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Side-by-side financial comparison of Heartflow, Inc. (HTFL) and SOUNDHOUND AI, INC. (SOUN). Click either name above to swap in a different company.

SOUNDHOUND AI, INC. is the larger business by last-quarter revenue ($55.1M vs $46.3M, roughly 1.2× Heartflow, Inc.). SOUNDHOUND AI, INC. runs the higher net margin — 72.8% vs -109.9%, a 182.6% gap on every dollar of revenue. Heartflow, Inc. produced more free cash flow last quarter ($-4.2M vs $-22.3M).

HeartFlow, Inc. develops non-invasive cardiovascular diagnostic solutions for global healthcare providers. Its core product uses CT scan data to build 3D coronary artery models, assess blood flow to detect blockages, and support clinicians in making personalized heart disease treatment decisions without invasive procedures.

SoundHound AI, Inc. is an American music and speech recognition company based in Santa Clara, California. It was originally founded as Melodis in 2005 before rebranding to SoundHound Inc. in 2010, and SoundHound AI in 2022.

HTFL vs SOUN — Head-to-Head

Bigger by revenue
SOUN
SOUN
1.2× larger
SOUN
$55.1M
$46.3M
HTFL
Higher net margin
SOUN
SOUN
182.6% more per $
SOUN
72.8%
-109.9%
HTFL
More free cash flow
HTFL
HTFL
$18.1M more FCF
HTFL
$-4.2M
$-22.3M
SOUN

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
HTFL
HTFL
SOUN
SOUN
Revenue
$46.3M
$55.1M
Net Profit
$-50.9M
$40.1M
Gross Margin
76.5%
47.9%
Operating Margin
-32.6%
77.3%
Net Margin
-109.9%
72.8%
Revenue YoY
59.4%
Net Profit YoY
115.5%
EPS (diluted)
$-1.04
$-0.13

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
HTFL
HTFL
SOUN
SOUN
Q4 25
$55.1M
Q3 25
$46.3M
$42.0M
Q2 25
$43.4M
$42.7M
Q1 25
$29.1M
Q4 24
$34.5M
Q3 24
$25.1M
Q2 24
$13.5M
Q1 24
$11.6M
Net Profit
HTFL
HTFL
SOUN
SOUN
Q4 25
$40.1M
Q3 25
$-50.9M
$-109.3M
Q2 25
$-9.2M
$-74.7M
Q1 25
$129.9M
Q4 24
$-258.6M
Q3 24
$-21.8M
Q2 24
$-37.3M
Q1 24
$-33.0M
Gross Margin
HTFL
HTFL
SOUN
SOUN
Q4 25
47.9%
Q3 25
76.5%
42.6%
Q2 25
75.5%
39.0%
Q1 25
36.5%
Q4 24
39.9%
Q3 24
48.6%
Q2 24
63.0%
Q1 24
59.7%
Operating Margin
HTFL
HTFL
SOUN
SOUN
Q4 25
77.3%
Q3 25
-32.6%
-275.6%
Q2 25
-31.6%
-182.9%
Q1 25
Q4 24
-744.2%
Q3 24
-134.6%
Q2 24
-163.3%
Q1 24
-246.1%
Net Margin
HTFL
HTFL
SOUN
SOUN
Q4 25
72.8%
Q3 25
-109.9%
-259.9%
Q2 25
-21.2%
-175.1%
Q1 25
446.1%
Q4 24
-748.6%
Q3 24
-86.7%
Q2 24
-277.2%
Q1 24
-284.7%
EPS (diluted)
HTFL
HTFL
SOUN
SOUN
Q4 25
$-0.13
Q3 25
$-1.04
$-0.27
Q2 25
$-1.46
$-0.19
Q1 25
$0.31
Q4 24
$-0.75
Q3 24
$-0.06
Q2 24
$-0.11
Q1 24
$-0.12

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
HTFL
HTFL
SOUN
SOUN
Cash + ST InvestmentsLiquidity on hand
$291.2M
$248.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$254.6M
$463.8M
Total Assets
$364.4M
$688.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HTFL
HTFL
SOUN
SOUN
Q4 25
$248.5M
Q3 25
$291.2M
$268.9M
Q2 25
$80.2M
$230.3M
Q1 25
$245.8M
Q4 24
$198.2M
Q3 24
$135.6M
Q2 24
$200.2M
Q1 24
$211.7M
Total Debt
HTFL
HTFL
SOUN
SOUN
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$0
Q3 24
Q2 24
Q1 24
$85.5M
Stockholders' Equity
HTFL
HTFL
SOUN
SOUN
Q4 25
$463.8M
Q3 25
$254.6M
$399.2M
Q2 25
$-894.8M
$359.8M
Q1 25
$397.0M
Q4 24
$182.7M
Q3 24
$296.0M
Q2 24
$223.9M
Q1 24
$155.5M
Total Assets
HTFL
HTFL
SOUN
SOUN
Q4 25
$688.2M
Q3 25
$364.4M
$702.2M
Q2 25
$159.4M
$579.5M
Q1 25
$587.5M
Q4 24
$554.0M
Q3 24
$499.7M
Q2 24
$266.7M
Q1 24
$287.4M
Debt / Equity
HTFL
HTFL
SOUN
SOUN
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.00×
Q3 24
Q2 24
Q1 24
0.55×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
HTFL
HTFL
SOUN
SOUN
Operating Cash FlowLast quarter
$-3.0M
$-21.9M
Free Cash FlowOCF − Capex
$-4.2M
$-22.3M
FCF MarginFCF / Revenue
-9.1%
-40.4%
Capex IntensityCapex / Revenue
2.7%
0.7%
Cash ConversionOCF / Net Profit
-0.55×
TTM Free Cash FlowTrailing 4 quarters
$-99.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HTFL
HTFL
SOUN
SOUN
Q4 25
$-21.9M
Q3 25
$-3.0M
$-32.7M
Q2 25
$-40.5M
$-24.5M
Q1 25
$-19.2M
Q4 24
$-33.1M
Q3 24
$-35.3M
Q2 24
$-18.5M
Q1 24
$-21.9M
Free Cash Flow
HTFL
HTFL
SOUN
SOUN
Q4 25
$-22.3M
Q3 25
$-4.2M
$-32.8M
Q2 25
$-42.4M
$-24.7M
Q1 25
$-19.3M
Q4 24
$-33.2M
Q3 24
$-35.5M
Q2 24
$-18.7M
Q1 24
$-22.0M
FCF Margin
HTFL
HTFL
SOUN
SOUN
Q4 25
-40.4%
Q3 25
-9.1%
-78.1%
Q2 25
-97.6%
-57.8%
Q1 25
-66.4%
Q4 24
-96.1%
Q3 24
-141.6%
Q2 24
-139.1%
Q1 24
-190.2%
Capex Intensity
HTFL
HTFL
SOUN
SOUN
Q4 25
0.7%
Q3 25
2.7%
0.4%
Q2 25
4.4%
0.4%
Q1 25
0.6%
Q4 24
0.2%
Q3 24
0.9%
Q2 24
1.8%
Q1 24
0.9%
Cash Conversion
HTFL
HTFL
SOUN
SOUN
Q4 25
-0.55×
Q3 25
Q2 25
Q1 25
-0.15×
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

HTFL
HTFL

Segment breakdown not available.

SOUN
SOUN

Hosted Services$37.7M68%
Licensing$12.6M23%
Professional Service$4.6M8%

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