OpenRouter

The Unified Interface For Every Model

LLM SDKs and routers

Open OpenRouter in AirStack

What OpenRouter’s own pages say

What it says it doesThe Unified Interface For Every Model openrouter.ai
IntegrationsOpenAI SDK openrouter.ai
Free planYes openrouter.ai
PlansBusiness, Enterprise, Free, Standard openrouter.ai
Models supportedGemini 4 Argon, GPT-6.1 Sol, Claude Opus 5.5, ~openai/gpt-sol-latest openrouter.ai openrouter.ai
Pricing basisStandard Pay-as-you-go Business Pay-as-you-go openrouter.ai

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.

OpenRouter alternatives