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GPT 5.6 Sol (Fast)

GPT-5.6 Sol is the flagship of OpenAI's GPT-5.6 series, its most capable model for long-horizon agentic work across coding, biology, and cybersecurity. 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-fast',
  prompt: 'Why is the sky blue?'
})
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OverviewAPIProvidersThroughputLatencyUptimeStatusSimilar

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Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Regional Inference
Release Date
OpenAI
Legal:Terms•Privacy
1.1M128K
2.3s
66tps
$5/M+1 more
$30/M+1 more
Read:$0.5/M+2 more
Write:$6.25/M$3.13/M+2 more
$10/K
+ input costs
+4
US
07/09/2026