OpenAI

GPT-5.6 Sol

OpenAI's model — broad, well-rounded capability.

GPT-5.6 Sol is OpenAI's entry in the lineup: a broad, well-rounded generalist. Having it beside Claude and Grok on vexer means you can pick the model whose answer you like best for a given task, without a second subscription.

Strengths

• Well-rounded performance across many task types
• Familiar style for anyone used to GPT models
• A strong generalist for mixed workloads

Best for

• General-purpose questions and drafting
• Comparing against Claude on the same prompt
• Mixed workloads that span code and prose

Use gpt-5.6-sol in the API, or pick GPT-5.6 Sol in the chat. Compare it in the model catalog.