Inflection 2.5: New Powerful Large Language Model

March 12, 2024

In the rapidly evolving world of artificial intelligence, Inflection AI, a California-based startup, has made significant strides with the launch of its latest Large Language Model (LLM), Inflection 2.5. This upgrade to the company’s existing model, which powers its friendly chatbot Pi, comes on the heels of Anthropic’s Claude 3 release, showcasing the intense competition in the AI landscape.

About Inflection AI

Founded by former co-founders of DeepMind and LinkedIn, Mustafa Suleyman, Reid Hoffman, and Karen Simonyan, Inflection AI introduced its personal AI assistant, Pi, in May 2023. The company’s mission is to create personal AI for everyone, focusing on developing empathetic, helpful, and safe AI models. In November 2023, Inflection AI launched its major foundation model, Inflection 2, which was claimed to be the best LLM at the time.

Introducing Inflection 2.5

Launched on March 7, 2024, Inflection 2.5 is an upgraded in-house model that is competitive with leading LLMs like GPT-4 and Gemini. The company claims that the new model achieves GPT-4’s performance while using only 40% of the computation power required for training. Inflection 2.5 retains Pi’s signature personality and empathetic fine-tuning, making the chatbot more helpful across various domains.

Enhanced Capabilities

Inflection 2.5 has made substantial improvements in areas such as coding and mathematics, achieving impressive results on key benchmarks. The model outperforms its predecessor, Inflection-1, on the MMLU (massive multitask language understanding) benchmark and performs at the 85th percentile of human test-takers on the Physics GRE. Additionally, Pi now boasts world-class real-time web search capabilities, ensuring users have access to up-to-date information.

The Pi Chatbot

Pi is an AI chatbot designed for deep and meaningful conversations, offering a more humane and personable experience compared to other AI assistants like ChatGPT. The chatbot, which is free to use, comes with six distinct voices and has been trained on billions of lines of text from the open web. Initially powered by Inflection-1, Pi was later upgraded to Inflection-2, which outperformed Google’s PaLM 2 on various benchmarks, including MMLU, TriviaQA, HellaSwag, and GSM8k.

Inflection 2.5’s Impact on Pi

With the integration of Inflection 2.5, the Pi chatbot has seen an enhancement in its emotional quotient. Users are engaging with Pi on a wider range of topics, from discussing current events and seeking local recommendations to studying for exams, drafting business plans, and engaging in fun discussions about hobbies. The new LLM maintains Pi’s unique persona and extraordinary safety standards while making the chatbot more helpful overall.

Inflection AI’s Funding and Growth

In June 2023, Inflection AI raised $1.3 billion in a funding round led by Microsoft, Reid Hoffman, Eric Schmidt, Bill Gates, and NVIDIA. This substantial investment has enabled the company to continue its research and development efforts, leading to the creation of cutting-edge AI models like Inflection 2.5.

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