Skip to main content

Grist vs Heard

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Grist compared with Heard
Detail GristHeard logo Heard
What it doesA complete coding-agent harness The voice layer for coding agents
StageMVP Not given
FoundedNot given Not given
Based inNot given US
Pricing modelNot given Freemium
PricingFree to use with bring-your-own-key for inference. Inference runs on your own provider key (OpenRouter, Vercel AI Gateway, or any OpenAI-compatible endpoint) at provider rates with zero markup from Grist. Free: $0/month (open source with local voices). Pro: $12/month or $144/year (managed voices and spoken recaps). Power: $24/month or $288/year (adds voice input and iPhone companion). Every download includes a free 14-day Power trial with no card required.
Key features
  • Confidence-gated model routing
  • Institutional memory
  • Local code execution
  • SoL-Pi token compression
  • Multi-rung cost routing
  • Codebase learning
  • Specialist subagents
  • OpenCode v2 plugin
  • Spoken updates from Claude Code and Codex
  • Three listening modes: Co-pilot, Companion and Focus
  • Spoken recaps of agent work
  • Voice dictation with right Command key
  • Hey Parrot voice assistant
  • iPhone companion app for listening and replying
  • Follow multiple agent sessions at once
  • Open source engine with local voices
  • Works with any terminal including iTerm2 and tmux
  • Up to 2M characters of narration daily on Power plan
What makes it different
  • Spend only on task difficulty, not habit
  • Code never leaves your machine
  • Zero markup on inference costs
  • Works without watching your screen—lets you stay informed while focused on other tasks
  • All code and transcripts stay on your Mac; nothing is used to train models
  • Listen and respond to agents from your iPhone via companion app
  • Open source engine available under Apache 2.0 license
  • Supports multiple coding agents with one interface
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)3 +3 (up) since last check6 −1 (down) since last check
Trust Flow (Majestic)03
Citation Flow (Majestic)2130
Referring domains (Majestic)59101

4 details filled in for both companies.

More alternatives to Grist More alternatives to Heard

Help centre