PromptSpend vs ContextStream

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 ContextStream
Detail	PromptSpend	ContextStream
What it does	LLM API cost calculator and comparison tool	Shared project context for AI coding agents
Stage	Not given	Startup
Founded	Not given	2024
Based in	Not given	Not given
Pricing model	Open source	Freemium
Pricing	Free	Starter: Free with 10,000 credits every month, 1 user, up to 15 projects. Pro: $19/month with 25,000 credits every month, 1 user, unlimited projects. Elite: $49/month with 100,000 credits every month, 1 user, unlimited projects. Team: $79/user/month with 200,000 credits per seat pooled, 3+ users, $2
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	Hosted code search with indexing and dependency graphs Save and retrieve project decisions with reasoning Record lessons from past work to guide future tasks Plans, runbooks, and handoffs for agent coordination MCP integration with Cursor, Claude Code, Codex, Grok Change impact analysis and code health metrics Team collaboration with shared workspaces Privacy controls and access permissions ContextCode CLI and VS Code extension Knowledge Atlas to explore code and project connections
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	Switch agents without re-explaining the project Decisions and lessons carry over across sessions and tools Full-featured free plan with 10,000 monthly credits High code recall (99.38%) and memory accuracy (91.4%) Evidence-based answers with source attribution
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	7 no change since last check	29 no change since last check
Trust Flow (Majestic)	3	5
Citation Flow (Majestic)	19	36
Referring domains (Majestic)	48	109

5 details filled in for both companies.

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