Grok and the SEO, SERP and scraping APIs. Input: text, images, files, audio, video.
What is Gemini 3.8 Flash?
Gemini 3.8 Flash is Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks and multi-step reasoning. It keeps the Flash tier's price ($1.11 / $5.85 per 1M tokens) and full multimodal input — text, images, files, audio and video — with a 1,048,576-token context window and 65,536 output tokens. It accepts text, images, files, audio, video as input, handles up to 1,048,576 tokens of context and returns up to 65,536 output tokens per call.
Build with Gemini 3.8 Flash via YepAPI
YepAPI serves Gemini 3.8 Flash on the OpenAI-compatible /v1/ai/chat endpoint. Point your base URL at YepAPI, add your key, and set the model string to gemini-3.8-flash (or the full google/gemini-3.8-flash). Function calling, structured outputs and reasoning settings pass straight through, and switching to any other model on the platform is a one-string change per request.
Gemini 3.8 Flash API pricing — $1.11 / 1M input, $5.85 / 1M output
Gemini 3.8 Flash costs $1.11 per 1M input tokens and $5.85 per 1M output tokens through YepAPI, pay per token with no minimums. Failed calls are never charged, and every request is itemised in your dashboard API Logs so you can see exactly what a 65,536-token response cost.
Gemini 3.8 Flash use cases
Gemini 3.8 Flash is the default Gemini for agents and coding assistants that need strong reasoning at Flash cost, and for any pipeline that ingests audio or video alongside text.
Try Gemini 3.8 Flash free
Every new YepAPI account includes $5 in free credit with no card required — enough to test Gemini 3.8 Flash on your own prompts before committing to paid usage. Create an account, copy your key, and call gemini-3.8-flash right away.
Start generating in 30 seconds
$5 free credit on signup. No credit card required. Pay per call.
What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Gemini 3.8 Flash is Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks and multi-step reasoning. Gemini 3.8 Flash is the default Gemini for agents and coding assistants that need strong reasoning at Flash cost, and for any pipeline that ingests audio or video alongside text.
Input tokens cost $1.11 per 1M tokens and output tokens cost $5.54 per 1M tokens through YepAPI. No monthly minimums — you only pay for what you use.
Sign up for a free API key, then send requests to the /v1/ai/chat endpoint.
Gemini 3.8 Flash supports a 1.0M token context window with up to 66K output tokens per request.
Ready to use Gemini 3.8 Flash?
$5 free credit on signup. No credit card required. Pay per call.
Explore more models
Gemini 2.5 Flash
GoogleAccess Gemini 2.5 Flash through one API key. Google's fastest model with 1M context.
Gemini 2.5 Pro
GoogleAccess Gemini 2.5 Pro through one API key. Google's most capable model with 1M context.
Gemini 3.5 Flash
GoogleAccess Gemini 3.5 Flash through one API key. Google's latest fast multimodal model.