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Monday, November 9, 2026Sources checked

Models & Research

OpenAI’s GPT-6.1 Terra delivers GPT-6 Astra-level results at 10% of the token price

Interesting Engineering

OpenAI’s GPT-6.1 Terra delivers GPT-6 Astra-level results at 10% of the token price

Picture: Interesting Engineering

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. Faster performance at lower costsGPT-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.

This report was first published by Interesting Engineering. What you see here is a brief excerpt. The full text is theirs.

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