Pricing Comparison
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| OpenAI Official | $1.25 | $10.00 |
| Crouter | $0.50$1.25 | $4.00$10.00 |
| You Save | 60% | 60% |
All prices per 1M tokens. No hidden fees, no monthly minimums.
Key Features
400K Context Window
Handle large codebases and complex projects. Sufficient context for most development tasks and code reviews.
Code-Optimized
Fine-tuned specifically for software development. Excels at code generation, debugging, refactoring, and technical documentation.
Multi-Language Support
Expert-level proficiency in Python, JavaScript, TypeScript, Go, Rust, Java, C++, and 50+ programming languages.
Function Calling
Native support for function calling and structured outputs. Build agentic coding tools with reliable tool use.
Perfect For
AI Coding Assistants
Power tools like Cursor, Windsurf, and Aider with specialized code generation. Codex understands project context and coding patterns.
Code Review Automation
Analyze pull requests for bugs, security vulnerabilities, and code quality issues. Provides actionable feedback with code examples.
Refactoring & Optimization
Modernize legacy code, improve performance, and apply best practices. Maintains functionality while improving code quality.
Test Generation
Generate unit tests, integration tests, and test fixtures. Achieves high code coverage with meaningful test cases.
Technical Specifications
| Model ID | gpt-5.1-codex |
| Context Window | 400,000 tokens |
| API Format | OpenAI Chat Completions (/v1/chat/completions) |
| Streaming | Yes (SSE) |
| Function Calling | Yes |
| JSON Mode | Yes |
| Rate Limit | 70 requests/minute |
Quick Start
curl https://api.crouter.dev/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.1-codex",
"messages": [
{"role": "user", "content": "Write a Python function to implement binary search"}
]
}'View full documentation for more examples and integration guides.