Lambda Labs vs Fireworks AI
Side-by-side on valuation, funding, investors, founders & more
Comparison updated: April 2026
Neck and neck — Lambda Labs ($4B) and Fireworks AI ($4B) are valued within 20% of each other.
Head-to-Head Verdict
Lambda Labs
3 wins
Fireworks AI
0 wins
🇺🇸 United States · Stephen Balaban
Valuation
$4B
Total Funding
$2.3B
300 employees
🇺🇸 United States · Lin Qiao
Valuation
$4B
Total Funding
$327M
150 employees
This is a head-to-head contest: both operate in AI Infrastructure and share a home market in United States. Different stages (Series E vs Series C) mean these companies face fundamentally different operational priorities.
Analyst Summary
Built from real data · Updated April 2026
Within AI Infrastructure, Lambda Labs and Fireworks AI rank among the most closely watched rivals. Lambda Labs is a cloud infrastructure provider specializing in GPU and AI computing resources, founded in 2012 and headquartered in the USA. Fireworks AI, founded in 2022, develops infrastructure software for deploying and running large language models (LLMs) in production environments.
The two trade at comparable valuations — Fireworks AI at $4B versus Lambda Labs at $4B. Lambda Labs has amassed $2.3B in total funding, far exceeding Fireworks AI's $327M.
Fireworks AI is the younger company by 10 years, having launched in 2022 compared to Lambda Labs's 2012 founding. Stage-wise, Lambda Labs is classified as Series E and Fireworks AI as Series C, reflecting divergent fundraising histories. Team sizes also differ: Lambda Labs employs 300 people versus Fireworks AI's 150.
Headquartered in 🇺🇸 United States, both Lambda Labs and Fireworks AI draw from the same local ecosystem of talent and capital. Awaira's composite score rates them neck-and-neck: Lambda Labs at 82 and Fireworks AI at 82 out of 100. Under Stephen Balaban and Lin Qiao respectively, both companies continue to chart aggressive growth paths.
Key Numbers
Funding Velocity
Lambda Labs
Fireworks AI
Funding History
Lambda Labs has completed 3 funding rounds, while Fireworks AI has gone through 2. Lambda Labs's most recent round was a Series C of $800M, compared to Fireworks AI's Series B ($52M). Lambda Labs is at Series E while Fireworks AI is at Series C — different points in their growth trajectory.
Team & Scale
Team sizes are in the same ballpark: Lambda Labs has about 300 people and Fireworks AI has around 150. Lambda Labs has a 10-year head start, founded in 2012 vs Fireworks AI's 2022. Both are based in United States.
Metrics Comparison
| Metric | Lambda Labs | Fireworks AI |
|---|---|---|
💰Valuation | $4B | $4B |
📈Total Funding | $2.3BWINS | $327M |
📅Founded | 2012 | 2022WINS |
🚀Stage | Series E | Series C |
👥Employees | 300 | 150 |
🌍Country | United States | United States |
🏷️Category | AI Infrastructure | AI Infrastructure |
⭐Awaira Score | 82 | 82 |
Key Differences
Funding gap: Lambda Labs has raised $2B more ($2.3B vs $327M)
Market experience: Lambda Labs has 10 years more (founded 2012 vs 2022)
Growth stage: Lambda Labs is at Series E vs Fireworks AI at Series C
Team size: Lambda Labs has 300 employees vs Fireworks AI's 150
Direct competitors: Both operate in the AI Infrastructure market segment
Which Should You Choose?
Use these signals to make the right call
Choose Lambda Labs if…
Top Pick- ✓Stronger investor backing — raised $2.3B
- ✓More market experience — founded in 2012
- ✓Lambda Labs is a cloud infrastructure provider specializing in GPU and AI computing resources, founded in 2012 and headquartered in the USA
Choose Fireworks AI if…
- ✓Fireworks AI, founded in 2022, develops infrastructure software for deploying and running large language models (LLMs) in production environments
Funding History
Lambda Labs raised $2.3B across 3 rounds. Fireworks AI raised $327M across 2 rounds.
Lambda Labs
Series C
Aug 2024
Lead: Blackstone
Series B
Feb 2024
Lead: Thomas Tull
Series A
Apr 2022
Lead: Gradient Ventures
Fireworks AI
Series B
Jul 2024
Lead: Sequoia Capital
Series A
Mar 2024
Lead: Sequoia Capital
Investor Comparison
Unique to Lambda Labs
Unique to Fireworks AI
Users Also Compare
Explore Further
FAQ — Lambda Labs vs Fireworks AI
Is Lambda Labs bigger than Fireworks AI?▾
Which company raised more funding — Lambda Labs or Fireworks AI?▾
Which company has a higher Awaira Score?▾
Who founded Lambda Labs vs Fireworks AI?▾
What does Lambda Labs do vs Fireworks AI?▾
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Bottom Line
It's close. Both Lambda Labs and Fireworks AI are strong players, and picking a winner depends on what you're looking for. Check each profile for the full picture.
Who Should You Watch?
This one's genuinely too close to call. Both companies are competitive, and the winner will likely come down to execution over the next 12-18 months. Follow both profiles on Awaira to track funding rounds, team changes, and score updates.