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GPT 5.6 Sol

GPT 5.6 Sol is the flagship of the GPT-5.6 family and the most capable of the three GPT-5.6 models on AI Gateway, with stronger agentic work across coding, biology, and cybersecurity than the previous generation, better token efficiency, and a context window of 1.1M tokens. Your use is subject to OpenAI's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingFile InputVision (Image)Web SearchWebsockets
Use with AI GatewayView docs
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-5.6-sol',
  prompt: 'Why is the sky blue?'
})
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Latency

P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.