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AI21 Labs vs Anthropic

Anthropic leads in package downloads at 619x; Anthropic has raised more funding at $58.7B; both compete in Foundation Models. Updated daily with live metrics.

Key Differences

Anthropic leads in package downloads with 87.8M per month compared to 141.8K for AI21 Labs. Anthropic has 2.9K GitHub stars versus 70 for AI21 Labs.

Anthropic has raised $58.7B in total funding, while AI21 Labs has raised $252M. AI21 Labs's most recent round was Series C, while Anthropic's most recent round was Series G. both companies operate in the Foundation Models category.

Anthropic received 2.4K Hacker News mentions in the last 30 days compared to 2 for AI21 Labs. Anthropic accounts for 36.4% of Hacker News discussion in its category.

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Quick Comparison

AI21 Labs: 141.8K downloads/mo, 70 GitHub stars, $252M funded vs

Anthropic: 87.8M downloads/mo, 2.9K GitHub stars, 6 active contributors, 4.2K dependents, $58.7B funded

Source: AI-Buzz AI company database.

Key Differences
  • Anthropic leads in package downloads with 87.8M/mo (619x AI21 Labs)
  • Anthropic has 2.9K GitHub stars (41x more)
  • Anthropic has raised more funding at $58.7B

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MetricAI21 LabsAnthropic
Websiteai21.com anthropic.com
DescriptionAI company building Jurassic LLMs and Writer platform.AI safety company behind Claude. OpenAI's main competitor.
Total Funding
$252M
$58.7B
Last Funding
Series C
Nov 2023
Series G
Feb 2026
Developer Adoption
npm Downloads (30d)
358
27.2M
PyPI Downloads (30d)
141.5K
60.5M
Total Downloads (30d)
141.8K+0%
87.8M+0%
Active Contributors (30d)
0
6
npm Dependents
0
4.2K
HN Discussion Share0% of HN mentions36.4% of HN mentions
StatusPrivatePrivate
HN Mentions (30d)
2
2.4K
HN Mentions Trend (30d)--
GitHub Stars
70
2.9K
Founded20172021
Primary Category
Data Last Updated

Key Differences: AI21 Labs vs Anthropic

In developer adoption, Anthropic leads with 87.8M package downloads per month — roughly 619x the 141.8K downloads AI21 Labs receives. Both companies have packages on npm and PyPI.

Anthropic has raised $58.7B in total funding compared to AI21 Labs's $252M. AI21 Labs's latest round was a Series C in 2023, while Anthropic's latest round was a Series G in 2026.

On GitHub, Anthropic has 2.9K GitHub stars, 41x more than AI21 Labs's 70.

In community signals, Anthropic leads in Hacker News mindshare with 2.4K mentions in the past 30 days compared to 2 for AI21 Labs.

Both AI21 Labs and Anthropic operate in the Foundation Models space, making them direct competitors for developer mindshare.

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