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Ox Alpha vs Spacemail for Claude

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

Ox Alpha compared with Spacemail for Claude
DetailOx Alpha logo Ox AlphaSpacemail for Claude logo Spacemail for Claude
What it doesFree stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter Free MCP connector for Claude to access Spacemail email
StageNot given Not given
FoundedNot given Not given
Based inNot given GB
Pricing modelFree Open source
Pricing$0 per million input tokens, $0 per million output tokens during preview; TryOXAlpha hosted chat offers 5 free guest replies, 15 additional replies after account creation, and 100 AI replies for $4.99 one-time purchase Free
Key features
  • 1,048,576-token context window
  • Multimodal inputs: text, image, and video
  • Tool calling and structured outputs
  • Configurable reasoning efforts: low, high, and max
  • OpenAI-compatible API endpoint
  • Supported through OpenRouter model ID stealth/ox-alpha
  • 131,072 output tokens maximum
  • Check new mail across all mailboxes with message previews
  • Search emails by sender, subject, words or date
  • Read full email messages with attachment names
  • Draft threaded replies and new emails saved to Drafts
  • Mark messages as read or unread and flag important ones
  • Archive, move or delete messages to Trash
  • Works with Claude Desktop, Claude Code, Cursor and Windsurf
  • Support for up to three mailboxes
  • Drafts saved for manual review before sending
  • Data stays on your computer, not collected by Norwich Website Design
What makes it different
  • 1M token context window for repository-scale coding tasks
  • Multimodal support combining code with screenshots and diagrams
  • Free preview pricing during stealth release
  • Tool calling and structured output for agentic workflows
  • Free and open-source under MIT licence
  • Email content marked as untrusted to prevent phishing attacks
  • Deleted messages go to Trash, not permanently deleted
  • Independent project not affiliated with Spaceship or Spacemail
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)Not checked yet −1 (down) since last check44 −1 (down) since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)174
Referring domains (Majestic)113

5 details filled in for both companies.

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