OpenAI has released GPT-6.1 Terra, a new model built to handle complex computer-based work at a lower cost. It focuses on tasks that require visual reasoning and interaction with desktop applications. The release also brings substantial gains in factual accuracy and coding performance over GPT-5.6 Terra.
Terra targets practical workloads that businesses want to automate without paying premium prices for every task. These include processing invoices and interpreting technical drawings. OpenAI says the model can also tackle demanding professional tasks at a fraction of the cost of its more expensive alternatives.
GPT-6.1 Terra delivered a significant improvement on Agents’ Last Exam, a benchmark covering complex professional tasks. Challenges include converting architectural drawings into 3D models and documenting individual film shots for restoration teams.
At medium reasoning effort, Terra scored 15 percentage points higher than GPT-5.6 Terra. OpenAI achieved that improvement at roughly one-third of the cost. Terra also matched GPT-6 Astra’s performance on the benchmark at approximately one-tenth of its price per token.
GPT-6.1 Terra: delivering fast and capable computer use at a lower price.
GPT-6.1 Terra understands what’s on screen, takes action across apps, writes naturally, and is a more capable model for your whole workday with the efficiency to take on more of it. pic.twitter.com/8JTN1yonmV
Speed offers another advantage. OpenAI says Terra completes tasks more than three times faster than GPT-6 Astra and GPT-6.1 Sol. At maximum reasoning effort, it also achieves roughly nine times lower task costs than Claude Opus 5.5.
The results extend to desktop automation.
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