OpenAI: GPT-5.2-Codex

The OpenAI GPT-5.2-Codex model is designed to handle both text and image inputs, with a substantial context length of 400,000 tokens. It supports reasoning and tools integration, making it versatile for complex tasks. While structured output is not explicitly supported, its robust capabilities in handling diverse input modalities and performing reasoning make it a strong candidate for various applications. For users prioritizing cost-effectiveness and performance, the GPT-5.2-Codex should be shortlisted. With a blended benchmark score of 66.4 across multiple independent benchmarks, it offers reliable results. The pricing at $1.75 per million input tokens and $14.0 per million output tokens ensures that cost is manageable while delivering high-quality outcomes; however, the exact performance metrics might vary depending on specific use cases.