Amplitude (AMPL) vs SoundHound AI (SOUN)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Amplitude (AMPL) has outperformed SoundHound AI (SOUN) over the past year, gaining 51.3% versus a loss of 71.0%. SoundHound AI is the larger company by market cap ($2.39 billion vs $2.08 billion), about 1.2 times the size. SoundHound AI converts more of its revenue into profit, with a net margin of -8.3% versus -25.8%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AMPL | SOUN |
|---|---|---|
| Share price | $15.67 | $5.39 |
| Market cap | $2.08B | $2.39B |
| 1-day change | +2.49% | -2.36% |
| YTD return | +35.32% | -45.94% |
| 1-year return | +51.25% | -70.99% |
| 5-year return | -72.71% | — |
| Forward P/E | 90.67 | — |
| EPS (TTM) | $-0.77 | $-0.62 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $343.21M | $168.92M |
| Revenue growth (YoY) | +14.68% | +99.45% |
| Net income (latest FY) | $-88.54M | $-14.01M |
| Gross margin | 73.99% | 42.36% |
| Operating margin | — | -13.78% |
| Net margin | -25.80% | -8.29% |
| 52-week high | $15.87 | $22.17 |
| 52-week low | $5.51 | $5.36 |
| Distance from 52-week high | -1.26% | -75.69% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | -7.15% | +133.21% |
| Average volume | 1.91M | 27.24M |
| Shares outstanding | 103.87M | 411.58M |
| Employees | 795 | 954 |
| Sector | Technology | Technology |
| Industry | Computer Software: Prepackaged Software | Computer Software: Prepackaged Software |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- AMPL has outperformed SOUN by 122.2 percentage points over the past year.
- SoundHound AI is more profitable, keeping -8.3 cents of every revenue dollar as net income versus -25.8 cents for Amplitude.
- SoundHound AI grew revenue faster in its latest fiscal year (+99.45% vs +14.68%).
About Amplitude
AMPL stock →Amplitude, Inc., together with its subsidiaries, provides an AI analytics platform that helps analyze customer behavior within digital products in the United States and internationally. It offers Amplitude Analytics, which provides real-time insights into user behavior; Amplitude Session Replay, a tool that offers a qualitative perspective by reconstructing user journeys; Amplitude Feature Experimentation, which enables product, data, and engineering teams to build experiments; Amplitude Web Experimentation, a solution that reduces the need for engineering support and accelerates testing; Amplitude Activation, which resolves identity conflicts, streamlines data integration, and facilitates organizations to personalize and activate campaigns and experiences; Amplitude Guides and Surveys that helps companies to deploy in-product guides, tours, and surveys using the power of behavioral insights to fuel great results; Amplitude AI Agents, accomplish specific goals, such as increasing checkout conversions or feature adoption; Amplitude MCP, is a server enables teams to analyze product data, experiments, and user behavior using conversational AI; Amplitude AI Visibility gives marketers unprecedented insights into how their brand show up; Amplitude AI Feedback, is a feedback engine that uses proprietary large language models to convert raw user input into actionable insights; and Amplitude Automated Insights, is a replicates standard analysis process, executes chained tool calls, and it searches charts and reports to investigate experiments, campaigns, and product releases.
Technology · Computer Software: Prepackaged Software · 795 employees
About SoundHound AI
SOUN stock →SoundHound AI, Inc. provides independent voice artificial intelligence (AI) solutions that enables businesses across the automotive, TV, IoT, and customer service industries to deliver conversational experiences to customers in the United States, Korea, France, Japan, Germany, and internationally.
Technology · Computer Software: Prepackaged Software · 954 employees
AMPL vs SOUN FAQ
Which is bigger, Amplitude or SoundHound AI?
SoundHound AI (SOUN) is larger, with a market capitalization of $2.39B compared with $2.08B for Amplitude (AMPL).
Which stock has performed better over the past year, AMPL or SOUN?
AMPL returned +51.25% over the past 12 months, compared with -70.99% for SOUN (price return, excluding dividends). Past performance does not predict future results.
Are Amplitude and SoundHound AI in the same industry?
Yes. Both are classified in the Computer Software: Prepackaged Software industry within the Technology sector.