Stronger performance per dollar and more smarts per token
GPT-5.6 is rolling out in the API! Our new family of models gives builders three options: Sol (our flagship model for the hardest agentic tasks), Terra (balanced for everyday workflows), and Luna (fast and cost-efficient). GPT-5.6 also introduces Programmatic Tool Calling, Multi-agent (beta) for parallel execution, and explicit prompt caching. On July 23, we're teaming up with Product Hunt for OpenAI Day. The top five launches will each receive $10K in API credits.
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