OpenAI announced on Thursday, the 30th, a significant decrease in the costs of its smaller and mid-sized artificial intelligence models. This measure aims to make the use of these technologies more viable for companies amid growing concerns about AI-related expenses.
Details of Price Cuts
The company, known for developing ChatGPT, implemented an 80% cut in the cost of the GPT 5.6 Luna model and reduced the price of the mid-tier Terra model by 20%. This change comes in an increasingly competitive market, where there are disputes with other companies and the emergence of lower-cost Chinese alternatives.
Impact on Processing Rates
The new pricing structure primarily affects the cost charged for data processing in OpenAI's smaller models. Specifically, the Luna model is now priced at 20 cents per million input tokens, compared to the previous value of US$ 1. The Terra model saw its price drop from US$ 2.50 to US$ 2 per million input tokens.
Regarding response generation, the Luna's cost was reduced from US$ 6 to US$ 1.20 per million tokens, while the Terra was adjusted from US$ 15 to US$ 12. The price of the company's main model, named Sol, remained unchanged.
Market and Competition Context
This reduction occurs during a period when many corporations are finding it challenging to estimate the financial impact of intensive AI use. The sector has shown a trend of transitioning from fixed subscription plans to usage-based billing systems, which can generate instability and increases in operational costs.
OpenAI attributes this possibility of price drops to efficiency advancements integrated into GPT 5.6, citing improvements in both code development and internal system performance optimization.
Competitive Pressure in the Sector
The pricing strategy also exerts pressure on competitors. Anthropic, which has a strong user base among developers and companies with its Claude line, maintains higher prices on the mid-tier model equivalent to Terra. Data shows that Claude Sonnet 4.6 costs US$ 3 per million input tokens and US$ 15 per million output tokens, values higher than those currently practiced by Terra.
Furthermore, the market dispute is intense with the growth of open-source models developed by Chinese competitors, such as GLM 5.2, linked to Z.ai, which is pointed out as an option capable of approaching the performance of major Western companies at a lower cost.
AI Sector Analysis
Analysts observe that the price decrease may encourage more organizations to adopt artificial intelligence tools. However, this movement may also exert financial pressure on companies in the sector before any potential public stock offerings.


