GPT-4 Turbo Preview

GPT-4 Turbo Preview is OpenAI's intermediate-tier large language model with vision capabilities, a 128K token context window, and support for JSON mode and function calling.

Strengths

Handles complex reasoning and multimodal inputs (text and images) with strong performance on coding, analysis, and structured output tasks.

Best for

Applications requiring vision capabilities and larger context windows that predate the GPT-4o release cycle.

Limitations

Superseded by GPT-4o (May 2024) and later variants in OpenAI's current lineup, making it a legacy choice for new projects.