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OpenRouter

OpenRouter

164 models available

Documentation

Models

Browse all models from OpenRouter

Gemma 3n 4B (free)

openrouter

Open Weights

Input

Free/1M

Output

Free/1M

Context

8K

Max Output

2K

Gemini 2.5 Flash Lite Preview 09-25

openrouter

ReasoningTool UseVision

Input

$0.10/1M

Output

$0.40/1M

Context

1.0M

Max Output

66K

Gemma 3 4B (free)

openrouter

Open WeightsVision

Input

Free/1M

Output

Free/1M

Context

33K

Max Output

8K

Gemini 2.0 Flash Experimental (free)

openrouter

Tool UseVision

Input

Free/1M

Output

Free/1M

Context

1.0M

Max Output

1.0M

Gemma 3 27B

openrouter

Tool UseOpen WeightsVision

Input

$0.04/1M

Output

$0.15/1M

Context

96K

Max Output

96K

MAI DS R1 (free)

openrouter

ReasoningTool UseOpen Weights

Input

Free/1M

Output

Free/1M

Context

164K

Max Output

164K

GPT-5.2 Chat

openrouter

ReasoningTool UseVision

Input

$1.75/1M

Output

$14.00/1M

Context

128K

Max Output

16K

gpt-oss-20b (free)

openrouter

ReasoningTool UseOpen Weights

Input

Free/1M

Output

Free/1M

Context

131K

Max Output

33K

GPT OSS Safeguard 20B

openrouter

ReasoningTool Use

Input

$0.07/1M

Output

$0.30/1M

Context

131K

Max Output

66K

GPT-5.2-Codex

openrouter

ReasoningTool UseVision

Input

$1.75/1M

Output

$14.00/1M

Context

400K

Max Output

128K

GPT-5.1-Codex

openrouter

ReasoningTool UseVision

Input

$1.25/1M

Output

$10.00/1M

Context

400K

Max Output

128K

GPT-4.1 Mini

openrouter

Tool UseVision

Input

$0.40/1M

Output

$1.60/1M

Context

1.0M

Max Output

33K

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API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1
Documentation