OpenAI launches GPT-5.6 and ChatGPT Work agent
OpenAI has launched GPT-5.6 in three tiers – Sol, Terra, and Luna – alongside ChatGPT Work, an agent designed to manage complex workflows rather than merely responding to queries.
What happened?
On 9 July 2026, OpenAI unveiled its most powerful system to date, GPT-5.6. The system is offered in three distinct tiers: Sol, Terra, and Luna. Alongside this, ChatGPT Work was introduced, an agent developed to autonomously execute complete work processes.
Key facts
| Lanseringsdatum | 9 juli 2026 |
|---|---|
| Modellnamn | GPT-5.6 |
| Antal nivåer | 3 |
| Nivånamn | Sol, Terra, Luna |
| Ny agent | ChatGPT Work |
| Kostnad Sol (input/output per miljon tokens) | $5/$30 |
”On July 9, 2026, OpenAI opened its most powerful system yet to the public — GPT-5.6, in three tiers named Sol, Terra and Luna — alongside an agent it calls ChatGPT Work, built to carry out whole jobs rather than merely answer questions”
”the number identifies a model’s generation, while Sol, Terra, and Luna identify durable capability tiers that can advance on their own cadence.”
Why it matters
The launch of GPT-5.6 and ChatGPT Work marks an evolution toward more autonomous AI systems. GPT-5.6’s differentiated models allow for adaptation to various needs and budgets, while ChatGPT Work’s ability to handle full tasks represents a shift beyond purely dialogue-based applications.
Who is affected?
Developers gain access to more advanced models for integration into applications and services. Businesses can potentially automate more complex processes using ChatGPT Work. End users can expect improved AI-driven tools, though job roles may be affected depending on implementation.
What else you should know
The naming strategy using Sol, Terra, and Luna replaces the previous "mini" and "nano" designations to better reflect the model's capacity and generation.
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