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 SearchHas Fast ModeWebsockets
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5.6-sol', prompt: 'Why is the sky blue?'})Copy link to headingMore models by OpenAI
| Model |
|---|
| 1.1M | 0.9s | 143tps | $1/M$0.20/M +1 more | $6/M$1.20/M +1 more | Read: $0.1/M$0.02/M+1 more Write: $1.25/M$0.25/M+1 more | $10/K + input costs | +4 |    | 07/09/2026 | ||||
| 1.1M | 1.4s | 135tps | $2.50/M$2/M +1 more | $15/M$12/M +1 more | Read: $0.25/M$0.2/M+1 more Write: $3.13/M$2.5/M+1 more | $10/K + input costs | +4 | | 07/09/2026 | ||||
| 1.1M | 0.8s | 114tps | $2.50/M+1 more | $15/M+1 more | Read: $0.25/M+1 more Write: — | $10/K + input costs | +4 | | 03/05/2026 | ||||
| 400K | 5.3s | 119tps | $0.05/M | $0.40/M | Read:$0.01/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | ||||
| 400K | 3.0s | 167tps | $0.25/M | $2/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | ||||
| 131K | 0.2s | 408tps | $0.35/M | $0.75/M | Read:$0.25/M Write:— | — |   +5 | 08/05/2025 |