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DocFit vs eryx

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

DocFit compared with eryx
DetailDocFit logo DocFiteryx logo eryx
What it doesYour docs, updated the moment code merges. WebAssembly sandbox for running untrusted Python safely
StageMVP Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Open source
PricingFree: for public repos (unlimited). Team: $49/month with 200 credits/month. Growth: $149/month with 700 credits/month. Docs PRs use 1–4 credits depending on quality preset (Fast ~1, Balanced ~2, Best ~4); 2 credits with own model key. Credit packs: 100 credits $29, 400 credits $99 (one-time, never e Not given
Key features
  • Reads merged PRs and linked tickets to understand changes
  • Identifies affected documentation pages with reasons
  • Makes minimal targeted edits to documentation
  • Runs build, lint, link checks and OpenAPI validation
  • Opens pull requests for team review and merge
  • Automatic code sample generation and validation
  • Integrates with Jira, GitHub Issues and Slack
  • Configurable quality presets (Fast, Balanced, Best)
  • Dry-run backfill of last 5 merges without charges
  • Nightly drift scan to detect outdated documentation
  • Full CPython 3.14 with standard library
  • Async callbacks from sandboxed code
  • No filesystem or network unless allowed
  • Fast startup in 1–5 milliseconds
  • Embed from Python, JavaScript or Rust
  • MCP server support
  • gRPC server deployment
  • Hosted execution over HTTP and WebSocket
What makes it different
  • Deterministic signals first, not just AI guessing at semantic similarity
  • Your team reviews every change; DocFit never merges directly
  • Usage-based pricing with no per-seat fees
  • Works with your existing docs platform and GitHub workflow
  • Comprehensive verification before PR creation
  • Full CPython 3.14 running in WebAssembly
  • Async callbacks between sandbox and host
  • Extremely fast sandbox startup
  • Works as MCP server for AI agents
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 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)06
Referring domains (Majestic)02

4 details filled in for both companies.

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