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PromptSpend vs Voidleap Code

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 Voidleap Code
DetailPromptSpend logo PromptSpendVoidleap Code logo Voidleap Code
What it doesLLM API cost calculator and comparison tool A desktop IDE for building software with AI agents, built for professional developers and AI engineers
StageNot given Not given
FoundedNot given Not given
Based inNot given SE
Pricing modelOpen source Freemium
PricingFree Free tier with 3 workspaces and 5 projects each, 1 profile for credentials, 7-day dashboard history. Pro at €20/month with unlimited workspaces and projects, one server install, and ticket support. Team at €50/month with unlimited server installs and real-time collaboration for up to 50 seats. Enter
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
  • Multi-provider model support with per-thread, per-agent, and per-turn switching
  • Visual context editing with ability to remove messages, tool calls, or files
  • Per-turn token count, cost, latency, and cache-hit telemetry
  • User-editable agents, skills, hooks, and system prompts at global, workspace, and project scope
  • Four execution modes with AST-parsed shell commands and sensitive-path blocking
  • Local code index with symbol and reference navigation
  • Parallel threads and worker threads in one view with thread forking
  • Built-in browser with page annotation for agents
  • Full custom grid layout for multiple agents
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
  • Purpose-built agentic IDE from scratch rather than a fork or wrapper
  • Complete transparency and control over agent execution with editable context
  • Local-first architecture where code and prompts never pass through Voidleap servers
  • Professional-grade observability with 30+ charts for cost, tokens, latency, and cache tracking
  • Seamless multi-provider mixing allowing provider swaps mid-thread within one task
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)8 +1 (up) since last check4 no change since last check
Trust Flow (Majestic)39
Citation Flow (Majestic)1926
Referring domains (Majestic)4853

5 details filled in for both companies.

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