Ox Alpha vs RetroFill

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 RetroFill
Detail	Ox Alpha	RetroFill
What it does	Free stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter	Fill your GitHub contribution graph with real, backdated commits
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	CA
Pricing model	Free	Freemium
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: preview and first fill up to 7 days and 20 commits. Coffee: $5 USD one-time for one 365-day window. Time Machine: $12 USD one-time for every year since you joined. Autopilot: $3.99 USD per month or $29 USD per year for streak insurance with automatic commits on missed days.
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	Live preview on your real graph with no sign-in required Realism engine with six personas and seeded rerolls Manual painting with brushes 1–4 Gap-only mode to respect existing contributions Text and pixel art mode on Time Machine and Autopilot One-click undo that deletes the generated repository Private repository support on Time Machine and Autopilot Contribution Doctor preflight checks Autopilot streak insurance with configurable commit frequency Multi-repo spread up to three repositories on Time Machine and Autopilot
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	Real, inspectable commits with no hidden activity Realistic patterns based on developer behavior modeling Preview before payment on your real GitHub graph Complete undo in one click with automatic account restoration Timezone-aware commits with proper timestamp handling
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)	Not checked yet −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	17	13
Referring domains (Majestic)	11	1

5 details filled in for both companies.

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