







Previewing GPT-5.6 Sol: a next-generation model
OpenAI previews GPT-5.6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.

OpenAI on Twitter / X
GPT-5 is here.Rolling out to everyone starting today.https://t.co/rOcZ8J2btI pic.twitter.com/dk6zLTe04s— OpenAI (@OpenAI) August 7, 2025
Verifying gpt-oss implementations
The OpenAI gpt-oss models are introducing a lot of new concepts to the open-model ecosystem and getting them to perform as expected might ta

GPT 5.5: The System Card
Last week, OpenAI announced GPT-5.5, including GPT-5.5-Pro.

GPT-5.6 Preview System Card - OpenAI Deployment Safety Hub
GPT-5.6 is a new family of three models: Sol, our new flagship model; Terra, a capable lower-cost option; and Luna, our fastest and most cost-efficient model. The safeguards we have built for this launch -- our most robust yet -- are built to deliver these models safely and at scale, around the world.

Introducing GPT-5.4
Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.

GPT-5.6 System Card - OpenAI Deployment Safety Hub
GPT-5.6 is a new family of three models: Sol, our new flagship model; Terra, a capable lower-cost option; and Luna, our fastest and most cost-efficient model. The safeguards we have built for this launch—our most robust yet—are built to deliver these models safely and at scale, around the world.

Release v0.11.0 · ollama/ollama
Welcome OpenAI's gpt-oss models Ollama partners with OpenAI to bring its latest state-of-the-art open weight models to Ollama. The two models, 20B and 120B, bring a whole new local chat experie...
OpenAI gpt-oss· Ollama Blog
Ollama partners with OpenAI to bring gpt-oss to Ollama and its community.

gpt-oss: OpenAI validates the open ecosystem (finally)
OpenAI's first open language model release since GPT 2 and what it means for the ecosystem.

OpenAI introduces 'Ultrafast,' a new mode that makes GPT-5.6 Sol work at 14x the speed | TechCrunch
OpenAI is launching a preview of a sped up version of its latest, most powerful model, in an effort to court enterprise users.

Building with Open Models
GPT-5.6 Sol Model | OpenAI API
GPT-5.6 Sol is the frontier 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.

Model Release Notes | OpenAI Help Center
We’re beginning the rollout of GPT-5.6 Sol in ChatGPT, our flagship reasoning model for complex work across coding, research, science, cybersecurity, computer use, and design.GPT-5.6 Sol is rolling out to eligible paid ChatGPT plans. Free, Go, and logged-out users are not included. Availability may vary during rollout, and managed-workspace access can depend on administrator settings. Availability for other GPT-5.6 family models varies by product and plan; check the model picker or current rate card in the product you use.

Better Call Sol The Workhorse
OpenAI’s GPT-5.6-Sol is finally here, along with the cheaper Terra and Luna.
