OpenAI launches GPT-5.6 Sol, improving token efficiency for coding tasks

Jul 9, 2026

AI Summary

OpenAI has introduced its latest AI model, GPT-5.6 Sol, which is reported to be 54% more token efficient for agentic coding tasks compared to previous versions. The launch is initially limited to a select group of partners following collaboration with U.S. government officials to ensure safety and compliance.

OpenAI's new model, GPT-5.6 Sol, is 54% more token efficient on agentic coding tasks than earlier models.
CEO Sam Altman stated that the model performs as well or better than competitors in the market.
The launch includes other models named Terra and Luna, and is restricted to a small group of trusted partners at the request of the U.S. government.
OpenAI collaborated with U.S. government officials, including Commerce Secretary Howard Lutnick and Treasury Secretary Scott Bessent, during the approval process.
Altman emphasized the importance of demonstrating safety and reliability for broader access to powerful AI models.

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OpenAI launches GPT-5.6 Sol, improving token efficiency for coding tasks

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