Coval vs Mastra
Coval vs Mastra, compared side by side on 20 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Coval is on 49/100 and Mastra on 77/100.
Where each one leads
Coval
Leads on none of the measures we hold for both companies.
Mastra
- our overall score: 77/100 against 49/100
- agent readiness: 58/100 against 39/100
- domain rating: 76/100 against 52/100
- headcount: 53 against 18
- funding raised: $35.5M against $3.3M
- LinkedIn following: 6,591 against 4,722
At a glance
| Measure | Coval | Mastra |
|---|---|---|
| What it is | Coval offers an AI-powered simulation and evaluation platform for voice and chat agents, enabling automated testing, performance monitoring, and rapid development for engineering teams. | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. |
| Category | Agentic AI | Agentic AI, AI Agents, Developer Tools, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Not published | Platform |
| Founded | 2024 | 2024 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Coval | Mastra |
|---|---|---|
| Employees | 18 | 53 |
| Headcount growthLast 12 months | Not published | +204.5% |
| Total funding | $3.3M | $35.5M |
| Latest round | Not published | Series A |
| LinkedIn followers | 4,722 | 6,591 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Coval | Mastra |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 49/100 | 77/100 |
| Traction | 45/100 | 70/100 |
| Team | 30/100 | 90/100 |
| Community | Not published | 38/100 |
| Search visibility | 29/100 | 68/100 |
| Quality | 58/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 52/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Coval | Mastra |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Vercel | Vercel |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | Google Analytics 4, PostHog | Not detected |
| Support stack | HubSpot | Not detected |
| Open source | No | Yes, 15,100 GitHub stars |
| Self-hostable | No | Yes |
Product and pricing
| Measure | Coval | Mastra |
|---|---|---|
| Key features | Simulate conversations, Launch evaluations, Track regressions, Monitor production calls, Define alerts, Analyze performance | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular |
What users say
| Measure | Coval | Mastra |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 2 votes |
Coval vs Mastra: common questions
Which is better, Coval or Mastra?
On our 0-100 score Mastra rates higher (77/100 against 49/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 20 data points above: read the rows that match what you are buying for.
How do Coval and Mastra compare on the numbers?
Mastra leads on our overall score (77/100 against 49/100), agent readiness (58/100 against 39/100), domain rating (76/100 against 52/100), headcount (53 against 18), funding raised ($35.5M against $3.3M), LinkedIn following (6,591 against 4,722).
Read the full Coval review and pricing or the Mastra review and pricing. You can also browse other Coval alternatives we track.