Blurt vs Retell AI

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-10-17
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At a glance

DimensionBlurtRetell AI
PricingFreeFreemium
PlatformGNOME (Linux)Cloud-based, multi-platform
Core FeatureOffline dictation into any text fieldAI voice agents for phone call automation
Latency / PerformanceDepends on local model & hardware~600ms conversational latency
IntegrationsGNOME Shell, wsi scriptTwilio, Vonage, HubSpot, Salesforce, etc.
PrivacyFully offline, no internet requiredCloud-based, data processed via API

Blurt and Retell AI serve completely different needs—Blurt is a free, offline dictation tool for Linux GNOME users, whereas Retell AI is a paid, cloud-based platform for automating phone call conversations. If you need privacy-focused hands-free typing on Linux, choose Blurt; if you need scalable inbound/outbound voice agents with low latency and CRM integrations, choose Retell AI.

Try BlurtTry Retell AI
Blurt
Blurt

Blurt adds offline speech-to-text dictation to any GNOME window using whisper.cpp, powered by local recognition.

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Retell AI
Retell AI

Retell AI is a pay-as-you-go platform for AI voice agents that answer, qualify, and route real phone calls from $0.07/min.

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Pricing
Free
Freemium
Plans
$0
$0/mo + usage ($0.07-$0.31/min voice; $0.002+/msg chat)
Custom
Popularity
3 views
6.9k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
Plugin
WebAPI
Categories
🎤 Voice Dictation
☎️ Voice AI Agents & Phone Automation
Features
Offline speech-to-text dictation powered by whisper.cpp
Dictate into any GNOME window with a text input field
Trigger dictation with the middle mouse button
Trigger dictation with CTRL+V
Multilingual speech recognition
Audio processed locally with no internet connection required
Swappable whisper.cpp model sizes for speed/accuracy tradeoff
Lightweight C++ transcription backend
GNOME Shell extension installable from extensions.gnome.org
Active version 8 supports GNOME Shell 46, 47 and 48
Legacy builds cover GNOME Shell 42 through 45
Free and open-source, hosted on GitHub
No account, cloud dependency, or telemetry
Companion tool BlahST works across all desktop environments
AI voice agents on phone, chat and SMS from a single platform
Proprietary turn-taking model with ~600ms conversational latency
Drag-and-drop call flow canvas with functions, transfers, DTMF and SMS
Retell Workflows: orchestration before and after the call, with tool store
Conductor copilot: scenario simulation and auto-generated regression tests
Batch outbound campaigns with pacing, retries and voicemail handling
IVR navigation that detects menus, presses digits and enters extensions
Agentic human handoff that briefs the rep and confirms readiness
Live call monitoring with real-time transcripts and instant take-over
AI Quality Assurance scoring on up to 100% of calls
Custom analytics dashboards with A/B comparison across agent versions
Post-call extraction with success and sentiment scoring
Model-agnostic LLM tiers from GPT and Claude families, plus custom LLM
TTS choice across Retell, ElevenLabs, Cartesia, Minimax, Fish, OpenAI, Inworld
APIs and SDKs for programmatic agent and campaign control
Integrations
Twilio
Vonage
Telnyx
GoHighLevel
n8n
Make
Zapier
HubSpot
Salesforce
Slack
Google Drive
Zendesk
Cal.com
Calendly
Dynamics 365

What real users say: Blurt vs Retell AI

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Blurt

104 mentions across 6 sources · 22% positive — critical (averaged across 6 sources)

Hacker News, Product Hunt, App Store, Bluesky, GitHub, Lemmy

What users praise

  • • Offline speech-to-text with no internet required, ensuring privacy.
  • • Works in any GNOME text field via middle-click or shortcut.
  • • Lightweight C++ backend (whisper.cpp) keeps resource usage low.
  • • Multilingual recognition thanks to Whisper model swapping.

What frustrates them

  • • Setup requires manual installation of external wsi script.
  • • Compatibility often broken on new GNOME Shell versions.
  • • Error messages are cryptic and logging is poorly documented.
  • • No built-in model downloader—users must source models themselves.

Researched Jul 4, 2026

Retell AI

36 mentions across 3 sources · 75% positive (averaged across 3 sources)

Hacker News, Product Hunt, Lemmy

What users praise

  • • Sub-second (~600ms) latency delivered as promised.
  • • Handles interruptions naturally — a missing feature in competitors.
  • • Sounded most natural among voice AI products tested by reviewer.
  • • Handles different accents and background noise effectively.

What frustrates them

  • • Lack of long-term user reviews; feedback is launch-day heavy.
  • • No community discussion on pricing pain points yet.
  • • Proprietary platform; no self-hosted option for full control.
  • • No critical voices in data; hidden issues unknown.

Researched Aug 18, 2026

Who should pick which

  • Privacy-conscious professional on Linux
    Pick: Blurt

    Blurt works completely offline, ensuring no data leaves the machine, which is ideal for handling sensitive information.

  • Large support team automating inbound calls
    Pick: Retell AI

    Retell AI offers drag-and-drop call flow design, call transfer, live monitoring, and CRM integrations (HubSpot, Salesforce) for high-volume customer support.

  • Developer wanting open-source speech input
    Pick: Blurt

    Blurt is free and open-source, customizable with different whisper.cpp models, and integrates into GNOME text fields.

  • Sales team running outbound batch dialing
    Pick: Retell AI

    Retell AI supports outbound batch dialing, real-time function calling for lead qualification, and branded caller ID.

Frequently Asked Questions

Blurt vs Retell AI: which should you choose?

Blurt and Retell AI serve completely different needs—Blurt is a free, offline dictation tool for Linux GNOME users, whereas Retell AI is a paid, cloud-based platform for automating phone call conversations. If you need privacy-focused hands-free typing on Linux, choose Blurt; if you need scalable inbound/outbound voice agents with low latency and CRM integrations, choose Retell AI.

Can Blurt be used on other desktop environments besides GNOME?

Blurt is built for GNOME Shell (versions 42-48). It may not work on other desktop environments without modification.

Does Retell AI require coding to set up?

Retell AI offers a drag-and-drop call flow designer, so non-technical users can build agents, but some configuration (e.g., API keys for integrations) may need technical assistance.

Is Blurt's speech recognition accurate?

Blurt uses whisper.cpp models (like OpenAI's Whisper), which provide good accuracy, but quality depends on model size and local hardware.

What integrations does Retell AI support?

Retell AI integrates with Twilio, Vonage, GoHighLevel, n8n, HubSpot, Make, Slack, Zapier, Salesforce, and Zendesk.

Can Blurt work without internet?

Yes, Blurt is fully offline; no internet connection is required after installing the whisper.cpp model.

Does Retell AI offer a free tier?

Retell AI is freemium, but specific free tier limits are not detailed in the provided data.

Which tool is better for dictating notes on Linux?

Blurt is designed specifically for dictation into any GNOME text field, making it ideal for note-taking on Linux.

Can Retell AI handle sensitive data like healthcare records?

Retell AI serves healthcare providers, but it is cloud-based; for strict on-premise requirements, Blurt's offline approach is more suitable.

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Explore each tool further

Blurt
View Blurt reviewBlurt alternatives
Retell AI
View Retell AI reviewRetell AI alternatives

Browse these categories

Best AI Voice Dictation toolsBest AI Voice AI Agents & Phone Automation tools
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Last reviewed: July 4, 2026