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List of the Best 20 Large Language Models (LLMs) In 2024

by Anthony Cardillo
May 16, 2024

Large language models are pre-trained on large datasets and use natural language processing to perform linguistic tasks such as text generation, code completion, paraphrasing, and more.

The initial release of ChatGPT sparked the rapid adoption of generative AI, which has led to large language model innovations and industry growth.

In fact, 92% of Fortune 500 firms have started using generative AI in their workflows.

As adoption continues to grow, so does the LLM industry. The global large language model market is projected to grow from $6.5 billion in 2024 to $140.8 billion by 2033.

With that, here is a list of the top 20 LLMs available in 2024.

LLM Name Developer Release Date Access Parameters
GPT-4o OpenAI May 13, 2024 API Unknown
Claude 3 Anthropic March 14, 2024 API Unknown
Grok-1 xAI November 4, 2023 Open-Source 314 billion
Mistral 7B Mistral AI September 27, 2023 Open-Source 7.3 billion
PaLM 2 Google May 10, 2023 Open-Source 340 billion
Falcon 180B Technology Innovation Institute September 6, 2023 Open-Source 180 billion
Stable LM 2 Stability AI January 19, 2024 Open-Source 1.6 billion, 12 billion
Gemini 1.5 Google DeepMind February 2nd, 2024 API Unknown
Llama 3 Meta AI April 18, 2024 Open-Source 8 billion, 70 billion
Mixtral 8x22B Mistral AI April 10, 2024 Open-Source 141 billion
Inflection-2.5 Inflection AI March 10, 2024 Proprietary Unknown
Jamba AI21 Labs March 29, 2024 Open-Source 52 billion
Command R Cohere March 11, 2024 Both 35 billion
Gemma Google DeepMind February 21, 2024 Open-Source 2 billion, 7 billion
Phi-3 Microsoft April 23, 2024 Both 3.8 billion
XGen-7B Salesforce July 3, 2023 Open-Source 7 billion
DBRX Databricks' Mosaic ML March 27, 2024 Open-Source 132 billion
Pythia EleutherAI February 13, 2023 Open-Source 70 million to 12 billion
Sora OpenAI February 15, 2024 (announced) API Unknown
Alpaca 7B Stanford CRFM March 13, 2023 Open-Source 7 billion

1. GPT-4o

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Developer: OpenAI

Release date: May 13, 2024

Number of Parameters: Unknown

What is it? GPT-4o is the latest and most advanced OpenAI language model, succeeding GPT-4, GPT-3.5, and GPT-3. OpenAI claims that GPT-4o is 50% cheaper than GPT-4 despite being 2x faster at generating tokens. This multimodal model includes text, image, video, and voice capabilities packaged into one.

GPT-4o's biggest upgrade is the Voice-to-Voice function, which will improve input response times to an average of 320 milliseconds (compared to a few seconds with GPT-4). This feature is expected to be released in the coming weeks.

2. Claude 3

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Developer: Anthropic

Release date: March 14, 2024

Number of Parameters: Unknown

What is it? Claude 3 is the latest Anthropic language model, which includes Claude 3 Haiku, Claude 3 Sonnet, and Claude 3 Opus. Claude is debatably the biggest competitor to GPT-4 and ChatGPT, processing up to 200,000 tokens (150,000 words) compared to GPT-4's 32,000 token capabilities.

Amazon has invested over $4 billion in Anthropic, bringing the startup's valuation to $15 billion.

3. Grok-1

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Developer: xAI

Release date: November 4, 2023

Number of Parameters: 314 billion

What is it? Created by Elon Musk's artificial intelligence startup xAI, Grok-1 is currently the largest open-source LLM released to date at 314 billion parameters. Grok directly integrates with X (Twitter), and users must pay for an X Premium+ subscription to gain access.

Because of the model’s size, Grok has a mixture-of-experts (MoE) architecture that only uses 25% of its weights for any given input token to maximize calculation efficiency.

4. Mistral 7B

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Developer: Mistral AI

Release date: September 27, 2023

Number of Parameters: 7.3 billion

What is it? Mistral 7B is an open-source language model with 32 layers, 32 attention heads, and eight key-value heads. Despite running with fewer parameters, they outperformed the Llama 2 family of models in nearly all metrics, including MMLU, reading comprehension, math, coding, etc.

Mistral 7B is released under an Apache 2.0 license. Customers are free to download it locally, deploy it on the cloud, or run it on HuggingFace. The Paris-based startup is close to securing a new $600 million funding round that would value the company at $6 billion.

5. PaLM 2

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Developer: Google

Release date: May 10, 2023

Number of Parameters: 340 billion

What is it? PaLM 2 is an advanced large language model developed by Google. As the successor to the original Pathways Language Model (PaLM), it’s trained on 3.6 trillion tokens (compared to 780 billion) and 340 billion parameters (compared to 540 billion). PaLM 2 was originally used to power Google's first generative AI chatbot, Bard (rebranded to Gemini in February 2024).

6. Falcon 180B

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Developer: Technology Innovation Institute (TII)

Release date: September 6, 2023

Number of Parameters: 180 billion

What is it? Developed and funded by the Technology Innovation Institute, Falcon 180B is an upgraded version of the earlier Falcon 40B LLM. It has 180 billion parameters, which is 4.5 times larger than the 40 billion parameters of Falcon 40B.

In addition to Falcon 40B, it also outperforms other large language models like GPT-3.5 and LLaMA 2 on tasks such as reasoning, question answering, and coding. In February 2024, the UAE-based Technology Innovation Institute (TII) committed $300 million in funding to the Falcon Foundation.

7. Stable LM 2

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Developer: Stability AI

Release date: January 19, 2024

Number of Parameters: 1.6 billion and 12 billion

What is it? Stability AI, the creators of the Stable Diffusion text-to-image model, are the developers behind Stable LM 2. This series of large language models includes Stable LM 2 12B (12 billion parameters) and Stable LM 2 1.6B (1.6 billion parameters). Released in April 2024, the larger 12B model outperforms models like LLaMA 2 70B on key benchmarks despite being much smaller.

8. Gemini 1.5

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Developer: Google DeepMind

Release date: February 2nd, 2024

Number of Parameters: Unknown

What is it? Gemini 1.5 is Google's next-generation large language model, offering a significant upgrade over its predecessor, Gemini 1.0. While it’s only available for early testing, Gemini 1.5 Pro provides a one million-token context window (1 hour of video, 700,000 words, or 30,000 lines of code), the largest to date compared to alternative LLMs and chatbots. This upgrade is 35 times larger than Gemini 1.0 Pro and surpasses the previous largest record of 200,000 tokens held by Anthropic’s Claude 2.1.

9. Llama 3

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Developer: Meta AI

Release date: April 18, 2024

Number of Parameters: 8 billion and 70 billion

What is it? Llama 3 is the latest release in Meta's series of autoregressive large language models. Both the 70B and 8B versions outperformed other open-source models like Mistral 7B and Google's Gemma 7B on MMLU, reasoning, coding, and math benchmarks. The open-sourced Llama 3 model can be used for free by accessing the Meta AI chatbot.

Customers can still access its predecessor, Llama 2, which is available in three versions: 7 billion, 13 billion, and 70 billion parameters. Meta plans to release a larger 400 billion-parameter Llama 3 version later this year.

10. Mixtral 8x22B

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Developer: Mistral AI

Release date: April 10, 2024

Number of Parameters: 141 billion

What is it? Mixtral 8x22B is Mistral AI's latest and most advanced large language model. This sparse Mixture-of-Experts (SMoE) model has 141 billion total parameters but only uses 39B active parameters to focus on improving the model’s performance-to-cost ratio.

The startup also recently released Mistral Large, a ChatGPT alternative that ranks second behind GPT-4 among API-based LLMs.

11. Inflection-2.5

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Developer: Inflection AI

Release date: March 10, 2024

Number of Parameters: Unknown

What is it? Inflection-2.5 is the latest large language model (LLM) developed by Inflection AI to power its conversational AI assistant, Pi. Significant upgrades have been made, as the model currently achieves over 94% of GPT-4’s average performance while only having 40% of the training FLOPs. In March 2024, the Microsoft-backed startup reached 1+ million daily active users on Pi.

12. Jamba

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Developer: AI21 Labs

Release date: March 29, 2024

Number of Parameters: 52 billion

What is it? AI21 Labs created Jamba, the world's first production-grade Mamba-style large language model. It integrates SSM technology with elements of a traditional transformer model to create a hybrid architecture. The model is efficient and highly scalable, with a context window of 256K and deployment support of 140K context on a single GPU.

13. Command R

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Developer: Cohere

Release date: March 11, 2024

Number of Parameters: 35 billion

What is it? Command R is a series of scalable LLMs from Cohere that support ten languages and 128,000-token context length (around 100 pages of text). This model primarily excels at retrieval-augmented generation, code-related tasks like explanations or rewrites, and reasoning. In April 2024, Command R+ was released to support larger workloads and provide real-world enterprise support.

14. Gemma

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Developer: Google DeepMind

Release date: February 21, 2024

Number of Parameters: 2 billion and 7 billion

What is it? Gemma is a series of lightweight open-source language models developed and released by Google DeepMind. The Gemma models are built with similar tech to the Gemini models, but Gemma is limited to text inputs and outputs only. The models have a context window of 8,000 tokens and are available in 2 billion and 7 billion parameter sizes.

15. Phi-3

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Developer: Microsoft

Release date: April 23, 2024

Number of Parameters: 3.8 billion

What is it? Classified as a small language model (SLM), Phi-3 is Microsoft's latest release with 3.8 billion parameters. Despite the smaller size, it's been trained on 3.3 trillion tokens of data to compete with Mistral 8x7B and GPT-3.5 performance on MT-bench and MMLU benchmarks.

To date, Phi-3-mini is the only model available. However, Microsoft plans to release the Phi-3-small and Phi-3-medium models later this year.

16. XGen-7B

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Developer: Salesforce

Release date: July 3, 2023

Number of Parameters: 7 billion

What is it? XGen-7B is a large language model from Salesforce with 7 billion parameters and an 8k context window. The model was trained on 1.37 trillion tokens from various sources, such as RedPajama, Wikipedia, and Salesforce's own Starcoder dataset.

Salesforce has released two open-source versions, a 4,000 and 8,000 token context window base, hosted under an Apache 2.0 license.

17. DBRX

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Developer: Databricks' Mosaic ML

Release date: March 27, 2024

Number of Parameters: 132 billion

What is it? DBRX is an open-source LLM built by Databricks and the Mosaic ML research team. The mixture-of-experts architecture has 36 billion (of 132 billion total) active parameters on an input. DBRX has 16 experts and chooses 4 of them during inference, providing 65 times more expert combinations compared to similar models like Mixtral and Grok-1

18. Pythia

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Developer: EleutherAI

Release date: February 13, 2023

Number of Parameters: 70 million to 12 billion

What is it? Pythia is a series of 16 large language models developed and released by EleutherAI, a non-profit AI research lab. There are eight different model sizes: 70M, 160M, 410M, 1B, 1.4B, 2.8B, 6.9B, and 12B. Because of Pythia's open-source license, these LLMs serve as a base model for fine-tuned, instruction-following LLMs like Dolly 2.0 by Databricks.

19. Sora

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Developer: OpenAI

Release date: February 15, 2024 (announced)

Number of Parameters: Unknown

What is it? OpenAI's latest development is Sora, a text-to-video model that combines LLMs and generative AI to turn text prompts into realistic videos up to 60 seconds long. The model uses a transformer architecture that operates on "spacetime patches" of video and image data rather than text tokens like other LLMs. No official release date for Sora has been announced, but OpenAI expects it to open to the public in late 2024.

20. Alpaca 7B

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Developer: Stanford CRFM

Release date: March 27, 2024

Number of Parameters: 7 billion

What is it? Alpaca is a 7 billion-parameter language model developed by a Stanford research team and fine-tuned from Meta's LLaMA 7B model. Users will notice that although being much smaller, Alpaca performs similarly to text-DaVinci-003 (ChatGPT 3.5). However, Alpaca 7B is available for research purposes, and no commercial licenses are available.

Conclusion

The landscape of large language models is rapidly evolving, with new breakthroughs and innovations emerging at an unprecedented pace.

From compact models like Phi-2 and Alpaca 7B to cutting-edge architectures like Jamba and DBRX, the field of LLMs is pushing the boundaries of what's possible in natural language processing (NLP).

We will keep this list regularly updated with new models. If you liked learning about these LLMs, check out our lists of generative AI startups and AI startups for more.