gpt-5.6-terra

gpt-5.6-terra

GPT‑5.6-terra is OpenAI's most capable frontier model, built to deliver faster, more reliable results for complex professional work.
Azure OpenAI
Direct from Azure
Version: 2026-07-09

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About this model

gpt‑5.6‑terra is a balanced reasoning model in the GPT‑5.6 family that delivers strong reasoning and tool-use capabilities with lower cost and high scalability. Designed for everyday enterprise workloads, Terra provides an optimal balance of performance, efficiency, and cost while supporting up to a 1M‑token context window for large-scale business applications.

Key model capabilities

  • Cost-Efficient Intelligence – Delivers competitive performance at significantly lower cost, making it ideal for scaling AI workloads across the enterprise.
  • Balanced Reasoning – Strong reasoning capabilities that improve as reasoning effort increases, enabling a flexible tradeoff between speed, cost, and depth of analysis.
  • Tool Use & Workflow Execution – Effectively uses tools and external systems to complete real-world business workflows.
  • Long-Context Understanding – Supports up to 1M tokens for processing large documents, knowledge bases, and multi-step workflows.
  • Enterprise Scale – Optimized for high-volume deployments requiring reliable performance and cost efficiency.
  • Robust Safety Protections – Safeguards calibrated to the model's capabilities to help detect and mitigate risk.

Key use cases

gpt‑5.6‑terra is best for scalable enterprise applications that require a balance of reasoning capability, cost efficiency, and throughput. It excels at business automation, knowledge retrieval, document analysis, workflow orchestration, agentic assistance, operational decision support, and other production workloads where organizations need strong performance at scale.

Out of scope use cases

The provider has not supplied this information.

Quick facts

Model providerAzure OpenAI
TypeChat completion, Responses
LifecycleGenerally available (GA)
Input typetext, image
Output typetext
Context window1050k
Token limits128k output

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