Kerna's IntelligencePowered by OpenAI.
Designed explicitly for Gmail. Kerna integrates GPT-4 & GPT-5 reasoning directly into your Google Workspace for 45-language translation and structured workflow automation.
Built for privacy. Engineered for speed.
We never train models on your data. Kerna operates strictly within Google's secure environment.
Kerna's Architecture. Powered by OpenAI.
Precision-engineered for Gmail. We bring the world's most advanced AI models into your daily email environment.
Executive Summaries
Don't read the whole thread. Kerna reads the last 50 emails in a conversation and generates a structured executive brief with key points and action items.
- Bullet-point briefs
- Action item extraction
- Thread history analysis
Context-Aware Replies
Draft responses that actually make sense. Kerna understands the context of previous messages to suggest replies that are relevant, polite, and professional.
- One-click drafting
- Matches your tone
- References prior details
Native-Level Translation
Break language barriers securely. Translate incoming emails from 45 languages instantly, or draft a reply in English and send it in perfect Spanish, French, or Japanese.
- 45 Languages
- Bidirectional translation
- Business-grade accuracy
Structured Drafting
Turn a few keywords into a full professional email. Just type 'meeting next tuesday about budget' and watch Kerna expand it into a polite, formatted request.
- Keyword expansion
- Formal & Casual modes
- Perfect grammar
Smart Extraction
Never miss a deadline. Automatically detect and extract dates, meeting times, and specific tasks from long, messy email threads.
- Calendar sync ready
- Deadline detection
- Task listing
Tone & Polish
Ensure every email is perfect. Rewrite your rough drafts to sound more confident, more empathetic, or more concise before you hit send.
- Grammar correction
- Tone adjustment
- Clarity improvements
Your workflow, uninterrupted.
Stop switching tabs. Kerna lives natively inside your Gmail sidebar, eliminating the need to copy-paste sensitive data into external AI tools.
1. Secure Analysis
Open any email. Kerna analyzes the conversation history via strictly encrypted TLS channels to understand intent, tone, and key details.
2. Generative Reasoning
Select a quick action (like 'Polite Decline') or type a custom instruction. Our GPT-5 engine drafts a full response in seconds.
3. Native Handoff
Review the draft and insert it directly into your Gmail compose window with one click. You retain full control before hitting send.
Simple, transparent pricing.
Choose the level of intelligence you need. Upgrade or cancel anytime.
Starter
Test the connection. Limited capacity for new users.
- 15,000 Tokens (Trial Volume)
- GPT-4
- Basic Reply Functionality
- Single User License
Standard
Essential AI for daily productivity.
- 100,000 Tokens (Standard Usage)
- GPT-5
- Basic Summaries & Translation
- Single User Only
Pro
Advanced tools for high-volume professionals.
- 500,000 Tokens (Power Usage)
- Advanced Improvement
- Perfect Native-Level Writing
- Single User Only
Business
Collaborate and scale with your team.
- 2,000,000 Tokens (~Shared Pool)
- Includes 5 Team Seats
- Shared Prompts & Billing
- No Wasted Credits
Enterprise
Custom token limits and dedicated team capacity. Includes all Business features plus priority support and dedicated account management.
Ready to upgrade your workflow?
Stop switching tabs. Experience the power of GPT-5 with zero content retention. Join professionals who save 10+ hours a week.