AI21 Labs vs Reka AI

By valuation, AI21 Labs is the larger company at $1.4B versus $1B — a 1.4x difference. Size can also be measured by team: AI21 Labs employs 250 people while Reka AI has 30 employees.

AI21 Labs has raised more in total funding at $636M, compared to Reka AI's $168M — a gap of $468M. Combined, the two companies have completed 11 known funding rounds.

AI21 Labs holds the higher Awaira Score at 72/100, compared to Reka AI's 60/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 12-point gap that reflects meaningful differences in scale or traction.

AI21 Labs was founded by Yoav Shoham in 2017. Reka AI was founded by Yi Tay in 2022. Visit each company's profile on Awaira for a full founder biography.

AI21 Labs: AI21 Labs is an Israeli foundation model company founded in 2017 that develops large language models and AI systems for enterprise applications. The company is best known for its Jurassic language model family, which powers various natural language processing tasks including text generation, summarization, and question-answering. AI21 Labs operates through both direct API access and integration with cloud platforms, serving customers across multiple industries. The company has positioned itself in the competitive foundation models landscape alongside OpenAI, Anthropic, and other providers, distinguishing itself through a focus on instruction-following capabilities and multilingual support. AI21 Labs has secured $636 million in total funding and achieved a $1.4 billion valuation, reflecting investor confidence in its technology and market approach. The company operates primarily through its cloud-based AI platform, offering researchers and developers access to its models. It has demonstrated growth through partnerships and enterprise adoption, though facing intense competition in the rapidly consolidating foundation models sector. AI21 Labs remains in Series D funding stage, indicating it has not yet pursued initial public offering. The company employs researchers with backgrounds in academia and industry, maintaining focus on advancing core language model capabilities and exploring commercial applications across sectors including content generation, customer service, and information retrieval. AI21 Labs combines deep research in language models with enterprise-focused API infrastructure to compete against larger foundation model providers. Reka AI: Reka AI is a foundation models company founded in 2022 that develops large language models and multimodal AI systems. The company focuses on building efficient, capable AI models that can process and understand both text and visual information. Reka AI's core offerings include proprietary foundation models designed for enterprise and research applications, with emphasis on performance optimization and cost-effectiveness compared to larger competitor models. The company operates in the competitive foundation models landscape, competing alongside OpenAI, Anthropic, and other AI laboratories developing general-purpose language models. Reka AI's technical approach emphasizes creating smaller models that deliver performance competitive with significantly larger systems, targeting efficiency gains in inference and deployment. As of recent reporting, Reka AI has raised $168 million in total funding and maintains a valuation of $1.0 billion, indicating strong investor confidence despite operating in a capital-intensive sector. The company is currently at Series B stage funding. Specific details about notable customers, deployed use cases, and detailed technical capabilities remain not disclosed. The company's growth trajectory reflects the broader expansion of AI foundation model developers seeking to capture market share in enterprise AI applications, though its market position relative to well-funded competitors continues to develop as the space matures. Reka AI targets model efficiency rather than scale, positioning itself as a cost-competitive alternative to larger foundation model providers.

AI21 Labs was founded first in 2017, giving it 5 years of additional market experience. Reka AI was founded later in 2022. In AI, even a year or two of head start can translate into significantly more training data, customer relationships, and institutional knowledge.

AI21 Labs has approximately 250 employees, while Reka AI has approximately 30. A larger team often signals higher revenue or venture backing, but in AI, smaller teams are increasingly capable of building at scale.

Yes, AI21 Labs and Reka AI are direct competitors — both operate in the Foundation Models space and likely target overlapping customer segments. This comparison is especially relevant for buyers evaluating both platforms.