# Previewing GPT-5.6 Sol: a next-generation model

DevFeed: [Previewing GPT-5.6 Sol: a next-generation model](<https://devfeed.tech/articles/previewing-gpt-5-6-sol-a-next-generation-model-6617.md>)

Original publisher: [Read original article](<https://openai.com/index/previewing-gpt-5-6-sol>)

Published: 2026-06-26T10:00:00Z

Content type: article

Language: en

Sources: [OpenAI News](<https://devfeed.tech/sources/openai-news.md>)

Topics: [OpenAI](<https://devfeed.tech/topics/openai.md>), [coding](<https://devfeed.tech/topics/coding.md>), [Cybersecurity](<https://devfeed.tech/topics/cybersecurity.md>), [Security & Privacy](<https://devfeed.tech/topics/security-privacy.md>)

Tags: [agentic](<https://devfeed.tech/tags/agentic.md>), [coding](<https://devfeed.tech/tags/coding.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [cybersecurity](<https://devfeed.tech/tags/cybersecurity.md>), [evaluation](<https://devfeed.tech/tags/evaluation.md>), [gpt](<https://devfeed.tech/tags/gpt.md>), [launch](<https://devfeed.tech/tags/launch.md>), [model](<https://devfeed.tech/tags/model.md>), [openai](<https://devfeed.tech/tags/openai.md>), [product](<https://devfeed.tech/tags/product.md>), [reasoning](<https://devfeed.tech/tags/reasoning.md>), [safety](<https://devfeed.tech/tags/safety.md>), [tools](<https://devfeed.tech/tags/tools.md>)

## AI overview

OpenAI is beginning a limited preview of the GPT-5.6 model family: Sol, Terra, and Luna. Sol is presented as the flagship model with stronger coding, biology, and cybersecurity capabilities, deeper reasoning, subagent support, and an enhanced safety stack. The preview starts with selected trusted partners before broader availability planned for the coming weeks.

## Source excerpt

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.