OpenAI Cuts API Costs in Half: Is GPT-6.1 Terra Worth It?

OpenAI has released GPT-6.1 Terra, a new mid-range model that cuts API prices in half compared to the previous generation. According to reporting by The Decoder, the model is built specifically for office automation and software control, shifting the balance of intelligence per dollar for developers and businesses running high-volume tasks.

How much does the GPT-6.1 Terra API cost?

Input tokens cost $1 per million, while output tokens cost $5. This represents half the price of the previous GPT-5.6 Terra and undercuts comparable tiers from competitors.

Cached inputs drop further to $0.05 per million tokens, a quarter of the prior rate. According to Artificial Analysis benchmarks cited by The Decoder, running tasks at lower reasoning effort delivers the best current intelligence-to-cost ratio on the market, slashing task costs from $1.40 down to about $0.40.

How does performance compare to larger models?

Despite the lower cost, GPT-6.1 Terra closes the gap on heavier models. On the Coding Agent Index v2.0, it scores 48 points, trailing only top-tier models while outperforming older versions significantly.

Hallucinations also dropped sharply. The model resorts to guessing only 38 percent of the time when lacking an answer, a major improvement over the 88 percent rate seen in its predecessor.

How to access and use GPT-6.1 Terra

The model is available immediately for deployment and daily workflows through multiple channels:

• Via the OpenAI API for custom applications and automated agents.
• Inside ChatGPT Work and Codex for Plus, Pro, Enterprise, and Edu users.
• Configured directly for desktop and software control workflows.

Is it worth it for your workflow?

For teams building automated agents, form-filling scripts, or routine coding pipelines, GPT-6.1 Terra offers a practical way to scale usage without ballooning cloud budgets. While OpenAI still recommends heavier models like GPT-6.1 Sol for highly complex programming, Terra's combination of speed and low cost makes it the ideal default choice for everyday business automation.