Free stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter
Cryptographically verified repository authorship and timestamping for legal and audit evidence
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
US
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
Community: Free. Pro Solo: $79 one-time (perpetual v1.x license) or $29/mo, $290/yr subscription. Team & Agency: $99/mo or $990/yr (up to 10 seats).
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
RFC 3161 notarization from DigiCert and Sectigo time stamp authorities
Merkle DAG provenance with SHA-256 tree hashing
FRE 902 self-authenticating PDF certificate generation
100% offline verification with open-source verifier
Automated Git hooks for pre-push cryptographic sealing
CLI and native Git plugin integration
CI/CD workflow automation for repository sealing
Dynamic SVG authorship badges for README files
Corporate entity binding and custom LLC configuration
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
Cryptographic evidence under U.S. Federal Rules of Evidence 902 and 28 U.S.C. § 1746
Human authorship defense for copyright and M&A intellectual property verification
Fully offline and open-source verification with zero external dependencies
Enterprise-grade legal compliance for litigation and M&A due diligence
Ox Alpha