Noesion Radarnoesion.ai
Release2026-10-26

OpenAI released GPT-6.1 Terra as a mid-tier model. It costs half what GPT-5.6 Terra and GPT-6.1 Sol charge. Its input price is $1 per million tokens and output $5. It matches pricier models on some tasks. It excels at technical communication and computer use. Its knowledge cutoff is 1 June 2026. It refuses harmful requests less often than Sol. It avoids unnecessary refusals more often than Sol. The rollout is live now.

What changed

GPT-6.1 Sol and Astra were the only mid-to-high tier models available.

What it unlocks

Developers can now use a cheaper mid-tier model for high-volume tasks like invoice processing.

  • $1/M input tokens
  • $5/M output tokens
  • 50% lower API prices than GPT-5.6 Terra and GPT-6.1 Sol
  • knowledge cutoff 1 June 2026

What you need to act on it

  • API access
  • paid plan

Sources

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