Sub-300ms Duplex Screen Intelligence

Your screen's real-time AI companion,
built for thought speed.

Heysen lives right beside your cursor on Windows and macOS. Hold your hotkey and speak out loud—Heysen sees your workspace context, answers in sub-300 milliseconds, and points directly with bezier arcs.

✓ DirectComposition / DirectX 12 Overlay ✓ Push-to-Talk: Ctrl + Alt + Space ✓ Zero Continuous Video Recording
heysen-companion :: active on display 1
v1.0.0
Interactive Coordinate Grounding HOTKEY: CTRL+ALT+SPACE
H
1. [Deploy to Cloudflare]
2. [Fix Type Error :42]
3. [Razorpay Checkout]
Hover or click elements to watch Heysen's quadratic bezier arc fly to coordinates. 60 FPS SMOOTH
In-Browser Voice Preview

Listen to Deepgram Aura's natural voice speech stream before installing.

LATENCY
280ms
Architectural Excellence

Engineered for thought-speed interaction.

Standard assistants make you wait 4 to 6 seconds while they serialize screenshots and audio. Heysen streams both in parallel at edge speeds.

⚡ 13.5x Faster Duplex Audio Streaming

Traditional AI screen tools serialize requests: capture screen → upload heavy video → wait for cloud STT → slow LLM → serial TTS. Heysen pipelines audio and frame perception in parallel over WebSockets.

Traditional Serial Companions3,850 ms
Standard Cloud REST APIs1,920 ms
⚡ Heysen DirectComposition + Aura280 ms
🛡️ Ephemeral RAM Memory

Heysen never runs continuous background video recording or keyloggers. A single screen frame is captured in local memory only when you hold Ctrl+Alt+Space and evaporates immediately after coordinate extraction.

✓ 0% CPU background idle
✓ Zero persistent video files
✓ Direct hardware capture (DirectX / SCKit)
✓ BYOK & local Ollama support
🧠 The 6-Model Dynamic Task Router

Instead of forcing a single heavy model to do everything slowly, Heysen automatically dispatches your queries to specialized zero-cost models based on task intent.

👁️ Nemotron 3.5-VL~450ms
Visual grounding & UI coordinates
⚡ Nemotron Lightning~180ms
Instant conversational dialogue
💻 Cohere North Code~320ms
Syntax repair & terminal scripts
📝 Dots Note Preview~390ms
PDF digestion & window digests
🧭 Xingchen 29B Agent~650ms
Multi-step autonomous planning
🎯 Respan Span-01~140ms
Sub-150ms micro status validations
Fair, Transparent Pricing

Pick the plan that fits your flow.

No hidden lock-ins. Powered by Razorpay with instant UPI, Netbanking, Cards, and global payment support.

Free

Curious builders, hobbyists, and weekend testers.

$0 / month
Free forever • no card required
  • 25 talk messages a month
  • Full dictation support
  • 25 agent messages a month
  • Community Discord
Start Free
Student
Student

Accessible intelligence for learners, researchers & coders.

$3.99 / month
approx. ₹299 / month via UPI
  • Unlimited voice talk & dictation
  • 75 agent messages a month
  • Screen vision & PDF note helper
  • Student Discord role
Max

Power users and heavy autonomous workflow runners.

$80.00 / month
approx. ₹6,499 / month via UPI
  • Unlimited voice talk & dictation
  • 1,200 agent messages a month
  • Parallel multi-window agents
  • VIP Priority support
Clear Answers

Frequently Asked Questions

How does Heysen see my screen? Does it record video? +
No video is ever recorded or uploaded. Heysen captures an ephemeral frame in your local RAM only when you press down the global push-to-talk hotkey (Ctrl+Alt+Space on Windows, Ctrl+Option+Space on macOS). Once the coordinates and response are generated, the buffer is purged.
Why is Heysen so much faster than other AI assistants? +
Traditional tools use serial requests (Record → Cloud STT → Monolithic LLM → Cloud TTS), causing 4 to 6 seconds of lag. Heysen uses direct duplex streaming powered by Deepgram Aura TTS and intelligent model task routing, generating spoken responses in under 300 milliseconds.
What payment methods are supported? +
Through Razorpay, we natively support all Indian UPI apps (Google Pay, PhonePe, Paytm, BHIM), Netbanking across all major banks, RuPay, Visa, Mastercard, and International Credit/Debit cards.
Can I bring my own API keys (BYOK)? +
Yes! Heysen Desktop includes a BYOK panel where you can plug in your own OpenRouter, Anthropic, Gemini, or local Ollama endpoint for completely free, private local execution.