GPT-5.6 Terra (batch)

GPT-5.6 Terra is a midrange model in OpenAI's GPT-5.6 series that balances capability and efficiency, available in batch mode with a 1.05M token context window.

Strengths

Handles a wide range of tasks without the overhead of flagship reasoning models, maintaining solid capability across general and specialized workloads.

Best for

Batch processing jobs that require a balance between model capability and computational efficiency, particularly when working with large documents or long contexts.

Limitations

Sits below the GPT-5.6 Sol reasoning model in capability; superseded by GPT-6 Astra as OpenAI's flagship model for complex end-to-end work.