OpenRouter · gemini-3.1

API GatewayOpenAI compatible

Unified API gateway providing access to 200+ models from multiple providers with standardized pricing.

Active models

370+ 355 deprecated

Families

Founded2023

Latest release2026-10-28

API Base URL

Capabilities

OSSShow deprecated (2)

Model	Caps	Type	Pricing	Released
Google: Gemini 3.1 Flash Litegoogle/gemini-3.1-flash-lite	RTJJMSB	chat	$0.25$1.5	May 7, 2026
Google: Gemini 3.1 Flash Lite Previewgoogle/gemini-3.1-flash-lite-preview	RTJJMSB	chat	$0.25$1.5	Mar 3, 2026
Google: Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview	RTJJMSB	chat	$2$12	Feb 19, 2026
Google: Gemini 3.1 Pro Preview Custom Toolsgoogle/gemini-3.1-pro-preview-customtools	RTJJM	chat	$2$12	Feb 25, 2026
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)google/gemini-3.1-flash-image-preview	RTJJMSB	chat	$0.5$3	Feb 26, 2026
Google: Nano Banana 2 (Gemini 3.1 Flash Image)google/gemini-3.1-flash-image	RTJJMSB	chat	$0.5$3	Jun 18, 2026
Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)google/gemini-3.1-flash-lite-image	RTJJMSB	chat	$0.25$1.5	Jun 30, 2026