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OpenAI releases GPT-6.1 Terra with lower prices and fewer hallucinations

AIArtificial Analysis reports that OpenAI has released GPT-6.1 Terra, priced at $1 per million input tokens and $5 per million output tokens, half or less of GPT-5.6 Terra's price. It scores 6 points higher on the Intelligence Index than GPT-5.6 Terra at max effort, at under a third of the cost per task, and cuts its AA-Omniscience hallucination rate from 88% to 38%.

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The source compares the new model with its predecessor and rivals on cost per task and benchmark scores, showing where the efficiency gains hold and where they stop.

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Artificial Analysis Articles · artificialanalysis.aiPublished · added here

Original title: GPT-6.1 Terra pushes the cost efficiency frontier