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Grok 4.20

Grok 4.20

model22h

by xAI

Grok 4.20 is a large language model developed by xAI, featuring a unique "4 Agents" multi-agent collaboration system and a 2-million-token context window. Released in March 2026, it is designed for high-reasoning tasks and real-time information synthesis using data from the X platform.

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Microsoft Research

Microsoft Research

21h

Microsoft Research (MSR) is the research subsidiary of Microsoft Corporation, established in 1991 to conduct both basic and applied research in computer science and software engineering. It operates a global network of labs and has made foundational contributions to AI, systems research, and quantum computing.

Black Forest Labs

Black Forest Labs

18h

Black Forest Labs is a German artificial intelligence research organization specializing in generative image and video models, founded in 2024 by the creators of Stable Diffusion.

Meta Superintelligence Labs

Meta Superintelligence Labs

21m

Meta Superintelligence Labs is the consolidated AI research and development division of Meta Platforms, Inc., formed in 2024 to pursue Artificial General Intelligence (AGI). The organization is notable for its open-weights philosophy and oversees foundational technologies such as the Llama model series and the PyTorch framework.

Model Autonomy

Model Autonomy

1d

Model autonomy refers to the ability of an artificial intelligence system to independently set goals, make decisions, and execute actions through continuous sensing, reasoning, and tool interaction. It represents a progression from static rule-based automation to dynamic agentic workflows that require minimal human intervention.

Head Latent Attention

Head Latent Attention

22h

Multi-Head Latent Attention (MLA) is a low-rank attention mechanism that reduces the memory footprint of the Key-Value (KV) cache in large language models by compressing information into a latent space.

Comet Browser

Comet Browser

13m

Comet Browser is an AI-native, agentic web browser developed by Perplexity that interprets web content to perform autonomous multi-step tasks and synthesize information. It replaces traditional search results with citation-backed answers and maintains contextual awareness across multiple tabs to streamline complex workflows.

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Meta

Meta

1d

Meta Platforms, Inc. is a global technology conglomerate and leader in social media and artificial intelligence, known for its Family of Apps and a strategic commitment to the metaverse and open-source AI development.

Moonshot AI

Moonshot AI

21h

Moonshot AI is a prominent Beijing-based artificial intelligence startup specializing in large language models (LLMs) and multimodal systems, known for its flagship Kimi chatbot and long-context window technology. Established in 2023, it is recognized as one of China's 'new four AI tigers' and has achieved significant market valuation through rapid technological scaling and strategic investment.

Anthropic

Anthropic

7m

Anthropic is an AI research and safety organization known for developing the Claude family of large language models. Founded by former OpenAI executives, it operates as a Public Benefit Corporation focused on creating steerable, interpretable, and safe AI systems.

DeepSeek

DeepSeek

19h

DeepSeek is a Chinese artificial intelligence research laboratory founded in 2023, recognized for developing high-performance, cost-efficient large language models such as DeepSeek-V3 and DeepSeek-R1. The organization operates with a unique financial structure backed by High-Flyer Quant and emphasizes open-source contributions to the global AI community.

Google

Google

23m

Google LLC is a global technology company specializing in artificial intelligence, search engine technology, and cloud computing, operating as the primary subsidiary of Alphabet Inc.

Perplexity

Perplexity

17m

Perplexity is an artificial intelligence organization founded in 2022 that develops AI-native search and research tools, primarily known for its conversational 'answer engine' that uses Retrieval-Augmented Generation to provide cited responses.

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Grok 4 Fast

Grok 4 Fast

model18h

by xAI

Grok 4 Fast is a multimodal large language model developed by xAI, optimized for high inference speed and cost-efficiency. Released in September 2025, it features a 2-million-token context window and is designed for high-throughput applications such as real-time search and document analysis.