GPT-5
FastRouter
FastRouter's GPT-5 AI model boasts a massive context window of 400,000 tokens and advanced capabilities in text input, vision, function calling, and reasoning. With a generous output limit of 128,000 tokens, developers can leverage its cutting-edge features for a wide range of applications. Accessible at $1.25/M input and $10/M output tokens, this model sets a new standard in AI technology.
Key Specifications
Context Window
400K tokens
Max Output Tokens
128K tokens
Input Pricing
$1.25
per million tokens
Output Pricing
$10.00
per million tokens
Capabilities
- Text Generation
- Vision
- Function Calling
- Advanced Reasoning
- File Attachments
Additional Details
- Provider
- FastRouter
- Release Date
- August 7, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text, image