Gemini 3.5 Flash API
gemini-3.5-flashGemini 3.5 Flash is generally available (GA), stable for production at scale. As our most intelligent Flash model, it delivers consistent leadership on agentic execution, coding, and long-horizon tasks.
API Documentation
View complete API reference with all parameters and examples.
Full API Documentation
View complete API reference with streaming, thinking, and more.
Pricing
Billing: Cost = (input_tokens * input_price + output_tokens * output_price) / 1,000,000
GA Release
Production-stable for scale
Most Intelligent Flash
Top-tier capability in the Flash tier
Agentic Execution
Built for tool-using agent workflows
Long-horizon Tasks
Maintains performance across long chains
About Gemini 3.5 Flash
Gemini 3.5 Flash is a Large Language Model API provided by Google. Gemini 3.5 Flash is generally available (GA), stable for production at scale. As our most intelligent Flash model, it delivers consistent leadership on agentic execution, coding, and long-horizon tasks. Through APIMODELS platform, you can access this model via a unified API with transparent pay-as-you-go pricing. Current pricing: Input: $0.662, Output: $3.971 per 1M tokens.
Key Features
- GA Release -- Production-stable for scale
- Most Intelligent Flash -- Top-tier capability in the Flash tier
- Agentic Execution -- Built for tool-using agent workflows
- Long-horizon Tasks -- Maintains performance across long chains
Use Cases
Chatbot & Customer Support
Build intelligent conversational systems to automatically answer user queries and improve service efficiency.
Content Generation
Automatically write articles, emails, ad copy, and other text content to boost productivity.
Code Assistant
Assist with code writing, debugging, and code review to accelerate software development.
Data Analysis
Understand and analyze unstructured data, extract key insights, and generate summary reports.
Why APIMODELS
- Unified API -- One API key to access all models, no need to register on multiple platforms
- Transparent Pricing -- Pay-as-you-go with per-call pricing published on every model page, ideal for indie developers and startups
- Instant Access -- Start using immediately after signup, supports Stripe and Alipay payments
- Full Documentation -- Detailed API docs with code examples in cURL, Python, and Node.js
Frequently Asked Questions
How much does Gemini 3.5 Flash cost?
Gemini 3.5 Flash is available through APIMODELS at: Input: $0.662, Output: $3.971 per 1M tokens. Billing is pay-as-you-go — you only pay for what you generate.
How to use Gemini 3.5 Flash API?
Sign up at APIMODELS, get your API key, and call our unified API endpoint. We provide detailed API documentation with code examples in cURL, Python, and Node.js.
What is the difference between APIMODELS and the official Google API?
APIMODELS offers the same Gemini 3.5 Flash model through our aggregation platform. We provide a unified API interface so you do not need separate accounts for each provider - one API key to access all models.
How does Gemini 3.5 Flash compare to other Large Language Model models?
On APIMODELS, Gemini 3.5 Flash runs alongside 60+ models on one API key and one balance, so choosing is about fit, not lock-in. It supports GA Release, Agentic Execution, Long-horizon Tasks, Production-ready, and you can weigh it on price and capability against other Large Language Model models, then switch by changing a single model-name string — no new account or integration. Browse every Large Language Model option with live pricing at apimodels.app/models.
What can Gemini 3.5 Flash do?
Gemini 3.5 Flash supports: GA Release, Agentic Execution, Long-horizon Tasks, Production-ready. See the APIMODELS docs for full parameters and call examples.
Can I access the Gemini 3.5 Flash API from anywhere (incl. China)?
Yes. APIMODELS exposes Gemini 3.5 Flash through a single unified API and one key — no separate provider accounts, and no need to handle each provider's regional network access yourself.
What payment methods are supported?
We support Stripe (Visa, Mastercard, and other international cards) and Alipay. Credits are available instantly after payment.