Heard vs Cognition 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

DimensionHeardCognition AI
PricingFreemiumFreemium (paid tiers not listed)
Primary UseVoice interface for coding AI assistantsAutonomous engineering for enterprise teams
Key IntegrationsClaude Code, CodexGitHub, Slack, Windsurf IDE, Jira, Linear, Datadog, Android Emulator, Windows VM
Best ForIndividual developers wanting hands-free interaction with AI assistantsEnterprise teams with large codebases needing end-to-end automation
Not ForSilent offices, text-only preferences, unstable internetSimple tasks, non-technical users, small projects
Latest NewsLaunched iOS ePub reader with on-device TTS (July 2026)Acquirer of The Interaction Company; FedRAMP High In-Process; Fable 5 cheaper than Opus 4.8
Try HeardTry Cognition AI
Heard
Heard

Heard is a macOS voice layer that narrates your Claude Code and Codex sessions out loud and, on Power, lets you talk back.

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Cognition AI
Cognition AI

Cognition builds Devin, an autonomous AI software engineer that plans, codes, tests, and ships merge-ready pull requests inside your

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Pricing
Freemium
Contact Sales
Plans
$0/mo
$12/mo ($144 billed yearly)
$24/mo ($288 billed yearly)
Contact sales
Popularity
6 views
7.3k views
Skill Level
Intermediate
Advanced
API Available
Platforms
DesktopMobile
WebDesktopAPICLI
Categories
💻 Code & Development🎤 Voice Dictation
🛠️ Autonomous Coding Agents
Features
Voice narration of agent progress, questions, blockers, decisions, and test results
First-class local Heard hooks for Claude Code and Codex CLI
Codex app support: jump to threads and reply into the composer
Cloud agents including Grok Bot, Meta Muse, Devin, Manus, ChatGPT, and Claude report via one MCP connector
Cursor, GitHub Copilot CLI, and Gemini CLI show sessions and approvals in Heard (status, not narrated)
Works in any terminal, including Ghostty, Herdr, cmux, iTerm2, and tmux
Open source Apache 2.0 engine with a heard run wrapper for other compatible command-line agents
Local Kokoro voice narration on macOS with no cloud call
Bring your own AI and voice provider keys
Three update lengths for the same event: Quick Summary, concise, or full story
Three listening modes: Co-pilot, Companion, and Focus
Jarvis narration across every session plus spoken recaps on demand
“Hey Parrot” voice conversations about sessions and codebases, read only (Power)
Hold right ⌘ to dictate into any session, double press then tap again to send (Power)
Ambient hands-free mode when you are away from the desk (Power)
Autonomous planning, coding, testing, and pull request creation inside your repo
SWE-2 coding model launched September 10, 2026 with multiple effort levels
SWE-1.7 coding model (July 2026) positioned as frontier intelligence at lower cost
Fusion harness for the Fable and Astra models, shipping in Devin Desktop and CLI
Vendor claim of up to 39% higher efficiency on major coding benchmarks with Fusion
FrontierCode 1.1 benchmark scoring whether code is merge-worthy, not just test-passing
FrontierCode rubrics covering correctness, test quality, scope discipline, style, and codebase standards
Auto-Triage for monitored bugs with automated fix pull requests
Security Vulnerability Remediation Program for clearing backlog findings
Session persistence so long jobs survive restarts instead of starting over
Scheduled Sessions that maintain state across recurring runs
Auto-fixes for review comments on open pull requests
Embedded IDE you can take over, plus an interactive browser Devin drives itself
Devin for Terminal CLI with /handoff to cloud Devin
Native Windows VMs for cross-platform builds and testing
Integrations
Claude Code
Codex CLI
Codex app
Grok Bot
Meta Muse
Devin
Manus
ChatGPT
Claude
Cursor
GitHub Copilot CLI
Gemini CLI
GitHub
Linear
Jira
Slack
Microsoft Teams
GitLab
Bitbucket
Databricks
MongoDB
PagerDuty
Windsurf IDE

What real users say: Heard vs Cognition 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.

Heard

No verifiable community signal. We scanned public discussion on Jul 26, 2026 and found posts matching the name “Heard”, but could not establish that they are about this product rather than something else sharing its name. Rather than publish a score built on the wrong subject, we publish none.

Cognition AI

50 mentions across 3 sources · 43% positive — mixed (averaged across 3 sources)

Hacker News, Bluesky, Lemmy

What users praise

  • • End-to-end autonomous planning, coding, and PR creation for enterprise teams.
  • • FrontierCode evaluation ensures merge-worthy code output.
  • • Auto-Triage automates bug monitoring and fix PRs.
  • • Native Windows VM and Android emulator support for cross-platform testing.

What frustrates them

  • • Community feedback is almost nonexistent — little proof of reliability.
  • • Critics question the $10B valuation given unproven adoption.
  • • Political ties to Peter Thiel may deter some users.
  • • Limited transparency on actual customer success stories.

Researched Jul 16, 2026

Who should pick which

  • Enterprise engineering team leader
    Pick: Cognition AI

    Devin automates multi-step workflows like bug triage, PR creation, and legacy modernization, with native Windows VM and Android emulator support—critical for cross-platform enterprise environments.

  • Freelance developer with repetitive strain injury
    Pick: Heard

    Heard allows hands-free coding via voice prompts and AI readouts, reducing keyboard strain while working with Claude Code or Codex.

  • Security-conscious organization
    Pick: Cognition AI

    Devin Security Swarm automates vulnerability detection and patching, and the platform is FedRAMP High In-Process, suitable for regulated industries.

  • Fast thinker who types slowly
    Pick: Heard

    Heard bridges the gap between thought speed and typing speed by enabling voice input for coding prompts, accelerating ideation-to-code.

  • Startup needing autonomous coding
    Pick: Cognition AI

    Devin handles end-to-end tasks like testing, deployment, and PRs—ideal for small teams that need to maximize output without hiring more engineers.

Frequently Asked Questions

Can Heard execute code changes autonomously?

No, Heard is a voice interface that sends spoken prompts to Claude Code or Codex. It does not autonomously plan or execute code changes; it relies on the underlying AI assistant to perform actions.

Does Cognition AI require a specific IDE?

Devin integrates with Windsurf IDE (via Devin Desktop) but also supports GitHub, Slack, Jira, and other tools. It can work alongside VS Code through integrations, but its native workspace is the Devin environment.

Is Heard useful in noisy environments?

Heard supports multi-language accent recognition and low-latency audio processing, but background noise may affect transcription accuracy. It's best suited for quiet or voice-enabled spaces.

Can I use Devin without an enterprise plan?

Devin offers a freemium tier, so individuals can start for free. However, advanced features like Security Swarm, Fusion architecture, and the $10M productivity guarantee likely require a paid plan.

Does Cognition AI support mobile app development?

Yes, Devin includes an Android emulator integration for testing mobile apps, and it also supports Windows VM for building and testing. This makes it suitable for cross-platform projects.

Are both tools available as desktop apps?

Cognition AI's Devin Desktop (Windsurf IDE + Devin Cloud + Agent Command Center) is available. Heard appears to be a voice interface overlay, not a standalone desktop app; likely a browser extension or system-level tool.

Which tool has a money-back guarantee?

Cognition AI offers an AI Productivity Guarantee (up to $10M) for enterprise customers. Heard does not mention any similar guarantee in the provided data.

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Explore each tool further

Heard
View Heard reviewHeard alternatives
Cognition AI
View Cognition AI reviewCognition AI alternatives

Browse these categories

Best AI Code & Development toolsBest AI Autonomous Coding Agents toolsBest AI Voice Dictation tools
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Last reviewed: July 26, 2026