GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier.
Prices update automatically — checked daily against provider list prices.
Independent benchmark scores for GPT-5.6 Terra (batch), measured by Artificial Analysis. Higher is better. Measurement mode: Xhigh.
GPT-5.6 Terra (batch) is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed daily from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
GPT-5.6 Terra (batch) is an AI language model from OpenAI. It is a proprietary model, available through an API.
GPT-5.6 Terra (batch) is not free: it costs $1 per million input tokens and $6 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
Independent benchmarks from Artificial Analysis give it GPQA 90.8%, Humanity's Last Exam 41.9%, Long Context Reasoning 79%, SciCode 52.3%, IFBench 66.3%, τ²-Bench 80.4%, τ-Bench Banking 29.7%, Terminal-Bench 80.1%, Terminal-Bench Hard 62.9%. It is particularly used for code generation.
It generates about 102.5 tokens per second, with a median 7.47s delay before the first token. Measured independently by Artificial Analysis.