Gemini 3.5 Flash - Unifically

Gemini 3.5 Flash is Google’s May 2026 Flash reasoning model for agentic workflows, coding, and multimodal understanding. It accepts text, image, audio, and video input with a 1M-token context window and returns up to 64K output tokens. Reasoning effort is tunable with reasoning_effort set to minimal, low, medium, high, or max.

Model

google/gemini-3.5-flash


Provider	Google
Name	Gemini 3.5 Flash

Supported Endpoints

All three API formats are supported:

Chat Completions — POST /v1/chat/completions
Responses — POST /v1/responses
Messages — POST /v1/messages

Example

curl -X POST https://api.unifically.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "google/gemini-3.5-flash",
    "messages": [
      {"role": "user", "content": "Summarize this document in three bullet points."}
    ]
  }'

Volume discounts are available for almost all models. Reach out at contact@unifically.com to discuss custom pricing.