Esc
EmergingEthics

Nex-AGI accuses Rio of copying weights in Rio 3.5 Open model

Is this a scandal?

Not yet — early signal: noise 41/100 · state: Emerging · 3 source items across 1 platform · peaked at 42/100 on Jun 15, 2026. — as of , measured by the SCAND.Ai noise pipeline.

Incident ID: SCAND-158635

Cite this incident"Nex-AGI accuses Rio of copying weights in Rio 3.5 Open model." SCAND.Ai incident SCAND-158635, noise 41/100 as of June 15, 2026. https://scand.ai/scandal/nex-agi-accuses-rio-of-copying-weights
AI-AnalyzedAnalysis generated by Gemini, reviewed editorially. Methodology

Why It Matters

This controversy highlights the growing challenge of verifying "original" training claims in the open-source AI ecosystem. It underscores the need for robust verification standards to prevent plagiarism and preserve trust in independent developers.

Key Points

  • Nex-AGI filed a GitHub issue alleging that the Rio 3.5 Open 397B model is a 60/40 weight blend of Nex-N2 Pro and Qwen rather than an original creation.
  • Technical evidence presented by Nex-AGI indicates that the model weights align precisely across all 60 layers.
  • The model allegedly defaults to identifying as "Nex" when its top-level system prompt is removed.
  • The controversy has sparked wider industry discussions about transparency, verification, and the ethics of model merging.

AI developer Nex-AGI has formally accused the creators of the Rio 3.5 Open 397B model of passing off a model blend as an original, independently trained project. According to a GitHub issue filed by Nex-AGI, the newly released 397-billion-parameter model is a 60/40 blend of Nex-N2 Pro and Alibaba's Qwen model. Nex-AGI alleges that the model's weights align precisely across all 60 layers with their proprietary weights, and notes that the model still identifies itself as "Nex" when its default system prompt is removed. Representatives for Rio have not yet officially resolved the allegations, which have sparked intense debate within the machine learning community regarding model authorship, licensing, and transparency.

Nex-AGI just called out the creators of the Rio 3.5 Open AI model, claiming it is not a newly trained model at all. Instead, they allege it is a "franken-model" made by mixing 60% of Nex's own model with 40% of Alibaba's Qwen. Think of it like someone claiming they baked a cake from scratch, but they actually just mixed two pre-made boxed cakes together. Nex-AGI pointed out that the model still identifies as "Nex" when you bypass its guardrails, showing the community needs better ways to verify original work.

Sides

Critics

Nex-AGIC

Claims that the Rio 3.5 Open model is an uncredited blend of its proprietary Nex-N2 Pro model and Alibaba's Qwen.

Defenders

RioC

Presented the Rio 3.5 Open 397B model as an original, independently trained public AI project.

Join the Discussion

Discuss this story

Community comments coming in a future update

Be the first to share your perspective. Subscribe to comment.

Noise Level

Buzz41?Noise Score (0–100): how loud a controversy is. Composite of reach, engagement, star power, cross-platform spread, polarity, duration, and industry impact — with 7-day decay.
Decay: 99%
Reach
43
Engagement
87
Star Power
10
Duration
9
Cross-Platform
20
Polarity
50
Industry Impact
50

Forecast

AI Analysis — Possible Scenarios

The open-source community will likely demand that Rio release their training logs or dataset details to prove the model's originality. If Rio fails to cooperate, the model is highly likely to be flagged or delisted from prominent platforms like Hugging Face.

Based on current signals. Events may develop differently.

Timeline

Today

R@/u/CryptoMadLab

The RIO Incident

The RIO Incident A new dispute is unfolding around Rio 3.5 Open 397B, a model presented as an original public AI project from Rio. Nex-AGI opened a GitHub issue claiming the model is not independently trained, but instead closely matches a 60/40 blend of Nex-N2 Pro and Qwen. They…

View original →

Timeline

  1. Nex-AGI files plagiarism complaint on GitHub

    Nex-AGI opens a formal issue alleging that the Rio 3.5 Open model is a 60/40 weight blend of Nex-N2 Pro and Qwen, sparking community investigation.