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Causaly vs Tempus

Side-by-side on valuation, funding, investors, founders & more

Comparison updated: April 2026

Tempus is valued at $8.1B — more than 3x Causaly's N/A.

Head-to-Head Verdict

Tempus leads on 4 of 4 metrics

Causaly

0 wins

-Funding
-Awaira Score
-Team Size
-Experience

Tempus

4 wins

+Funding
+Awaira Score
+Team Size
+Experience

Key Numbers

Valuation
N/A
$8.1B
Total Funding
$66M
$1.1B
Awaira Score
45/100
84/100
Employees
1-50
2500
Founded
2018
2015
Stage
Acquired
Public
CausalyTempus
Causaly logo
Causaly

🇬🇧 United Kingdom · Elias Iosif

AcquiredAI HealthcareEst. 2018

Valuation

N/A

Total Funding

$66M

Awaira Score45/100

1-50 employees

Full Causaly Profile →
Winner
Tempus logo
Tempus

🇺🇸 United States · Eric Lefkofsky

PublicAI HealthcareEst. 2015

Valuation

$8.1B

Total Funding

$1.1B

Awaira Score84/100

2500 employees

Full Tempus Profile →
Market Context

As AI Healthcare players, Causaly and Tempus target overlapping customers despite operating from different countries. The stage gap — Causaly at Acquired vs Tempus at Public — shapes how each company allocates capital and talent.

🔬

Analyst Summary

Built from real data · Updated April 2026

Companies

AI Healthcare remains a contested market, with Causaly and Tempus among its most prominent entrants. Causaly built a biomedical AI platform that extracts and maps causal relationships from scientific literature at scale, allowing pharmaceutical researchers and scientists to query cause-and-effect relationships across millions of published papers and clinical documents. Tempus is an AI-driven oncology and precision medicine company founded in 2015 that utilizes machine learning and data analysis to improve cancer treatment outcomes.

Funding & Valuation

Tempus carries a disclosed valuation of $8.1B, while Causaly remains privately valued. With $1.1B raised, Tempus has attracted substantially more capital than Causaly ($66M).

Growth Stage

Established in 2015, Tempus has a modest 3-year head start over Causaly (2018). Causaly is at Acquired while Tempus stands at Public, indicating different levels of maturity and investor risk. On headcount, Causaly reports 1-50 employees and Tempus reports 2500.

Geography & Outlook

Causaly operates out of 🇬🇧 United Kingdom while Tempus is based in 🇺🇸 United States, giving each a distinct home-market advantage. On Awaira's 0-100 scale, Tempus leads decisively at 84 compared to Causaly's 45. Causaly, led by Elias Iosif, and Tempus, led by Eric Lefkofsky, each bring distinct leadership visions to the AI sector.

Funding Velocity

Causaly

Total Rounds5
Avg. Round Size$13.2M
Funding Span5.3 yrs

Tempus

Total Rounds5
Avg. Round Size$90M
Funding Span5.5 yrs

Funding History

Causaly has completed 5 funding rounds, while Tempus has gone through 5. Causaly's most recent round was a Series D of $26.4M, compared to Tempus's IPO. Causaly is at Acquired while Tempus is at Public — different points in their growth trajectory.

Team & Scale

Tempus has the bigger team at roughly 2500 people — 2500x the size of Causaly's 1-50. Tempus has a 3-year head start, founded in 2015 vs Causaly's 2018. Geographically, they're in different markets — Causaly operates out of United Kingdom and Tempus from United States.

Metrics Comparison

MetricCausalyTempus
💰Valuation
N/A
$8.1B
📈Total Funding
$66M
$1.1BWINS
📅Founded
2018WINS
2015
🚀Stage
Acquired
Public
👥Employees
1-50
2500
🌍Country
United Kingdom
United States
🏷️Category
AI Healthcare
AI Healthcare
Awaira Score
45
84WINS

Key Differences

📈

Funding gap: Tempus has raised $984M more ($1.1B vs $66M)

📅

Market experience: Tempus has 3 years more (founded 2015 vs 2018)

🚀

Growth stage: Causaly is at Acquired vs Tempus at Public

👥

Team size: Causaly has 1-50 employees vs Tempus's 2500

🌍

Market base: 🇬🇧 Causaly (United Kingdom) vs 🇺🇸 Tempus (United States)

⚔️

Direct competitors: Both operate in the AI Healthcare market segment

Awaira Score: Tempus scores 84/100 vs Causaly's 45/100

Which Should You Choose?

Use these signals to make the right call

Causaly logo

Choose Causaly if…

  • United Kingdom-based for regional compliance or proximity
  • Causaly built a biomedical AI platform that extracts and maps causal relationships from scientific literature at scale, allowing pharmaceutical researchers and scientists to query cause-and-effect relationships across millions of published papers and clinical documents
Tempus logo

Choose Tempus if…

Top Pick
  • Higher Awaira Score — 84/100 vs 45/100
  • More established by valuation ($8.1B)
  • Stronger investor backing — raised $1.1B
  • More market experience — founded in 2015
  • United States-based for regional compliance or proximity
  • Tempus is an AI-driven oncology and precision medicine company founded in 2015 that utilizes machine learning and data analysis to improve cancer treatment outcomes

Funding History

Causaly raised $66M across 5 rounds. Tempus raised $1.1B across 5 rounds.

Causaly

Series D

Oct 2023

$26.4M

Series C

Jun 2022

$20.5M

Series B

Feb 2021

$11.9M

Series A

Oct 2019

$5.3M

Seed

Jun 2018

$2M

Tempus

IPO

Jul 2021

Series D

Jan 2021

$175M

Series C

Jan 2019

$110M

Series B

Jan 2017

$45M

Series A

Jan 2016

$30M

Users Also Compare

FAQ — Causaly vs Tempus

Is Causaly bigger than Tempus?
Tempus has a disclosed valuation of $8.1B, while Causaly's valuation is not publicly available, making a direct size comparison difficult. Tempus employs 2500 people.
Which company raised more funding — Causaly or Tempus?
Tempus has raised more in total funding at $1.1B, compared to Causaly's $66M — a gap of $984M. Combined, the two companies have completed 10 known funding rounds.
Which company has a higher Awaira Score?
Tempus leads with an Awaira Score of 84/100, while Causaly sits at 45/100. That 39-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.
Who founded Causaly vs Tempus?
Causaly was founded by Elias Iosif in 2018. Tempus was founded by Eric Lefkofsky in 2015. Visit each company's profile on Awaira for a full founder biography.
What does Causaly do vs Tempus?
Causaly: Causaly built a biomedical AI platform that extracts and maps causal relationships from scientific literature at scale, allowing pharmaceutical researchers and scientists to query cause-and-effect relationships across millions of published papers and clinical documents. The platform used a specialised natural language processing system trained to identify causal assertions in biomedical text, producing a structured knowledge graph of disease mechanisms, drug targets, and biological pathways.\n\nThe company was founded in London in 2018 and was acquired by Elsevier, the academic publishing giant, in 2022. The acquisition gave Elsevier an AI layer to sit atop its vast corpus of scientific publications, enabling researchers using ScienceDirect and other Elsevier products to query causal biological knowledge rather than simply searching for documents. Prior to acquisition, Causaly had built a client base among pharmaceutical R&D teams seeking to accelerate literature review and hypothesis generation.\n\nCausaly represented a niche but strategically important segment of the biomedical AI market: causal reasoning and knowledge graph construction. Its acquisition by Elsevier followed a broader trend of academic publishers acquiring AI startups to enhance their platforms, similar to Wiley acquiring Atypon and Springer Nature building AI discovery tools. The company is now integrated into Elsevier Research Intelligence, extending causal AI capabilities to Elsevier institutional subscribers worldwide. Tempus: Tempus is an AI-driven oncology and precision medicine company founded in 2015 that utilizes machine learning and data analysis to improve cancer treatment outcomes. The platform aggregates and analyzes vast datasets including clinical data, imaging, molecular information, and outcomes to identify personalized treatment strategies for cancer patients. Tempus's core technology uses artificial intelligence to match patient-specific tumor characteristics with optimal therapeutic options, enabling oncologists to make data-informed treatment decisions. The company operates primarily in the United States and serves hospitals, health systems, and oncology practices through its cloud-based platform. Its applications span multiple cancer types including lung, colorectal, breast, and ovarian cancers. Tempus has secured $1.3 billion in total funding and achieved a valuation of $8.1 billion, reflecting significant investor confidence in precision oncology. The company went public, transitioning from private to public markets. Tempus competes with other AI health platforms and precision medicine companies like Foundation Medicine and others focused on genomic analysis and treatment selection. The company's growth trajectory reflects expanding adoption of AI-driven oncology tools and increasing demand for personalized cancer treatment protocols. Its competitive positioning centers on its data infrastructure scale and machine learning capabilities applied to complex clinical decision-making. Tempus combines clinical, imaging, and molecular data through AI to provide real-time oncology treatment recommendations at scale across U.S. health systems.
Which company was founded first?
Tempus got there first, launching in 2015 — that's 3 years of extra runway. Causaly didn't arrive until 2018. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.
Which company has more employees?
Causaly has about 1-50 employees; Tempus has about 2500. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.
Are Causaly and Tempus competitors?
Yes — they're direct rivals. Both Causaly and Tempus compete in AI Healthcare, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.

Bottom Line

Tempus has a clear lead here — Awaira Score of 84 vs Causaly's 45. The difference comes down to funding depth and team scale.

Who Should You Watch?

Tempus is in the stronger position — better score and deeper pockets. But Causaly 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