Gpt 5.6 Sol

proprietary

GPT-5.6 Sol is a flagship model in the GPT-5.6 family. It roughly corresponds to the unsuffixed model tier used in earlier GPT-5 families. The `gpt-5.6` alias routes requests to GPT-5.6 Sol. Reasoning.effort supports: none, low, medium (default), high, xhigh, and max.

Intelligence
Reasoning
Speed
Context
1.1M
Max output
128K
Input price
$4/1M tokens
Output price
$20/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDopenai/gpt-5.6-sol
Provider Perplexity
Creator OpenAI
Familygpt-5.6
Licenseproprietary
Statusactive
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1.1M tokens
Max input922K tokens
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff
Release date—
Sourceofficial

Pricing

Input
$4
Output
$20
Cache write
—
Cache read
$0.4
Batch in
—
Batch out
—

Input: 4.00 (≤272k) 8.00 (>272k); Output: 20.00 (≤272k) 30.00 (>272k) per 1M tokens.

Family Comparison: gpt-5.6

ModelContextMax outPricing
Gpt 5.6 Luna1.1M128K$0.2$1.2
Gpt 5.6 Terra1.1M128K$2$12
Gpt 5.6 Sol1.1M128K$4$20

API

GET/v1/models/perplexity/openai/gpt-5.6-sol