OpenAI rolls out budget-priced mid-tier GPT-6.1 Terra
Not a bombshell, but it rivals pricier models on some tasks at a tenth of Astra's API price
OpenAI has introduced a mid-tier model, GPT-6.1 Terra, to its GPT-6.1 lineup, providing strong performance at a lower cost. This new model falls between Luna and Sol in OpenAI's four-tiered product offerings, with Luna being the cheapest and Sol the most expensive. OpenAI claims that Terra offers a better balance of speed, capability, and cost compared to its predecessors, GPT-5.6 Terra and GPT-6.1 Sol, with standard API prices being 50% lower than those of the other two models.
Artificial Analysis, a site tracking model performance and cost, states that GPT-6.1 Terra is the first Terra-class model since GPT-5.6 and is more intelligent at a lower cost. For developers, Terra is an affordable option for automating high-volume tasks, such as reading and processing invoices. In terms of safety, Terra handles harmful requests less frequently than Sol, while also avoiding unnecessary refusals more often than Sol.
However, its knowledge cutoff date is June 1, 2026, making it the most up-to-date of the GPT-6.1 models.
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