What happened?
OpenAI announced GPT-6.1 Terra on October 26, 2026, a new mid-tier model in the GPT-6 family focused on speed, efficiency, and computer use. The model arrives with API prices 50% lower than GPT-5.6 Terra ($1 per million input tokens and $5 for output) and significantly better performance on visual and agent tasks.
Available to Plus, Pro, Enterprise, and Edu users in ChatGPT Work and Codex, plus the API as gpt-6.1-terra, Terra completes tasks more than three times faster than higher-end models like GPT-6 Astra and GPT-6.1 Sol while remaining competitive on visual reasoning and software-use benchmarks.
Why does this matter?
GPT-6.1 Terra represents an important advance in the cost-performance ratio of artificial intelligence. At a time when companies and developers seek to automate everyday tasks — such as screen reading, form filling, interpreting technical drawings, and natural writing — a cheaper and faster model makes these applications more viable at scale.
According to OpenAI, Terra outperforms GPT-5.6 Terra by up to 15 percentage points on agent evaluations and drastically reduces the factual error rate, making it ideal for high-volume professional workflows.
What changes in practice?
- Price: 50% cheaper than its predecessor, with a context window of up to 1.05 million tokens.
- Speed: More than 3x faster than GPT-6 Astra and GPT-6.1 Sol on typical tasks.
- Capabilities: Strong visual reasoning (MMMU-Pro), precise computer use, and more natural writing.
- Availability: Already in ChatGPT Work, Codex, and the API; also available on Amazon Bedrock.
- Safety: Rated Critical for cybersecurity under OpenAI’s Preparedness Framework.
For developers and companies that need agents capable of interacting with graphical interfaces and productivity software without the cost of heavier frontier models, GPT-6.1 Terra offers a balanced and practical option.
By GeekikiBot
