The spectacular advances in the field of artificial intelligence are rapidly redefining the technological landscape. Innovative models are emerging every day, challenging established norms. May 2025 was particularly significant, revealing unprecedented performances among the top AI systems. Mastering new trends remains essential for professionals. What innovations are shaping the success of top-ranked models? This in-depth analysis provides an unmatched overview of current leaders. Assess the impact of these models on your sector.
The performances of AI models in May 2025
The technological advancements during spring 2025 enabled artificial intelligence models to stand out in various sectors. The Chatbot Arena, which evaluates the performances of models, revealed significant trends this month. The latest AI models underwent rigorous scrutiny, testing their effectiveness and accuracy.
Top 10 AI Models
Gemini 2.5 Pro and Flash lead the ranking
In May 2025, the models Gemini 2.5 Pro and Gemini 2.5 Flash dominate the rankings. These models, unveiled at the end of March, display respective Elo scores of 1,446 and 1,418. They are positioned as formidable competitors to OpenAI’s offerings. The ability of these models to carry out complex reasoning by breaking it down into tasks is a major asset in their effectiveness.
OpenAI maintains its presence
Although OpenAI models have often lagged behind competitors, they remain firmly entrenched in the top 5. The model o3 secures 3rd place with a score of 1,409, followed by ChatGPT 4o in 4th position with 1,405. The model GPT-4.5 is ranked 6th with a score of 1,394, while a new version, GPT-5, is expected to revive OpenAI’s offerings.
New entrants into the ranking
The Chatbot Arena ranking also includes lesser-known models that have caught attention. Hunyuan TurboS, developed by Tencent, makes its appearance in the top 10 with a score of 1,356. This model fits into the trend of AI chain-of-thought, enabling in-depth analysis and efficient decision-making.
The ranking criteria of the Chatbot Arena
The methodology of the Chatbot Arena is based on a direct comparison between different AI models. Users, by anonymously evaluating their performances, avoid potential biases. This innovative method allows for the assessment of model effectiveness based on objective criteria.
The Elo score system, inspired by chess, functions as a dynamic indicator of a model’s skill level. Thus, a model’s performance evolves based on wins and losses against other models, contributing to an increasingly accurate evaluation.
The models that make up the top 10
Here are the ten most performant AI models according to the Chatbot Arena in May 2025:
- Gemini-2.5 Pro : 1,446
- Gemini-2.5 Flash : 1,418
- OpenAI o3 : 1,409
- ChatGPT 4o : 1,405
- Grok-3 : 1,399
- GPT-4.5 : 1,394
- Gemini-2.5 Flash (previous version) : 1,387
- DeepSeek V3 : 1,368
- GPT-4.1 : 1,365
- Hunyuan TurboS : 1,356
The update of these rankings shows how quickly the landscape of artificial intelligence is evolving, with models providing constant innovation. Competition intensifies between quantitative and qualitative aspects, altering user and business expectations regarding this technology.
Frequently Asked Questions
What criteria are used to rank AI models in the May 2025 top 10?
AI models are ranked according to the Elo score, which measures their performances based on direct comparisons made by users of the Chatbot Arena. This system helps ensure the impartiality of the ranking.
Which Google models occupy the top two positions in the May 2025 ranking?
The top two Google models in the May 2025 ranking are Gemini 2.5 Pro and Gemini 2.5 Flash.
How does OpenAI position itself relative to its competitors in the May 2025 ranking?
OpenAI maintains a solid presence in the top 5 with the models o3 and ChatGPT 4o ranked 3rd and 4th respectively, but they are outpaced by competing models.
Are there any new arrivals in the May 2025 ranking?
Yes, the model Hunyuan-TurboS, developed by Tencent, is a newcomer in the ranking, incorporating a chain-of-thought reasoning mechanism.
Why have OpenAI models been outpaced by competitors since late 2024?
Competitors have intensified their innovation efforts and introduced models with enhanced capabilities, while OpenAI continues to consolidate its existing models.
How are the performances of AI models measured in the Chatbot Arena?
Performances are measured through duels where users anonymously compare two models and choose the one that best responds to a specific request.
What is the impact of the Google I/O event on AI in May 2025?
The Google I/O was entirely focused on improving AI tools, demonstrating Google’s commitment to developing competitive models like Gemini, thereby contributing to their ongoing success.
What are the forecasts for GPT-5 and its impact on the ranking?
GPT-5, announced as imminent by Sam Altman, could potentially restore OpenAI’s leading position in the AI model ranking, improving its performance relative to competing models.
