2025 is solidifying generative artificial intelligence (GAI) as a mature and widely adopted technology. It's no longer just about isolated experiments or trials, but about increasing integration into businesses, governments, universities, and the daily lives of millions of users. The big question is: which model has seen the most growth this year?
The big players in 2025
The IAG market is more competitive and fragmented than ever.
With the release of GPT-5 in September 2025, OpenAI has made a significant leap in generative artificial intelligence capabilities. GPT-5 significantly improves context understanding, text generation, and reduces errors or "hallucinations." This version is integrated into ChatGPT Plus and Microsoft products, such as Copilot, solidifying its leadership in the IAG market.
Google , through its Gemini model, has made progress in offering integrated IAG in mobile devices and smart assistants. Gemini is the evolution of the Bard model and aims to optimize interaction in resource-constrained environments. Although some module names, such as "NanoBanana," are not publicly confirmed, Google continues to invest in IAG to improve its products.
Anthropic has gained ground thanks to its focus on ethics, safety, and reducing incorrect responses (“hallucinations”). Claude has positioned itself as a preferred choice for regulatory and business sectors that require high accuracy and reliability.
DeepSeek is an open-source project originating in China that is gaining popularity among universities and independent developers, especially those seeking customizable and low-cost AI tools. Some models, such as DeepSeek-Coder-V2, have demonstrated competitive capabilities in programming and mathematical reasoning.
Outstanding growth: Claude
Through October 2025, Claude has experienced the most consistent growth. Its ability to handle large context windows and generate structured responses with fewer errors has been key to its adoption in the legal, financial, and research sectors. Furthermore, its strong commitment to ethics and security has solidified its image as a reliable model.
The DeepSeek phenomenon
DeepSeek has been a major surprise in education and independent development. Its focus on open source and local customization of the model allows for accessible use tailored to specific needs, especially in emerging countries seeking more affordable and flexible solutions.
Projection for the end of 2025
With three months to go, Claude is likely to continue its growth in the corporate sector, while DeepSeek will expand its presence in academia and development. The real winner is the diversification of the ecosystem: 2025 will be remembered as the year the IAG shifted from a focus on a handful of players to a shared landscape of multiple platforms with distinct strengths.