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PromptSpend vs CodeHerd

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

PromptSpend compared with CodeHerd
DetailPromptSpend logo PromptSpendCodeHerd logo CodeHerd
What it doesLLM API cost calculator and comparison tool Run your AI coding agents side by side
StageNot given Not given
FoundedNot given Not given
Based inNot given GB
Pricing modelOpen source Freemium
PricingFree Free: up to 3 sessions, unlimited projects, Claude Code, Codex CLI, Gemini CLI, OpenCode, Muse Code and custom commands, draggable panes, git worktrees, in-app browser, notifications. Pro: £10/month or £96/year (save £20%), includes everything in Free plus unlimited sessions, Herd HQ, voice dictatio
Key features
  • Estimate LLM API costs for 109 models
  • Compare pricing across 16 providers
  • Paste prompt and see cost comparison
  • Free tier information for each model
  • Optional email price alerts
  • Data processed on device, not transmitted
  • Available as native iPhone and Android apps
  • Pricing API available
  • VS Code extension
  • Run multiple CLI agents in parallel panes side by side
  • Git worktree support with automatic branch management per agent
  • Keyboard-first interface with customizable layouts
  • Voice dictation transcribed on your Mac
  • Page annotation and attachment to prompts
  • iOS Simulator integration
  • Automatic layout and session restoration on relaunch
What makes it different
  • Pricing automatically re-checked every morning against tracked sources
  • Completely free with no accounts or ads required
  • Pasted text stays on your device and is never transmitted
  • Open source MIT licensed codebase
  • Covers 109 models from 16 providers in a single comparison
  • Bring your own subscriptions with no API keys or credentials stored
  • No accounts, no telemetry, no cloud required
  • Works offline for 7 days after last licence check
  • One Pro licence works on up to 3 Macs simultaneously
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)7 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)190
Referring domains (Majestic)480

5 details filled in for both companies.

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