Shortwave vs Vapi: 2026 comparison
AI email client — natural-language search, summary, scheduled send, and AI-drafted replies grounded in your inbox.
Shortwave vs Vapi — specs
| Spec | Shortwave | Vapi |
|---|---|---|
| Agent Rank | 72 / 100 (A) | 68 / 100 (B) |
| Autonomy | Assistant | Autonomous |
| Pricing | Freemium · from $9 | Pay per task · Free tier |
| Open source | No | No |
| Capabilities | RAG, Memory, Tool use | Voice, Tool use, Memory |
| Integrations | 3 apps | 2 apps |
| Verified | Verified | Verified |
| Released | Feb 2025 | Feb 2025 |
Agent Rank breakdown
- Autonomy fit
- 7
- Capabilities
- 6
- Integrations
- 6
- Pricing value
- 8
- Polish & maturity
- 6
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 9
- Capabilities
- 6
- Integrations
- 2
- Pricing value
- 9
- Polish & maturity
- 5
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +Best AI-native email client in 2026 — search, summarize, draft all natural-language
- +Built specifically for Gmail; faster + smarter than Gmail itself
- +Cheap relative to Superhuman with better AI features
- −Gmail-only — no Outlook support
- −AI assistant is helpful but not yet revolutionary
- −Smaller user base means fewer integrations than Gmail/Outlook ecosystems
- +Most developer-friendly voice agent in 2026 — SDK-first, well documented
- +BYO model gives full cost + behavior control
- +Pay-as-you-go makes prototyping nearly free
- −You build the conversation logic — not a turnkey product
- −Voice quality depends heavily on which provider you wire in
- −Less polished than Parloa for contact-center deployments
Pricing
- +Basic AI summary
- +90-day search
- +Unlimited search
- +AI assistant
- +Scheduled send
- +Shared inboxes
- +Send delegation
- +Admin controls
- +$0.05/min base
- +BYO LLM provider
- +Full SDK + dashboard
- +Volume discounts
- +Dedicated infra option
- +SLA + support
Which one should you pick?
Pick Shortwave if its specific capabilities (RAG, Memory) match what you need.
Try Shortwave →Pick Vapi if cost is the main constraint or if you want the highest autonomy and the verification loop is in place.
Try Vapi →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Shortwave or Vapi in 2026?+
Pick Shortwave if its specific capabilities (RAG, Memory) match what you need. Pick Vapi if cost is the main constraint or if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Shortwave for primary work and Vapi for the workflows where its specific strengths matter.
What's the price difference between Shortwave and Vapi?+
Shortwave starts at Freemium · from $9; Vapi starts at Pay per task · Free tier. Vapi is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Shortwave or Vapi?+
Vapi is the more autonomous of the two (Autonomous vs Assistant). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.