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Cervest 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 Cervest's N/A.

Head-to-Head Verdict

Weights and Biases leads on 3 of 4 metrics

Cervest

1 win

-Funding
-Awaira Score
-Team Size
+Experience

Weights and Biases

3 wins

+Funding
+Awaira Score
+Team Size
-Experience

Key Numbers

Valuation
N/A
$1.3B
Total Funding
$32M
$250M
Awaira Score
45/100
80/100
Employees
1-50
300
Founded
2016
2017
Stage
Series A
Acquired
CervestWeights and Biases
Cervest logo
Cervest

🇬🇧 United Kingdom · Iggy Bassi

Series AAI DataEst. 2016

Valuation

N/A

Total Funding

$32M

Awaira Score45/100

1-50 employees

Full Cervest Profile →
Winner
Weights and Biases logo
Weights and Biases

🇺🇸 United States · Lukas Biewald

AcquiredAI DataEst. 2017

Valuation

$1.3B

Total Funding

$250M

Awaira Score80/100

300 employees

Full Weights and Biases Profile →
Market Context

Both companies compete in the AI Data space, though from different geographies — Cervest in United Kingdom and Weights and Biases in United States. Different stages (Series A vs Acquired) mean these companies face fundamentally different operational priorities.

🔬

Analyst Summary

Built from real data · Updated April 2026

Companies

In the AI Data market, Cervest and Weights and Biases represent two distinct approaches. Cervest builds a climate intelligence platform that quantifies climate risk for physical assets including agricultural land, commercial real estate, and infrastructure, using AI models that integrate climate science projections with asset-level data to produce probabilistic risk scores across multiple climate scenarios and time horizons. 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); Cervest's has not been disclosed. On the funding front, Weights and Biases has secured $250M, outpacing Cervest's $32M by $218M.

Growth Stage

Established in 2016, Cervest has a modest 1-year head start over Weights and Biases (2017). Stage-wise, Cervest is classified as Series A and Weights and Biases as Acquired, reflecting divergent fundraising histories. Team sizes also differ: Cervest employs 1-50 people versus Weights and Biases's 300.

Geography & Outlook

Based in 🇬🇧 United Kingdom and 🇺🇸 United States respectively, Cervest and Weights and Biases tap into different talent markets and regulatory environments. A 35-point gap on the Awaira Score (Weights and Biases: 80, Cervest: 45) signals a clear difference in overall company strength. Under Iggy Bassi and Lukas Biewald respectively, both companies continue to chart aggressive growth paths.

Funding Velocity

Cervest

Total Rounds2
Avg. Round Size$16M
Funding Span1.3 yrs

Weights and Biases

Total Rounds5
Avg. Round Size$49M
Funding Span5.6 yrs

Funding History

Cervest has completed 2 funding rounds, while Weights and Biases has gone through 5. Cervest's most recent round was a Series A of $26.6M, compared to Weights and Biases's Series C ($50M). Cervest is at Series A while Weights and Biases is at Acquired — different points in their growth trajectory.

Team & Scale

Weights and Biases has the bigger team at roughly 300 people — 300x the size of Cervest's 1-50. They're close in age — Cervest started in 2016 and Weights and Biases in 2017. Geographically, they're in different markets — Cervest operates out of United Kingdom and Weights and Biases from United States.

Metrics Comparison

MetricCervestWeights and Biases
💰Valuation
N/A
$1.3B
📈Total Funding
$32M
$250MWINS
📅Founded
2016
2017WINS
🚀Stage
Series A
Acquired
👥Employees
1-50
300
🌍Country
United Kingdom
United States
🏷️Category
AI Data
AI Data
Awaira Score
45
80WINS

Key Differences

📈

Funding gap: Weights and Biases has raised $218M more ($250M vs $32M)

📅

Market experience: Cervest has 1 year more (founded 2016 vs 2017)

🚀

Growth stage: Cervest is at Series A vs Weights and Biases at Acquired

👥

Team size: Cervest has 1-50 employees vs Weights and Biases's 300

🌍

Market base: 🇬🇧 Cervest (United Kingdom) 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 Cervest's 45/100

Which Should You Choose?

Use these signals to make the right call

Cervest logo

Choose Cervest if…

  • More market experience — founded in 2016
  • United Kingdom-based for regional compliance or proximity
  • Cervest builds a climate intelligence platform that quantifies climate risk for physical assets including agricultural land, commercial real estate, and infrastructure, using AI models that integrate climate science projections with asset-level data to produce probabilistic risk scores across multiple climate scenarios and time horizons
Weights and Biases logo

Choose Weights and Biases if…

Top Pick
  • Higher Awaira Score — 80/100 vs 45/100
  • More established by valuation ($1.3B)
  • Stronger investor backing — raised $250M
  • 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

Cervest raised $32M across 2 rounds. Weights and Biases raised $250M across 5 rounds.

Cervest

Series A

Oct 2017

$26.6M

Seed

Jun 2016

$5.4M

Weights and Biases

Series C

Aug 2023

Lead: Daniel Gross

$50M

Series C

Sep 2022

Lead: Sequoia Capital

$125M

Series B

Mar 2021

Lead: Sequoia Capital

$50M

Series A

Apr 2019

Lead: Sequoia Capital

$15M

Series A

Jan 2018

Lead: Google Ventures

$5M

Investor Comparison

No shared investors detected between these two companies.

Unique to Weights and Biases

Daniel GrossSequoia CapitalGoogle VenturesSalesforce VenturesAndreessen Horowitz

Users Also Compare

FAQ — Cervest vs Weights and Biases

Is Cervest bigger than Weights and Biases?
Weights and Biases has a disclosed valuation of $1.3B, while Cervest's valuation is not publicly available, making a direct size comparison difficult. Weights and Biases employs 300 people.
Which company raised more funding — Cervest or Weights and Biases?
Weights and Biases has raised more in total funding at $250M, compared to Cervest's $32M — a gap of $218M. Combined, the two companies have completed 7 known funding rounds.
Which company has a higher Awaira Score?
Weights and Biases leads with an Awaira Score of 80/100, while Cervest sits at 45/100. That 35-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.
Who founded Cervest vs Weights and Biases?
Cervest was founded by Iggy Bassi in 2016. Weights and Biases was founded by Lukas Biewald in 2017. Visit each company's profile on Awaira for a full founder biography.
What does Cervest do vs Weights and Biases?
Cervest: Cervest builds a climate intelligence platform that quantifies climate risk for physical assets including agricultural land, commercial real estate, and infrastructure, using AI models that integrate climate science projections with asset-level data to produce probabilistic risk scores across multiple climate scenarios and time horizons. The London company targets institutional investors, insurers, and corporate treasury teams seeking to quantify physical climate risk in their portfolios.\n\nThe company raised approximately $32 million including a Series A round with investors including Astanor Ventures, Alumni Ventures, and the Future Planet Capital fund. Cervest built its EarthScan product as a SaaS platform delivering climate risk analytics for millions of individual assets, compatible with financial reporting frameworks including TCFD and SFDR that require climate risk disclosure from institutional investors. The platform covers risk categories including flood, drought, heat, wildfire, and storm surge across global geographies.\n\nCervest competes in the physical climate risk analytics market alongside Jupiter Intelligence, The Climate Service, and Verisk Climate, as well as large financial data providers including Moody ESG Solutions and S&P Sustainable. Regulatory pressure on financial institutions to disclose climate-related physical risks under TCFD and forthcoming mandatory climate disclosure regimes represents the primary demand driver for the company products. The market is growing rapidly as regulators in Europe, the UK, and North America formalise climate risk reporting requirements for banks, insurers, and listed companies. Weights and Biases: Weights and Biases is a machine learning platform founded in 2017 that provides infrastructure for experiment tracking, model management, and collaboration in AI development. The company's core product enables data scientists and ML engineers to log, visualize, and compare machine learning experiments, addressing the reproducibility and collaboration challenges inherent in modern AI workflows. The platform integrates with popular ML frameworks including PyTorch, TensorFlow, and scikit-learn, allowing teams to track metrics, parameters, and outputs across training runs. W&B's offering extends to model registry capabilities, enabling organizations to version, document, and deploy models systematically. The company serves enterprises across computer vision, natural language processing, and reinforcement learning domains. As of its Series C funding stage, Weights and Biases has raised $250 million at a $1.3 billion valuation, positioning it among well-capitalized AI infrastructure startups. The company competes in the ML operations space alongside platforms like Databricks and Neptune, differentiating through its focus on experiment tracking and accessibility to individual practitioners and teams. Notable adoption spans research institutions and technology companies implementing large-scale ML pipelines. The platform's freemium model has facilitated rapid adoption within the academic and startup ecosystems, while enterprise offerings target organizations requiring advanced governance and integration capabilities. Growth trajectory reflects increasing enterprise demand for ML operations infrastructure. Weights and Biases occupies a critical position in the ML operations stack by specializing in experiment tracking and model management, essential infrastructure that bridges individual data scientist workflows and enterprise-scale ML deployment.
Which company was founded first?
Cervest got there first, launching in 2016 — that's 1 year of extra runway. Weights and Biases didn't arrive until 2017. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.
Which company has more employees?
Cervest has about 1-50 employees; Weights and Biases has about 300. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.
Are Cervest and Weights and Biases competitors?
Yes — they're direct rivals. Both Cervest and Weights and Biases compete in AI Data, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.

Bottom Line

Weights and Biases has a clear lead here — Awaira Score of 80 vs Cervest's 45. 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 Cervest 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.

Deep Dive