GPT-5-Codex
OpenAI
OpenAI's GPT-5 Codex AI model boasts a massive context window of 400,000 tokens and a generous output limit of 128,000 tokens. With capabilities in text input, vision, function calling, and advanced reasoning, this model is ideal for developers seeking powerful AI solutions. Priced at $1.25/M input and $10/M output tokens, GPT-5 Codex is a valuable tool for a wide range of applications, with training data up to September 30, 2024.
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
Additional Details
- Provider
- OpenAI
- Release Date
- September 15, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text, image