AI21 Labs vs Anthropic

By valuation, Anthropic is the larger company at $380B versus $1.4B — a 271.4x difference. Size can also be measured by team: AI21 Labs employs 250 people while Anthropic has 3,000 employees.

Anthropic has raised more in total funding at $67B, compared to AI21 Labs's $636M — a gap of $66.4B. Combined, the two companies have completed 13 known funding rounds.

Anthropic leads with an Awaira Score of 95/100, while AI21 Labs sits at 72/100. That 23-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.

AI21 Labs was founded by Yoav Shoham in 2017. Anthropic was founded by Dario Amodei in 2021. 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. Anthropic: Anthropic is an AI safety company founded in 2021 that develops large language models and AI systems. The company's flagship product is Claude, a conversational AI assistant available through web interfaces, APIs, and mobile applications. Claude is designed with constitutional AI methods, an approach emphasizing safety and alignment with human values through training techniques that reduce harmful outputs and improve reasoning capabilities. Anthropic positions itself within the foundation models sector, competing alongside OpenAI, Google, and other organizations developing large-scale language models. The company has achieved a valuation of $380 billion as of its latest funding round, with total funding of $57 billion across multiple rounds, currently at Series G stage. Its investors include Google, Salesforce, and various venture capital firms. Claude serves diverse use cases including customer service automation, content generation, coding assistance, research support, and general knowledge queries. The model is available in multiple versions with varying capability levels and context window sizes. Anthropic emphasizes interpretability research and AI safety practices alongside product development, distinguishing its approach from purely capability-focused competitors. The company's growth trajectory reflects significant institutional investment and market adoption. Anthropic operates as a private company while maintaining substantial research output and publications on AI safety methodologies. Anthropic differentiates through explicit focus on AI safety and constitutional AI training methods rather than pure capability scaling.

AI21 Labs got there first, launching in 2017 — that's 4 years of extra runway. Anthropic didn't arrive until 2021. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.

AI21 Labs has about 250 employees; Anthropic has about 3,000. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.

Yes — they're direct rivals. Both AI21 Labs and Anthropic compete in Foundation Models, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.