Codeium vs Mailhaven
Codeium vs Mailhaven, compared side by side on 9 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: Codeium is on 70/100 and Mailhaven on 16/100.
Where each one leads
Codeium
- our overall score: 70/100 against 16/100
- agent readiness: 29/100 against 21/100
Mailhaven
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Codeium | Mailhaven |
|---|---|---|
| What it is | AI-powered code acceleration platform that enhances developer productivity and code quality. | AI-powered email assistant that helps users manage their inbox and communicate more effectively. |
| Category | Artificial Intelligence, Developer Tools, AI Coding Assistant, Code Generation | AI Coding Assistant, AI Copilot, Developer Tools, Foundation Model |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2021 | Not published |
| Headquarters | Mountain View, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Codeium | Mailhaven |
|---|---|---|
| Employees | 110 | Not published |
| Headcount growthLast 12 months | -30.9% | Not published |
| Total funding | $397M | Not published |
| Latest round | Series C | Not published |
| Valuation | $1.3B | Not published |
| LinkedIn followers | 63,143 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Codeium | Mailhaven |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 70/100 | 16/100 |
| Traction | 60/100 | Not published |
| Team | 60/100 | Not published |
| Community | 8/100 | Not published |
| Search visibility | 80/100 | Not published |
| Quality | 78/100 | 25/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (29/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 81/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Codeium | Mailhaven |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Not detected |
| Open source | Yes | No |
What users say
| Measure | Codeium | Mailhaven |
|---|---|---|
| Reddit sentimentThreads we track | 1 positive, 3 negative across 6 threads | Not published |
“My name’s Vladimir, I’ve been writing code for 15 years. I remember the days before IntelliSense, when “autocomplete” meant a printed O’Reilly book on your desk and a strong memory. Over the last decade and a half, I’ve moved from jQuery sp”r/UIUXDesignFrontier
Codeium vs Mailhaven: common questions
Which is better, Codeium or Mailhaven?
On our 0-100 score Codeium rates higher (70/100 against 16/100). 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 9 data points above: read the rows that match what you are buying for.
How do Codeium and Mailhaven compare on the numbers?
Codeium leads on our overall score (70/100 against 16/100), agent readiness (29/100 against 21/100).
What do real users say about Codeium and Mailhaven?
Codeium: 1 positive and 3 negative mentions across 6 Reddit threads we track, mostly in r/UIUXDesignFrontier.
Read the full Codeium review and pricing or the Mailhaven review and pricing. You can also browse other Codeium alternatives we track.