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GPT-5.6 is OpenAI's latest model family, led by the Sol flagship and the balanced Terra model, built for coding, knowledge work and research with better token efficiency than earlier generations. ai-chat.pro is an independent workspace powered by OpenAI's newest models through the official API - one subscription instead of several.
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GPT-5.6 is OpenAI's newest generation, released in July 2026. The Sol flagship targets the hardest coding, science and knowledge tasks, while Terra balances quality and speed for everyday work - both with noticeably better token efficiency.
The GPT-5.6 generation excels at coding, structured analysis, cybersecurity and science tasks, and long multi-step reasoning. For quick simple prompts a faster model is often the better pick.
Yes. The trial costs just $1 and gives you access to the model catalog so you can compare the GPT-5.6 generation with other models before committing to a plan.