OpenRouter API Pricing
Unified API gateway for 200+ AI models from multiple providers
0 paid models · 33 free · Price range: Free - Free /1M
About OpenRouter
OpenRouter provides a unified API to access models from multiple providers including OpenAI, Anthropic, Google, and open-source models. It simplifies multi-model strategies with a single API key and offers competitive pricing through aggregation.
Key Highlights
- 200+ models through single API
- Unified billing and API key
- Automatic fallback routing
- Competitive aggregated pricing
- Free models available
Pricing Features
- Pay-per-token billing
Pay-per-use with small markup over provider prices. Free tier with rate limits. Some models available for free.
API Features
Common Use Cases
- • Multi-Model Applications
- • Model Comparison
- • Fallback Strategies
- • Development & Testing
🎯 Which OpenRouter Model Should You Choose?
Quick recommendations based on your use case.
💰 OpenRouter Monthly Cost Examples
Estimated monthly costs for common use cases.
| Use Case | Monthly Usage | Free Models Router (Flagship) |
|---|---|---|
|
Customer Service Bot
1000 conversations/day
|
500k input 200k output |
$0.00/mo |
|
Code Assistant
200 requests/day
|
1.0M input 500k output |
$0.00/mo |
|
Data Analysis
500 analyses/day
|
2.0M input 300k output |
$0.00/mo |
⚔️ OpenRouter vs Competitors
How does {brand} compare to other major AI providers?
| Brand | Model | Input /1M | Output /1M | Total /1M | Context | vs {brand} |
|---|---|---|---|---|---|---|
|
OpenRouter
|
Free Models Router Current | Free | Free | Free | 200k | — |
OpenAI
|
Codex Mini | $1.50 | $6.00 | $7.50 | 200k | Infinity% more |
|
OpenAI
|
GPT-5.2 Pro | $21.00 | $168.00 | $189.00 | 400k | Infinity% more |
|
OpenAI
|
GPT-5.2 | $1.75 | $14.00 | $15.75 | 400k | Infinity% more |
|
OpenAI
|
GPT-5.1-Codex-Max | $1.25 | $10.00 | $11.25 | 400k | Infinity% more |
|
OpenAI
|
GPT-5.1 | $1.25 | $10.00 | $11.25 | 400k | Infinity% more |
|
OpenAI
|
GPT-5.1-Codex | $1.25 | $10.00 | $11.25 | 400k | Infinity% more |
All Models
❓ OpenRouter Pricing FAQ
What is the cheapest OpenRouter model?
OpenRouter pricing varies by model. Check the comparison table above for current prices.
What is the maximum context length for OpenRouter models?
OpenRouter models support up to 2.0M context length, allowing you to process large documents and maintain long conversations.
How do I choose between OpenRouter models?
For budget projects, choose the cheapest model. For code generation, prioritize low output price. For complex reasoning, choose models with reasoning capability. Use our scenario guide above.