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QECTOR is not positioned as the universal fastest MWPM decoder. PyMatching remains the reference for exact MWPM latency on standard surface-code workloads. Commercial value derives from integrated multi-decoder experimentation, LDPC/qLDPC coverage, reproducible artifact workflows, and clear licensing for revenue-linked or institutional use.
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QECTOR should not be sold as the universal fastest MWPM decoder. PyMatching
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remains the latency leader for exact MWPM on the tested workloads. QECTOR's
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commercial value must come from broader workflow packaging, differentiated R&D
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use cases, reproducible artifacts, and selected accuracy-mode gains.
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## Why License QECTOR When PyMatching and Stim Are Free?
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## Why pay when PyMatching and Stim are free?
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PyMatching and Stim provide excellent free baselines. QECTOR is the appropriate commercial choice when a team requires:
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PyMatching and Stim are excellent free baselines. A buyer should not license
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QECTOR only to get exact-MWPM surface-code latency.
| Multi-decoder experimentation | Union-Find, Blossom, Sparse Blossom, BP-OSD, batch, streaming, and hybrid workflows in a single source-available platform |
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| LDPC / qLDPC coverage | BP-OSD and LDPC workflows beyond standard graph-like MWPM |
| Commercial permission | Written license terms for company, lab, funded, product, hosted, or revenue-generating use |
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| Rapid proof of workflow value | Productized Validation Sprints that deliver customer-specific, reproducible results within weeks |
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QECTOR is a paid commercial option when a team needs:
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The commercial pitch centers on workflow velocity, reproducible proof, legal clarity, and decoder breadth. QECTOR is not offered as a universal replacement for PyMatching on pure latency.
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| Need | QECTOR value |
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|---|---|
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| Multi-decoder experiments | Union-Find, Blossom, Sparse Blossom, BP-OSD, streaming, batch, and hybrid workflows in one source-available platform |
| Commercial permission | Written license terms for company, lab, funded, product, hosted, or revenue-linked use |
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| Support path | Paid support, validation package, and advisory options for commercial R&D users |
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## Public Pricing Tiers
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The correct commercial pitch is workflow/time-saving value, reproducible proof,
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legal clarity, and decoder breadth. Do not pitch QECTOR as a universal PyMatching
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replacement.
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All tiers below grant internal commercial use rights under the terms of a written license agreement. Self-serve purchasing is available for qualifying tiers via the official licensing portal.
| Personal / Academic | Free | Personal, academic, educational, and non-commercial research use | Repository license |
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| Commercial Evaluation License | $499 USD for 60 days | Up to 3 named users; full decoder suite and reproducibility toolkit; 100% credit toward any annual license | Self-serve. Primary entry point for rapid evaluation. |
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| Solo / Indie Commercial | $1,299 USD / year<br>or $899 USD one-time (perpetual internal use) | 1 named user; core + advanced workflows; updates included for subscription term or perpetual core rights | One-time perpetual option available for internal use only (no redistribution). |
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| Startup / Growth Team | $4,499 USD / year | Up to 10 named users; full feature set; 90-day priority support credit | Designed for early commercial R&D and prototype teams. |
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| Professional / Lab | $11,500 USD / year | Up to 25 named users; full features; Validation Report Package credit included | Includes built-in proof-of-value mechanism. |
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| Enterprise R&D | $28,000+ USD / year | Custom user limits, dedicated support options, strategic workflow integration | Contact sales for scoping. |
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| SaaS / Hosted API | Contact sales | Production hosted infrastructure, support scope, and hosted-value proof required | Beta review only until infrastructure and operational maturity are demonstrated. |
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| OEM / Embedded | Contact sales | Hardware or platform partner validation and redistribution terms required | Serious hardware or platform partners only. |
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| Strategic Partnership | Custom | Validation, IP alignment, or partnership scope required | No public price floor. |
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| Tier | Price | Scope |
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|---|---:|---|
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| Personal / Academic | Free | Personal, academic, educational, and non-commercial research use |
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| Commercial Evaluation Pilot | $1,500 / 90 days | Internal commercial evaluation, up to 2 named users, creditable toward annual license |
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| Startup Commercial | $3,500 / year | Early commercial R&D, internal prototype use, up to 5 named users |
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| Professional / Lab | $15,000 / year | Funded lab or commercial R&D use, benchmark workflows, up to 20 named users |
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| Enterprise R&D | $35,000+ / year | Internal enterprise evaluation and commercial QEC research workflows |
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| SaaS / Hosted API | Contact only | Beta review only until production hosted infrastructure, support scope, and hosted-value proof exist |
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| OEM / Embedded | Contact only | Partner validation only until hardware/platform scope and redistribution terms exist |
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| Strategic Partnership | Custom | No public exclusive-price floor; requires validation, IP, or partnership scope |
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## High-Velocity Professional Services
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Hosted API and OEM prices are intentionally not listed publicly at this stage.
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QECTOR's hosted layer is not yet enterprise SaaS infrastructure, and OEM rights
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require a serious hardware or platform partner before pricing can be responsible.
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To accelerate time-to-value and generate rapid revenue, the following productized services are offered. These services deliver measurable workflow proof on compressed timelines and naturally convert into longer-term licensing relationships.
- Comparative analysis against PyMatching / Stim baselines where applicable
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- 60-minute results review call with the customer team
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## Pilot success criteria
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**Purpose:** Directly addresses pilot success criteria with customer-owned, reproducible evidence. High gross margin, rapid delivery, and strong conversion to annual licenses (full credit applied).
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A commercial pilot should be judged on measurable workflow value, not vague
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interest.
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This service is the recommended fast-track entry point for teams seeking immediate, defensible proof of workflow value.
| Custom Workflow Integration | $7,500–$12,000 (scoped)| License plus targeted engineering to embed QECTOR into existing pipelines or custom LDPC/qLDPC code families |
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| Priority Support (add-on) | $5,000 / year | Private email support and priority bug review for licensed users |
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| Integration Support | $10,000 / year | Benchmark review, install support, and integration guidance |
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| Validation Report Package | $5,000 one-time | Independent review of customer benchmark setup and reproducibility package (credit available within Professional tier) |
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| Custom Engineering | $150 / hour | Private fixes, special reports, scripts, or workflow adaptation |
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| Technical Advisory | $2,000 / day | Architecture review and QEC workflow consulting |
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- install success on the buyer's target machines
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- one reproduced benchmark artifact bundle
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- one QECTOR vs PyMatching comparison run
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- one BP-OSD / LDPC workflow if relevant
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- one artifact manifest with hashes and environment snapshot
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- documented time saved versus the buyer's existing PyMatching / Stim / custom-script workflow
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## Evaluation & Pilot Success Criteria
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## Next proof asset
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Commercial engagements are evaluated on measurable workflow value.
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The next commercially important public artifact is a reproducible GPU/batch
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benchmark campaign against a strong PyMatching + Stim baseline.
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**Recommended proof points for Evaluation Licenses and Validation Sprints:**
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- Successful installation on the buyer’s target environment(s)
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- At least one reproduced benchmark artifact bundle with full manifest, hashes, and environment snapshot
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- One QECTOR vs. PyMatching / Stim comparison run (where relevant)
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- One BP-OSD / LDPC workflow execution (if within scope)
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- Documented time savings or insight velocity versus the buyer’s existing workflow
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- Clear attribution of results to QECTOR components
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Do not claim universal GPU throughput superiority, RTX 4090 speedups, SaaS
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readiness, OEM readiness, or real-time hardware decoding until the repository
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includes reproducible artifacts with hardware, driver/runtime versions, batch
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size, circuit/DEM, seeds, wall time, memory, output hashes, and environment
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snapshots.
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Success is measured by the production of reproducible, customer-owned artifacts that demonstrate concrete workflow advantage.
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## Rights not included by default
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## Next Proof Asset Priority
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Unless explicitly granted in a written commercial agreement, no license tier
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includes:
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The next commercially significant public artifact remains a reproducible GPU/batch benchmark campaign against a strong PyMatching + Stim baseline, including full hardware, driver/runtime versions, batch sizes, circuit/DEM details, seeds, wall-clock time, memory usage, output hashes, and environment snapshots.
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- redistribution rights
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- sublicensing rights
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Claims of universal GPU superiority, specific hardware speedups, real-time hardware decoding readiness, or production SaaS/OEM capability will only be made once such artifacts exist and have been independently reproducible.
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## Rights Not Included by Default
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Unless explicitly granted in a written commercial agreement, no license tier includes:
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- Redistribution rights
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- Sublicensing rights
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- OEM rights
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- hosted API rights
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- SaaS rights
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- trademark rights
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- patent rights
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- exclusivity
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- warranty or indemnification
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- government or defense rights
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- Hosted API or SaaS rights
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- Trademark rights
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- Patent rights
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- Exclusivity
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- Warranty or indemnification
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- Government or defense-specific rights
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## Official Licensing Portal & Purchasing
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Self-serve purchasing for the Commercial Evaluation License and Solo / Indie tiers is available at:
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**https://www.qector.store**
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Higher tiers, Validation Sprints, and custom services are initiated via:
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## Official licensing portal
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**admin@qector.store**
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https://www.qector.store
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All commercial licenses are issued under written agreement. Source-available access for non-commercial use continues under the repository license.
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## Commercial contact
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---
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admin@qector.store
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*This document supersedes all prior commercial pricing and licensing statements for QECTOR Decoder v3.*
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