AgentMail vs Proxis
Reviewed by MarTechRadar Research Desk. Pricing & entity snapshots verified Oct 26, 2026.
AgentMail (Cloud SaaS Platform) and Proxis (Web SaaS) both compete in Cold Email Sequences & Mailbox Infra. On pricing, AgentMail lists Free plan · $20–$200/mo · Enterprise plan (free plan), whereas Proxis lists Custom / enterprise pricing (free plan). Technically, AgentMail is rated L3 · Conditional automation with a 3.1/5.0 (Workflow-embedded (strong)) moat, while Proxis is rated L3 · Conditional automation with a 2.3/5.0 (Workflow-embedded) moat. Corporate profile: AgentMail (founded 2024, HQ San Francisco, California, United States, $6.5M funding) vs. Proxis (founded 2024, HQ San Francisco, California, $500K funding). Verified by the MarTechRadar Research Desk (Oct 26, 2026 for AgentMail; Oct 16, 2026 for Proxis). At a 5-seat team baseline, AgentMail starts at ~$20/mo (base) vs Proxis at Custom quote.
AgentMail
API-first email inbox infrastructure purpose-built for AI agents to programmatically create inboxes, send, receive, and parse email threads.
5-User Team Cost: ~$20/mo (base) (Free plan · $20–$200/mo · Enterprise plan) · Autonomy: L3 · Conditional automation · Moat: 3.1/5.0 (Workflow-embedded (strong))
Target fit: B2B Marketing, Growth & Revenue Teams (Cloud SaaS Platform)
Proxis
Enterprise AI email agent and internal operations automation platform that handles inbound and outbound inbox workflows to close deals on autopilot.
5-Seat Floor: Custom quote (Custom / enterprise pricing) · Autonomy: L3 · Conditional automation · Moat: 2.3/5.0 (Workflow-embedded)
Target fit: B2B SaaS, Marketing & Growth Teams (Web SaaS)
How AgentMail and Proxis differ
- Pricing model: AgentMail is freemium, Proxis is enterprise / quote.
- AgentMail publishes an entry price (Free plan · $20–$200/mo · Enterprise plan); Proxis does not (Custom / enterprise pricing).
- Published tier ladder: AgentMail documents 3 priced tiers (Free / Sandbox $0, Developer $20/mo, Startup $200/mo); Proxis documents 1 priced tier (Free / Sandbox $0).
- Moat tier: AgentMail is rated Workflow-embedded (strong), Proxis Workflow-embedded.
- Delivery: AgentMail is a Cloud SaaS Platform product; Proxis is a Web SaaS product.
- Headquarters: AgentMail in San Francisco, California, United States, Proxis in San Francisco, California.
- Verified backing: AgentMail records $6.5M (General Catalyst, Y Combinator, Taro Fukuyama, Phosphor Capital, Dharmesh Shah); Proxis records $500K.
- Audience: AgentMail targets B2B Marketing, Growth & Revenue Teams; Proxis targets B2B SaaS, Marketing & Growth Teams.
Computed from the fields below. Only editor-verified ratings and vendor-sourced prices are compared.
When to choose AgentMail vs Proxis (and when to walk away)
Choose AgentMail if
- Target ICP & Stack Fit: You operate as B2B Marketing and Growth & Revenue Teams requiring a Cloud SaaS Platform deployment for Cold Email, with verified ecosystem connectivity for HubSpot, Model Context Protocol (MCP).
- L3 Architecture & Defensibility: AgentMail commands a strong agentic GTM infrastructure moat as the dedicated email inbox API for AI agents, backed by $6.5M in Seed funding led by General Catalyst, Y Combinator, and HubSpot co-founder Dharmesh Shah, with SOC 2 compliance and BYO-cloud options.
- Commercial Model Fit: Your procurement budget aligns with Free plan · $20–$200/mo · Enterprise plan and want a self-serve free tier for zero-cost initial validation.
Walk away from AgentMail if
- Walk away if your workflow requires uncapped enterprise volume on the Free plan · $20–$200/mo · Enterprise plan entry plan without upgrading tiers.
- Walk away if your workflow cannot tolerate primary operational trade-off: In practical enterprise deployments, the primary trade-off is that AgentMail is an API-first infrastructure layer for developers and agent builders rather than a no-code visual newsletter editor with drag-and-drop HTML marketing templates.
- Walk away if functional scope boundary is a deal-breaker for your team: AgentMail is not built for B2C graphic newsletter design, social media video scheduling, or display ad retargeting.
Choose Proxis if
- Target ICP & Stack Fit: You operate as B2B SaaS and Marketing & Growth Teams requiring a Web SaaS deployment for Cold Email.
- L3 Architecture & Defensibility: Deploying distilled, domain-tuned LLM email agents directly inside enterprise inboxes and internal operational workflows automates high-volume deal closing and back-office triage.
- Commercial Model Fit: Your procurement budget aligns with Custom / enterprise pricing and want a self-serve free tier for zero-cost initial validation.
Walk away from Proxis if
- Walk away if you require transparent self-serve monthly billing or your budget ceiling is under $1,000/mo (Proxis requires sales-gated custom quoting).
- Walk away if your workflow cannot tolerate animated pricing ui transparency friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
- Walk away if internal tool integration latency is a deal-breaker for your team: Connecting autonomous email agents to legacy on-premise ERPs and custom internal tools in traditional enterprises introduces initial API integration latency compared to cloud-native SaaS connectors.
Side-by-side facts
| Field | AgentMail | Proxis |
|---|---|---|
| Subtrack | Cold Email Sequences & Mailbox Infra | Cold Email Sequences & Mailbox Infra |
| Pricing | Free plan · $20–$200/mo · Enterprise plan | Custom / enterprise pricing |
| Pricing model | Freemium | Enterprise / quote |
| Published pricing tiers | Free / Sandbox ($0) · Developer ($20/mo) · Startup ($200/mo) · Enterprise / Custom (Custom quote) | Free / Sandbox ($0) · Enterprise / Custom (Custom quote) |
| Free access | Free plan | Free plan |
| Enterprise plan | Yes | Yes |
| AI autonomy level | L3 · Conditional automation | L3 · Conditional automation |
| Moat tier & score | 3.1 / 5.0 · Workflow-embedded (strong) | 2.3 / 5.0 · Workflow-embedded |
| Delivery | Cloud SaaS Platform | Web SaaS |
| Audience | B2B Marketing, Growth & Revenue Teams | B2B SaaS, Marketing & Growth Teams |
| Ecosystem integrations | HubSpot, Model Context Protocol (MCP) | — |
| Compliance & governance | SOC 2 | — |
| Funding & backing | $6.5M · Backed by General Catalyst, Y Combinator, Taro Fukuyama, Phosphor Capital, Dharmesh Shah | $500K |
| Founders | Haakam Aujla | Jackson Stokes, Liam Collins |
| Company size | 2-10 employees | 2-10 employees |
| Founded | 2024 | 2024 |
| Headquarters | San Francisco, California, United States | San Francisco, California |
| Fact-checked | MarTechRadar Research Desk, Oct 26, 2026 | MarTechRadar Research Desk, Oct 16, 2026 |
AgentMail vs Proxis: TCO & constraint stress test
Test how both tools behave under your team size, monthly budget ceiling, CRM ecosystem, and governance guardrails.
AgentMail
Low Procurement Risk · Strong Fit- Published Self-Serve Entry Floor: AgentMail publishes a transparent entry point (Free plan · $20–$200/mo · Enterprise plan) with a free tier for initial validation before committing.
- Tier Fit for 5-Seat Scale: Startup ($200/mo): Verified $200/mo Startup tier from vendor pricing schedule.
- Primary Operational Bottleneck: Primary Operational Trade-Off: In practical enterprise deployments, the primary trade-off is that AgentMail is an API-first infrastructure layer for developers and agent builders rather than a no-code visual newsletter editor with drag-and-drop HTML marketing templates.
Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the Free plan · $20–$200/mo · Enterprise plan entry plan without upgrading tiers.
Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in AgentMail's Free plan · $20–$200/mo · Enterprise plan tier before converting from monthly to annual billing.
Proxis
Conditional Fit · Contract & Stack Caveats- Opaque Enterprise Quoting vs. SMB/Mid-Market Budget: Proxis does not disclose a public self-serve floor (Custom / enterprise pricing). Buyers with a $800/mo cap face high sales-qualification friction.
- Published Self-Serve Entry Floor: Proxis publishes a transparent entry point (Custom / enterprise pricing) with a free tier for initial validation before committing.
- Primary Operational Bottleneck: Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
Walk-Away Rule: Walk away if you require transparent self-serve monthly billing or your budget ceiling is under $1,000/mo (Proxis requires sales-gated custom quoting).
Negotiation Lever: Demand a 30- to 60-day paid pilot opt-out clause in the Proxis order form before signing a 12-month enterprise commitment.
Limitations
AgentMail
Operational considerations and platform boundaries include: Primary Operational Trade-Off: In practical enterprise deployments, the primary trade-off is that AgentMail is an API-first infrastructure layer for developers and agent builders rather than a no-code visual newsletter editor with drag-and-drop HTML marketing templates.Full limitations in the AgentMail review
Proxis
Operational limitations and technical trade-offs include: Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.Full limitations in the Proxis review
Official vendor architectural differentiators & migration proof
To help buyers evaluate real-world switching costs, verified founders, solutions architects, and PMMs at both AgentMail and Proxis can submit up to 3 evidence-backed architectural differentiators or verified customer migration case studies.
Why teams choose AgentMail over Proxis
Work at AgentMail? Verify your official domain email to publish 3 technical differentiators, migration benchmarks, or a head-to-head buyer sandbox offer on this comparison page:
+ Submit AgentMail Official Differentiators & Case Study →Why teams choose Proxis over AgentMail
Work at Proxis? Verify your official domain email to publish 3 technical differentiators, migration benchmarks, or a head-to-head buyer sandbox offer on this comparison page:
+ Submit Proxis Official Differentiators & Case Study →Pricing notes & tier schedules
AgentMail: Free plan · $20–$200/mo · Enterprise plan
Free ($0/mo, 3 inboxes, 3,000 emails/mo), Developer at $20/month (10 inboxes, 10,000 emails/mo), Startup at $200/month (150 inboxes, SOC 2), and Custom Enterprise; extra inboxes/domains at $2/mo ($19.20/yr).
- Free / Sandbox ($0, 1–2 seats (Evaluation)): Entry free tier with capped usage or feature quotas for initial workflow testing.
- Developer ($20/mo, 1–2 seats): Verified $20/mo Developer tier from vendor pricing schedule.
- Startup ($200/mo, 5 seats): Verified $200/mo Startup tier from vendor pricing schedule.
- Enterprise / Custom (Custom quote, 15–50+ seats (Enterprise SLA)): Sales-negotiated annual contract for custom volume, SSO/RBAC governance, and dedicated SLA.
- Credit & Usage Burn Multiplier: Workflows on AgentMail consume metered credits or usage quotas; high-volume AI generation, batch queries, or recurring automation runs can exhaust base allocations and trigger mid-cycle top-up packs.
- Enterprise Governance & Add-On Gating: Advanced capabilities such as Single Sign-On (SSO), custom role permissions, or specialized analytics modules are gated behind upper tiers or paid add-ons.
Proxis: Custom / enterprise pricing
Proxis structures its commercial model around Monthly and Yearly (20% discount) per-seat tiers across Growth (for early-stage teams), Scale (for fast-moving startups, starting free at $0/seat to begin building), and Enterprise (supporting up to 5 or more active agents with custom security and sales scoping).
- Free / Sandbox ($0, 1–2 seats (Evaluation)): Entry free tier with capped usage or feature quotas for initial workflow testing.
- Enterprise / Custom (Custom quote, 15–50+ seats (Enterprise SLA)): Sales-negotiated annual contract for custom volume, SSO/RBAC governance, and dedicated SLA.
- Annual Billing Headline vs. Monthly Premium: Headline entry rates reflect annual billing commitments (Save 20%); month-to-month flexibility carries a higher effective monthly rate or requires annual prepayment.
- Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
Frequently asked questions: AgentMail vs Proxis
How does AgentMail pricing compare to Proxis in 2026?
AgentMail is listed at Free plan · $20–$200/mo · Enterprise plan (freemium, free plan), whereas Proxis is listed at Custom / enterprise pricing (enterprise / quote, free plan).
How do AgentMail and Proxis compare on AI autonomy and moat depth?
On the MarTechRadar L1–L5 scale, AgentMail is rated L3 · Conditional automation with a Workflow-embedded (strong) moat (3.1/5.0), while Proxis is rated L3 · Conditional automation with a Workflow-embedded moat (2.3/5.0).
Which teams are AgentMail and Proxis built for?
AgentMail is a Cloud SaaS Platform product in Cold Email Sequences & Mailbox Infra designed for B2B Marketing, Growth & Revenue Teams. Proxis is a Web SaaS product in Cold Email Sequences & Mailbox Infra designed for B2B SaaS, Marketing & Growth Teams.
What are the main limitations of AgentMail vs Proxis?
For AgentMail: Operational considerations and platform boundaries include: Primary Operational Trade-Off: In practical enterprise deployments, the primary trade-off is that AgentMail is an API-first infrastructure layer for developers and agent builders rather than a no-code visual newsletter editor with drag-and-drop HTML marketing templates. For Proxis: Operational limitations and technical trade-offs include: Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
What are the hidden TCO drivers and contract negotiation levers for AgentMail vs Proxis?
For AgentMail: Credit & Usage Burn Multiplier (Workflows on AgentMail consume metered credits or usage quotas; high-volume AI generation, batch queries, or recurring automation runs can exhaust base allocations and trigger mid-cycle top-up packs.) Negotiation lever: Validate exact quota thresholds (seats, credits, or API calls) included in AgentMail's Free plan · $20–$200/mo · Enterprise plan tier before converting from monthly to annual billing. For Proxis: Annual Billing Headline vs. Monthly Premium (Headline entry rates reflect annual billing commitments (Save 20%); month-to-month flexibility carries a higher effective monthly rate or requires annual prepayment.) Negotiation lever: Demand a 30- to 60-day paid pilot opt-out clause in the Proxis order form before signing a 12-month enterprise commitment.
Excerpts are quoted verbatim from each fact-checked review. Last updated Oct 26, 2026.