Google has introduced Gemini 2.5 Pro Experimental, the latest addition to its AI model lineup. It boasts enhanced reasoning capabilities and record-breaking benchmark performance. Koray Kavukcuoglu, the Chief Technology Officer of Google DeepMind, made the announcement on Wednesday through a detailed blog post.
Unlike previous models in the Gemini 2.0 series, which relied on specialized “Thinking” variants like Gemini 2.0 Flash Thinking, the Gemini 2.5 series integrates advanced reasoning directly into the base model. Google has subjected the model to rigorous post-training, ensuring it can handle complex reasoning tasks without requiring separate modules.
Although Google has not disclosed specific details about the model’s dataset, architecture, or training methodology, it did reveal that Gemini 2.5 Pro achieved an 18.8% score on Humanity’s Last Exam, a widely recognized benchmark for AI intelligence. This marks a new state-of-the-art achievement among models that do not use external tools.
The model has also outperformed major competitors, including OpenAI’s o3-mini, Grok 3 Beta, Claude 3.7 Sonnet, and DeepSeek R1, excelling in GPQA Diamond, AIME 2024 and 2025, Aider Polyglot, and MMMU benchmarks. Additionally, Gemini 2.5 Pro now holds the top position on the LMArena leaderboard, surpassing models like Grok 3 Preview, GPT 4.5 Preview, and Gemini 2.0 Pro.
Beyond natural language tasks, Gemini 2.5 Pro has demonstrated impressive coding abilities, enabling developers to create visually appealing web applications and agentic code applications with greater efficiency. The model supports native multimodal processing and features a one-million-token context window, allowing it to handle extensive information seamlessly.
The Gemini 2.5 Pro model is available to developers and enterprises through Google AI Studio, while Gemini Advanced subscribers can access it via Gemini’s web client and apps. Google has also announced plans to roll out the model on its Vertex AI platform in the coming weeks, making it more widely accessible to businesses and developers.
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