NextBillion.ai vs Weights and Biases
Side-by-side on valuation, funding, investors, founders & more
Comparison updated: April 2026
Weights and Biases is valued at $1.3B — more than 3x NextBillion.ai's N/A.
Head-to-Head Verdict
NextBillion.ai
0 wins
Weights and Biases
4 wins
Key Numbers
🇸🇬 Singapore · Ajay Bulusu
Valuation
N/A
Total Funding
$34.3M
100-500 employees
🇺🇸 United States · Lukas Biewald
Valuation
$1.3B
Total Funding
$250M
300 employees
Both companies compete in the AI Data space, though from different geographies — NextBillion.ai in Singapore and Weights and Biases in United States. Both are at the Acquired stage, meaning they face similar scaling challenges and investor expectations.
Analyst Summary
Built from real data · Updated April 2026
Companies
NextBillion.ai and Weights and Biases are direct competitors in AI Data. NextBillion. Weights and Biases is a machine learning platform founded in 2017 that provides infrastructure for experiment tracking, model management, and collaboration in AI development.
Funding & Valuation
Only Weights and Biases has a public valuation on record ($1.3B); NextBillion.ai's has not been disclosed. Weights and Biases has amassed $250M in total funding, far exceeding NextBillion.ai's $34.3M.
Growth Stage
The founding gap is narrow: Weights and Biases in 2017 versus NextBillion.ai in 2020. Each company has reached the Acquired stage, placing them at comparable points in their growth trajectories. Team sizes also differ: NextBillion.ai employs 100-500 people versus Weights and Biases's 300.
Geography & Outlook
Based in 🇸🇬 Singapore and 🇺🇸 United States respectively, NextBillion.ai and Weights and Biases tap into different talent markets and regulatory environments. Weights and Biases scores 80 on Awaira's composite index versus NextBillion.ai's 55, a wide margin reflecting substantially stronger fundamentals. Under Ajay Bulusu and Lukas Biewald respectively, both companies continue to chart aggressive growth paths.
Funding Velocity
NextBillion.ai
Weights and Biases
Funding History
NextBillion.ai has completed 5 funding rounds, while Weights and Biases has gone through 5. NextBillion.ai's most recent round was a Series D of $13.7M, compared to Weights and Biases's Series C ($50M). Both are currently at the Acquired stage.
Team & Scale
Weights and Biases has the bigger team at roughly 300 people — 3x the size of NextBillion.ai's 100-500. Weights and Biases has a 3-year head start, founded in 2017 vs NextBillion.ai's 2020. Geographically, they're in different markets — NextBillion.ai operates out of Singapore and Weights and Biases from United States.
Metrics Comparison
| Metric | NextBillion.ai | Weights and Biases |
|---|---|---|
💰Valuation | N/A | $1.3B |
📈Total Funding | $34.3M | $250MWINS |
📅Founded | 2020WINS | 2017 |
🚀Stage | Acquired | Acquired |
👥Employees | 100-500 | 300 |
🌍Country | Singapore | United States |
🏷️Category | AI Data | AI Data |
⭐Awaira Score | 55 | 80WINS |
Key Differences
Funding gap: Weights and Biases has raised $215.8M more ($250M vs $34.3M)
Market experience: Weights and Biases has 3 years more (founded 2017 vs 2020)
Team size: NextBillion.ai has 100-500 employees vs Weights and Biases's 300
Market base: 🇸🇬 NextBillion.ai (Singapore) vs 🇺🇸 Weights and Biases (United States)
Direct competitors: Both operate in the AI Data market segment
Awaira Score: Weights and Biases scores 80/100 vs NextBillion.ai's 55/100
Which Should You Choose?
Use these signals to make the right call
Choose NextBillion.ai if…
- ✓Singapore-based for regional compliance or proximity
- ✓NextBillion
Choose Weights and Biases if…
Top Pick- ✓Higher Awaira Score — 80/100 vs 55/100
- ✓More established by valuation ($1.3B)
- ✓Stronger investor backing — raised $250M
- ✓More market experience — founded in 2017
- ✓United States-based for regional compliance or proximity
- ✓Weights and Biases is a machine learning platform founded in 2017 that provides infrastructure for experiment tracking, model management, and collaboration in AI development
Funding History
NextBillion.ai raised $34.3M across 5 rounds. Weights and Biases raised $250M across 5 rounds.
NextBillion.ai
Series D
Oct 2025
Series C
Jun 2024
Series B
Feb 2023
Series A
Oct 2021
Seed
Jun 2020
Weights and Biases
Series C
Aug 2023
Lead: Daniel Gross
Series C
Sep 2022
Lead: Sequoia Capital
Series B
Mar 2021
Lead: Sequoia Capital
Series A
Apr 2019
Lead: Sequoia Capital
Series A
Jan 2018
Lead: Google Ventures
Investor Comparison
No shared investors detected between these two companies.
Unique to Weights and Biases
Users Also Compare
Explore Further
FAQ — NextBillion.ai vs Weights and Biases
Is NextBillion.ai bigger than Weights and Biases?▾
Which company raised more funding — NextBillion.ai or Weights and Biases?▾
Which company has a higher Awaira Score?▾
Who founded NextBillion.ai vs Weights and Biases?▾
What does NextBillion.ai do vs Weights and Biases?▾
Which company was founded first?▾
Which company has more employees?▾
Are NextBillion.ai and Weights and Biases competitors?▾
Bottom Line
Weights and Biases has a clear lead here — Awaira Score of 80 vs NextBillion.ai's 55. The difference comes down to funding depth and team scale.
Who Should You Watch?
Weights and Biases is in the stronger position — better score and deeper pockets. But NextBillion.ai has room to surprise, especially if they land a marquee investor. Follow both profiles on Awaira to track funding rounds, team changes, and score updates.