OpenAI rolls out budget-priced mid-tier GPT-6.1 Terra

OpenAI expanded its GPT-6.1 model family with the new Terra tier, positioned between its budget Luna models and premium Sol/Astra offerings. The Terra model provides 50% cost reduction compared to GPT-5.6 Terra and GPT-6.1 Sol, with pricing at $1/M input tokens and $5/M output tokens. OpenAI designed Terra to make high-volume automation practical, such as processing invoices and data entry, while maintaining strong performance per cost metrics tracked by industry analysts.

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