Shortwave: AI Email Assistant for Gmail & Google Workspace
Shortwave is the smartest AI email client. Organize, write, search, and automate your Gmail inbox with natural language. Free tier available. Pro at $14/mo.
Shortwave is an AI email assistant available as a web app and native client for iOS, Android, Mac, and Windows. It works exclusively with Gmail and Google Workspace, offering smart inbox organization through AI bundles, personalized email writing through Ghostwriter, advanced semantic search with multi-step reasoning, team collaboration with shared threads, and workflow automation through integrations with Slack, Notion, Asana, and HubSpot. Free tier includes basic AI features; Pro tier at $14/month adds advanced AI capabilities and 3-year search history.
Pricing
Free tier includes basic AI features and 90-day email history. Personal plan $7-8.50/mo (gmail.com/.edu only). Pro $14/mo with 3 accounts, full AI features, 3-year history. Business $24/mo with 10 accounts, read receipts, advanced filters, 5-year history. Premier $36/mo with unlimited history, double AI usage, premium support. Max $100/mo with expert intelligence, triple context tokens, 150 thread limits, 50 filters. Annual billing discounts available. Enterprise pricing custom.
Frequently Asked Questions
Is Shortwave free to use?
Yes, Shortwave has a free tier that includes basic AI features, 90 days of searchable email history, and access to most productivity features. However, the free plan includes a mandatory 'Sent with Shortwave' signature on outgoing emails. Paid plans (Personal $7/mo through Max $100/mo) remove this signature and unlock advanced AI, longer email history, and team collaboration features.
Does Shortwave work with Outlook or non-Gmail accounts?
No, Shortwave works exclusively with Gmail and Google Workspace. It does not support Outlook, Yahoo Mail, iCloud, or other IMAP providers. As of 2026, Outlook support is still in testing and not yet live.
What is Ghostwriter and how does it work?
Ghostwriter is Shortwave's AI writing assistant that learns your personal communication style by analyzing your sent emails. It then generates reply suggestions and new emails that sound authentically like you—matching your tone, word choice, signature phrases, and formality level. Unlike generic AI writing, Ghostwriter produces emails recipients genuinely believe you wrote yourself.
Can Shortwave integrate with Salesforce or other CRM tools?
Shortwave has limited native CRM integration. HubSpot can be connected via AI integrations and MCP servers. Salesforce integration is not natively available but may be possible through custom MCP servers. For deep Salesforce integration, Superhuman is a better alternative.
What AI models does Shortwave use?
Shortwave uses a combination of models: Pro and Business tiers use GPT-4 Turbo (OpenAI) and Claude 3.5 Sonnet (Anthropic). Premier tier uses Claude 4.5 Sonnet with extended reasoning. Max tier uses Claude 4.1 Opus with extended reasoning. All models support multi-step reasoning, tool calling, and real-time web browsing.
Is Shortwave secure and compliant?
Yes, Shortwave meets CASA Tier 2 compliance (Google's Cloud Application Security Assessment), maintains SOC 2 Type II certification (available via commercial contact), and is GDPR aligned. Data is encrypted in transit (TLS 1.2+) and at rest (AES256). However, email processing happens on third-party cloud servers, which may concern highly regulated organizations.
How much does Shortwave cost for teams?
Shortwave pricing scales per seat per month: Pro $14 (3 accounts), Business $24 (10 accounts), Premier $36 (unlimited accounts), Max $100 (unlimited + expert features). Annual billing provides 10-15% discounts. Enterprise pricing is custom. All paid plans include team collaboration features like shared threads and task assignment.