# OpenAI announced GPT-5.6 Sol, Terra, and Luna

*Published on: Fri, 26 Jun 2026 18:41:43 GMT*

OpenAI announced GPT-5.6 Sol, Terra, and Luna

• Sol — the new flagship model for complex agentic workflows
• GPT-5.6 introduces max reasoning and ultra modes with subagents
• Key focus areas include coding, biology, and cybersecurity
• Access is currently limited following a request from the U.S. government
• Pricing ranges from $1/M input tokens to $30/M output tokens
• In July, Sol will launch on Cerebras at up to 750 tokens/sec

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