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In less than a week, two Large Language Models (LLMs) were released that can perform tasks close to or better than OpenAI’s GPT-4. After Anthropic’s Claude 3 caught the attention of his AI community, Inflection AI has announced his latest LLM, Inflection 2.5, a model upgrade that powers the friendly chatbot Pi personal assistant. California-based AI startup Inflection AI, founded by the former co-founders of DeepMind and LinkedIn, introduced Pi, a personal AI, in May 2023.
According to Inflection AI, Pi is designed to be “empathetic, helpful, and safe.” Following the success of the chatbot, the company introduced a new major underlying model, Inflection 2, in November 2023. At the time of Inflection 2’s launch, the company claimed it was the world’s best LLM. This time, the company is back with an upgraded version that is claimed to have performance equivalent to GPT-4. Inflection 2.5, released on Thursday (March 7), is available to all Pi users on pi.ai, iOS, and Android.
What is Inflection 2.5?
According to the manufacturer, Inflection-2.5 is an “upgraded in-house model that can compete with all the world’s leading LLMs such as GPT-4 and Gemini.” The company claims that the newly upgraded LLM comes with its signature personality and unique empathetic tweaks. The company claims that its latest model achieved GPT-4 performance with just 40 percent of the computational power needed to train an OpenAI model.
Additionally, Inflection 2.5 appears to have made significant advances in IQ areas such as coding and math. This means that the model has made significant improvements on key benchmarks. The new upgrade adds world-class real-time web search capabilities to Pi, giving users real-time access to high-quality, up-to-date information.
What is Pi Chatbot?
Pi is an AI chatbot that allows you to have deep and meaningful conversations. To access the chatbot, you must log on to Inflection.AI and click “Meet Pi” to immediately start a conversation with the chatbot.
Pi was launched at a time when the world was marveling at OpenAI’s sensational ChatGPT. ChatGPT offered human-like responses, but Pi had a fundamentally different dynamic. Pi is touted as a chatbot that is more human and has more personality. In other words, Inflection AI calls it a chatbot that is “supportive, smart, and always available.” While ChatGPT and Gemini were primarily personal assistants to help you get work done, Pi is more like a human companion and is free to use. The chatbot comes with six different voices of hers that can liven up your conversations.
On the technical side, chatbots have billions of lines of text displayed on the open web for training purposes. The company says this will allow the Pi to talk to the user and answer a variety of questions. By the way, the name Pi stands for Personal Intelligence, which provides unlimited knowledge depending on the user’s needs.
At launch, Pi was powered by Inflection’s proprietary LLM Inflection-1, trained on thousands of NVIDIA H100 GPUs on extremely large data sets. Based on the evaluation,
Inflection-1 outperformed GPT-3.5, LLaMA, PaLM-540B, and more on a wide range of benchmarks, ranking it as the best model in its compute class. In 2022, the company launched a new model, Inflection-2, trained on his 5,000 NVIDIA H100 GPUs.
Inflection-2 outperformed Google’s flagship LLM PaLM 2 on various benchmarks including MMLU (massive multi-task language understanding), TriviaQA (realistic text-based question answering dataset), HellaSwag and GSM8k. HellaSwag is a challenging dataset for evaluating common-sense NLI (natural language interpretation), which is typically difficult with state-of-the-art AI models. GSM8K stands for Grade School Math 8K, a dataset of 8,500 high-quality elementary school math word problems that require multilevel reasoning.
What is the difference with Inflection-2.5?
With the upgraded language model Inflection-2.5, the company has enhanced the Pi chatbot’s emotional quotient. According to the company, the new LLM allows users to discuss a wide range of topics, including discussing current events, getting recommendations for local restaurants, studying for a biology exam, drafting a business plan, coding, and even fun discussions about hobbies. You will be able to talk to the Pi chatbot about .
According to the company, Inflection-2.5 competes with GPT-4 in many areas, but uses 40% less computing power for training. It achieves 94% of the average performance of GPT-4 on various IQ-oriented tasks. Inflection-2.5 also outperformed his previous Inflection-1 on the MMLU benchmark and showed her 85th percentile performance among human test takers on the Physical GRE.
In essence, Inflection-2.5 maintains the Pi chatbot’s unique personality while maintaining exceptional safety standards. This model accomplishes this while making chatbots a more useful model overall.
Palo Alto, California-based Inflection AI was founded in 2022 by Mustafa Suleiman, Reid Hoffman, and Karen Simonian to create personal AI for everyone. Suleiman is a British AI researcher and co-founder and former head of applied AI at DeepMind, while Hoffman is co-founder of LinkedIn. Last June, the company raised $1.3 billion in a funding round led by Microsoft, Reid Hoffman, Eric Schmidt, Bill Gates, and NVIDIA.
© Indian Express Private Limited
Originally uploaded to: March 10, 2024, 07:02 IST
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