WHY WE PICKED IT
Sol ranks third overall on the Artificial Analysis Intelligence Index at 58.9, behind Claude Opus 5 and Claude Fable 5, a genuine top-tier frontier model rather than an incremental update, and OpenAI's clear flagship pick for the hardest professional-grade tasks.
GETTING STARTED
Access GPT-5.6 Sol via the OpenAI API. Standard short-context pricing is $5/M input and $30/M output tokens; requests above 272K input tokens are billed at $10/M input and $45/M output for the full request. Reserve Sol for your hardest tasks and use the cheaper Terra or Luna tiers for everyday work to control cost.
QUICK TIPS
1
Route routine tasks to Terra or Luna and reserve Sol for genuinely hard problems
2
Watch the 272K-token threshold, pricing jumps significantly above it
3
Use the full 1.05M context window for whole-codebase or whole-document analysis
4
Take advantage of computer-use support for browser/desktop automation tasks
5
Structure multistep agent workflows to checkpoint progress given the task complexity it's built for
PRICING
Paid
Requires a paid subscription.
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FREQUENTLY ASKED QUESTIONS
Q
Is GPT-5.6 Sol free?
A
No, GPT-5.6 Sol requires a paid subscription.
Q
Does GPT-5.6 Sol have an API?
A
No, GPT-5.6 Sol does not appear to offer a public API.
Q
What is GPT-5.6 Sol best for?
A
GPT-5.6 Sol is best for Best for Professional-Grade Reasoning. GPT-5. Sol ranks third overall on the Artificial Analysis Intelligence Index at 58.9, behind Claude Opus 5 and Claude Fable 5, a genuine top-tier frontier model rather than an incremental update, and OpenAI's clear flagship pick for the hardest professional-grade tasks.
Q
What platforms does GPT-5.6 Sol support?
A
GPT-5.6 Sol supports web, api.
Q
Is GPT-5.6 Sol open source?
A
No, GPT-5.6 Sol is not open source.
Q
How do I get started with GPT-5.6 Sol?
A
Access GPT-5.6 Sol via the OpenAI API. Standard short-context pricing is $5/M input and $30/M output tokens; requests above 272K input tokens are billed at $10/M input and $45/M output for the full request. Reserve Sol for your hardest tasks and use the cheaper Terra or Luna tiers for everyday work ...
Q
How do I use GPT-5.6 Sol?
A
GPT-5.6 Sol is a large language model for text generation, analysis, and conversation. Access through the web interface. Enter prompts or questions to get responses. It excels at #2 overall on the artificial analysis intelligence index (58.9%).
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