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5 Best Open Source LLMs

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5 Best Open Source LLMs

Within the rapidly evolving world of artificial intelligence (AI), Large Language Models (LLMs) have emerged as a cornerstone, driving innovations and reshaping the way in which we interact with technology.

As these models develop into increasingly sophisticated, there is a growing emphasis on democratizing access to them. Open-source models, specifically, are playing a pivotal role on this democratization, offering researchers, developers, and enthusiasts alike the chance to delve deep into their intricacies, fine-tune them for specific tasks, and even construct upon their foundations.

On this blog, we’ll explore a number of the top open-source LLMs which are making waves within the AI community, each bringing its unique strengths and capabilities to the table.

Meta’s Llama 2 is a groundbreaking addition to their AI model lineup. This is not only one other model; it’s designed to fuel a spread of state-of-the-art applications. Llama 2’s training data is vast and varied, making it a big advancement over its predecessor. This diversity in training ensures that Llama 2 shouldn’t be just an incremental improvement but a monumental step towards the long run of AI-driven interactions.

The collaboration between Meta and Microsoft has expanded the horizons for Llama 2. The open-source model is now supported on platforms like Azure and Windows, aiming to offer developers and organizations with the tools to create generative AI-driven experiences. This partnership underscores each corporations’ dedication to creating AI more accessible and open to all.

Llama 2 shouldn’t be only a successor to the unique Llama model; it represents a paradigm shift within the chatbot arena. While the primary Llama model was revolutionary in generating text and code, its availability was limited to stop misuse. Llama 2, then again, is about to succeed in a wider audience. It’s optimized for platforms like AWS, Azure, and Hugging Face’s AI model hosting platform. Furthermore, with Meta’s collaboration with Microsoft, Llama 2 is poised to make its mark not only on Windows but additionally on devices powered by Qualcomm’s Snapdragon system-on-chip.

Safety is at the guts of Llama 2’s design. Recognizing the challenges faced by earlier large language models like GPT, which sometimes produced misleading or harmful content, Meta has taken extensive measures to make sure Llama 2’s reliability. The model has undergone rigorous training to attenuate ‘hallucinations’, misinformation, and biases.

Top Features of LLaMa 2:

  • Diverse Training Data: Llama 2’s training data is each extensive and varied, ensuring a comprehensive understanding and performance.
  • Collaboration with Microsoft: Llama 2 is supported on platforms like Azure and Windows, broadening its application scope.
  • Open Availability: Unlike its predecessor, Llama 2 is offered for a wider audience, ready for fine-tuning on multiple platforms.
  • Safety-Centric Design: Meta has emphasized safety, ensuring that Llama 2 produces accurate and reliable results while minimizing harmful outputs.
  • Optimized Versions: Llama 2 is available in two primary versions – Llama 2 and Llama 2-Chat, with the latter being specially designed for two-way conversations. These versions range in complexity from 7 billion to 70 billion parameters.
  • Enhanced Training: Llama 2 was trained on two million tokens, a big increase from the unique Llama’s 1.4 trillion tokens.

Anthropic’s latest AI model, Claude 2, shouldn’t be merely an upgrade but represents a big advancement within the capabilities of AI models. With its enhanced performance metrics, Claude 2 is designed to offer users with prolonged and coherent responses. The accessibility of this model is broad, available each through an API and its dedicated beta website. User feedback indicates that interactions with Claude are intuitive, with the model offering detailed explanations and demonstrating an prolonged memory capability.

By way of academic and reasoning capabilities, Claude 2 has exhibited remarkable achievements. The model achieved a rating of 76.5% within the multiple-choice section of the Bar exam, marking an improvement from the 73.0% achieved by Claude 1.3. When benchmarked against college students preparing for graduate programs, Claude 2 performed above the ninetieth percentile within the GRE reading and writing exams, indicating its proficiency in comprehending and generating intricate content.

The flexibility of Claude 2 is one other noteworthy feature. The model can process inputs of as much as 100K tokens, enabling it to review extensive documents starting from technical manuals to comprehensive books. Moreover, Claude 2 has the aptitude to provide prolonged documents, from official communications to detailed narratives, seamlessly. The model’s coding capabilities have also been enhanced, with Claude 2 achieving a rating of 71.2% on the Codex HumanEval, a Python coding assessment, and 88.0% on GSM8k, a group of grade-school math challenges.

Safety stays a paramount concern for Anthropic. Efforts have been targeting ensuring that Claude 2 is less vulnerable to generating potentially harmful or inappropriate content. Through meticulous internal evaluations and the applying of advanced safety methodologies, Claude 2 has demonstrated a big improvement in producing benign responses when put next to its predecessor.

Claude 2: Key Features Overview

  • Performance Enhancement: Claude 2 delivers faster response times and offers more detailed interactions.
  • Multiple Access Points: The model might be accessed via an API or through its dedicated beta website, claude.ai.
  • Academic Excellence: Claude 2 has showcased commendable ends in academic evaluations, notably within the GRE reading and writing segments.
  • Prolonged Input/Output Capabilities: Claude 2 can manage inputs of as much as 100K tokens and is capable of manufacturing prolonged documents in a single session.
  • Advanced Coding Proficiency: The model’s coding skills have been refined, as evidenced by its scores in coding and mathematical evaluations.
  • Safety Protocols: Rigorous evaluations and advanced safety techniques have been employed to make sure Claude 2 produces benign outputs.
  • Expansion Plans: While Claude 2 is currently accessible within the US and UK, there are plans to expand its availability globally within the near future.

MosaicML Foundations has made a big contribution to this space with the introduction of MPT-7B, their latest open-source LLM. MPT-7B, an acronym for MosaicML Pretrained Transformer, is a GPT-style, decoder-only transformer model. This model boasts several enhancements, including performance-optimized layer implementations and architectural changes that ensure greater training stability.

A standout feature of MPT-7B is its training on an intensive dataset comprising 1 trillion tokens of text and code. This rigorous training was executed on the MosaicML platform over a span of 9.5 days.

The open-source nature of MPT-7B positions it as a beneficial tool for industrial applications. It holds the potential to significantly impact predictive analytics and the decision-making processes of companies and organizations.

Along with the bottom model, MosaicML Foundations can also be releasing specialized models tailored for specific tasks, reminiscent of MPT-7B-Instruct for short-form instruction following, MPT-7B-Chat for dialogue generation, and MPT-7B-StoryWriter-65k+ for long-form story creation.

The event journey of MPT-7B was comprehensive, with the MosaicML team managing all stages from data preparation to deployment inside a couple of weeks. The information was sourced from diverse repositories, and the team utilized tools like EleutherAI’s GPT-NeoX and the 20B tokenizer to make sure a varied and comprehensive training mix.

Key Features Overview of MPT-7B:

  • Industrial Licensing: MPT-7B is licensed for industrial use, making it a beneficial asset for businesses.
  • Extensive Training Data: The model boasts training on an unlimited dataset of 1 trillion tokens.
  • Long Input Handling: MPT-7B is designed to process extremely lengthy inputs without compromise.
  • Speed and Efficiency: The model is optimized for swift training and inference, ensuring timely results.
  • Open-Source Code: MPT-7B comes with efficient open-source training code, promoting transparency and ease of use.
  • Comparative Excellence: MPT-7B has demonstrated superiority over other open-source models within the 7B-20B range, with its quality matching that of LLaMA-7B.

Falcon LLM, is a model that has swiftly ascended to the highest of the LLM hierarchy. Falcon LLM, specifically Falcon-40B, is a foundational LLM equipped with 40 billion parameters and has been trained on a powerful one trillion tokens. It operates as an autoregressive decoder-only model, which essentially means it predicts the next token in a sequence based on the preceding tokens. This architecture is paying homage to the GPT model. Notably, Falcon’s architecture has demonstrated superior performance to GPT-3, achieving this feat with only 75% of the training compute budget and requiring significantly less compute during inference.

The team on the Technology Innovation Institute placed a powerful emphasis on data quality throughout the development of Falcon. Recognizing the sensitivity of LLMs to training data quality, they constructed a knowledge pipeline that scaled to tens of 1000’s of CPU cores. This allowed for rapid processing and the extraction of high-quality content from the net, achieved through extensive filtering and deduplication processes.

Along with Falcon-40B, TII has also introduced other versions, including Falcon-7B, which possesses 7 billion parameters and has been trained on 1,500 billion tokens. There are also specialized models like Falcon-40B-Instruct and Falcon-7B-Instruct, tailored for specific tasks.

Training Falcon-40B was an intensive process. The model was trained on the RefinedWeb dataset, an enormous English web dataset constructed by TII. This dataset was built on top of CommonCrawl and underwent rigorous filtering to make sure quality. Once the model was prepared, it was validated against several open-source benchmarks, including EAI Harness, HELM, and BigBench.

Key Features Overview of Falcon LLM:

  • Extensive Parameters: Falcon-40B is provided with 40 billion parameters, ensuring comprehensive learning and performance.
  • Autoregressive Decoder-Only Model: This architecture allows Falcon to predict subsequent tokens based on preceding ones, much like the GPT model.
  • Superior Performance: Falcon outperforms GPT-3 while utilizing only 75% of the training compute budget.
  • High-Quality Data Pipeline: TII’s data pipeline ensures the extraction of high-quality content from the net, crucial for the model’s training.
  • Number of Models: Along with Falcon-40B, TII offers Falcon-7B and specialized models like Falcon-40B-Instruct and Falcon-7B-Instruct.
  • Open-Source Availability: Falcon LLM has been open-sourced, promoting accessibility and inclusivity within the AI domain.

LMSYS ORG has made a big mark within the realm of open-source LLMs with the introduction of Vicuna-13B. This open-source chatbot has been meticulously trained by fine-tuning LLaMA on user-shared conversations sourced from ShareGPT. Preliminary evaluations, with GPT-4 acting because the judge, indicate that Vicuna-13B achieves greater than 90% quality of renowned models like OpenAI ChatGPT and Google Bard.

Impressively, Vicuna-13B outperforms other notable models reminiscent of LLaMA and Stanford Alpaca in over 90% of cases. The complete training process for Vicuna-13B was executed at a value of roughly $300. For those eager about exploring its capabilities, the code, weights, and a web based demo have been made publicly available for non-commercial purposes.

The Vicuna-13B model has been fine-tuned with 70K user-shared ChatGPT conversations, enabling it to generate more detailed and well-structured responses. The standard of those responses is comparable to ChatGPT. Evaluating chatbots, nevertheless, is a fancy endeavor. With the advancements in GPT-4, there is a growing curiosity about its potential to function an automatic evaluation framework for benchmark generation and performance assessments. Initial findings suggest that GPT-4 can produce consistent ranks and detailed assessments when comparing chatbot responses. Preliminary evaluations based on GPT-4 show that Vicuna achieves 90% capability of models like Bard/ChatGPT.

Key Features Overview of Vicuna-13B:

  • Open-Source Nature: Vicuna-13B is offered for public access, promoting transparency and community involvement.
  • Extensive Training Data: The model has been trained on 70K user-shared conversations, ensuring a comprehensive understanding of diverse interactions.
  • Competitive Performance: Vicuna-13B’s performance is on par with industry leaders like ChatGPT and Google Bard.
  • Cost-Effective Training: The complete training process for Vicuna-13B was executed at a low price of around $300.
  • Advantageous-Tuning on LLaMA: The model has been fine-tuned on LLaMA, ensuring enhanced performance and response quality.
  • Online Demo Availability: An interactive online demo is offered for users to check and experience the capabilities of Vicuna-13B.

The Expanding Realm of Large Language Models

The realm of Large Language Models is vast and ever-expanding, with each recent model pushing the boundaries of what is possible. The open-source nature of the LLMs discussed on this blog not only showcases the collaborative spirit of the AI community but additionally paves the way in which for future innovations.

These models, from Vicuna’s impressive chatbot capabilities to Falcon’s superior performance metrics, represent the top of current LLM technology. As we proceed to witness rapid advancements on this field, it’s clear that open-source models will play a vital role in shaping the long run of AI.

Whether you are a seasoned researcher, a budding AI enthusiast, or someone inquisitive about the potential of those models, there is not any higher time to dive in and explore the vast possibilities they provide.

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