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OpenAI · API model

GPT-5.6 Sol

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...

Context
1.05M
Input / 1M
$4
Output / 1M
$20
Released
Jul 9, 2026
Specifications

GPT-5.6 Sol specs

Provider
OpenAI
Type
API model
Model ID
openai/gpt-5.6-sol
Context window
1,050,000 tokens1.05M
Input price
$4per 1M input tokens
Output price
$20per 1M output tokens
Accepts
file, image, text
Produces
text
Released
Jul 9, 2026
Popularity
35/100position #55 in OpenRouter's weekly usage ranking
Source
OpenRouter
Overview

About GPT-5.6 Sol

GPT-5.6 Sol is an API model from OpenAI, released on Jul 9, 2026, with a context window of 1,050,000 tokens, pricing of $4 per million input tokens and $20 per million output tokens. It accepts file, image, text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.06.

Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON modeReasoning
FAQ

GPT-5.6 Sol questions

What is the context window of GPT-5.6 Sol?

GPT-5.6 Sol supports a context window of 1,050,000 tokens.

How much does GPT-5.6 Sol cost?

GPT-5.6 Sol is listed at $4 per million input tokens and $20 per million output tokens on OpenRouter.

When was GPT-5.6 Sol released?

GPT-5.6 Sol was published on Jul 9, 2026.

What inputs does GPT-5.6 Sol accept?

GPT-5.6 Sol accepts file, image, text input and produces text output.