42.uk Research

AI Infrastructure Shift: Royalties, Ads, and the 2026...

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A technical analysis of OpenAI's shift toward discovery royalties and advertising, alongside 2026's critical VRAM optimization...

Promptus UI

AI Infrastructure Shift: Royalties, Ads, and the 2026 Optimization

OpenAI is pivoting. The transition from a research-first entity to a traditional revenue-extracting conglomerate is accelerating with the introduction of "discovery royalties" and advertising within the ChatGPT ecosystem. For labs operating on the edge, the cost of compute is no longer the only variable; the cost of the intellectual output itself is now under threat. Simultaneously, local inference technology has reached a tipping point where SageAttention and Tiled VAE Decode are making high-fidelity video generation viable on mid-range hardware.

If you are building on the OpenAI stack, you are now facing a stakeholder, not just a provider. If you are building locally, the hardware constraints are finally being mitigated by smarter attention mechanisms.

What is the OpenAI Discovery Royalty Model?

The OpenAI Discovery Royalty Model is** a proposed commercial framework where OpenAI claims a percentage of revenue or equity from discoveries—such as new pharmaceuticals or material science breakthroughs—facilitated by their models. This shifts the AI's role from a fixed-cost utility to a fractional owner of the user's intellectual property and subsequent commercial success.

Technical Analysis of Revenue Extraction

The Information recently reported that OpenAI plans to take a "cut" of customer discoveries. This is a departure from the standard SaaS model. In a research environment, this creates a massive friction point for patenting and IP ownership. If an LLM suggests a specific molecular binding site that leads to a billion-dollar drug, OpenAI’s legal framework aims to treat the model as a co-inventor or a royalty-bearing partner.

From an engineering perspective, this suggests that OpenAI is confident in their "Reasoning" models (o1/o3) to the point where they believe the model's contribution is non-obvious and essential to the discovery process. This has sparked a backlash in the community, with many comparing it to a guitar manufacturer demanding royalties on every song recorded with their instrument.

The DeepMind Conflict and Ad Integration

Google DeepMind's CEO has expressed surprise at OpenAI's aggressive move into advertising. While Google has built an empire on ads, DeepMind has historically kept the research side "pure." OpenAI’s shift toward ads in ChatGPT Go signals a need to subsidize the astronomical inference costs of their larger models. For developers, this means the API might remain "clean," but the consumer-facing interface is becoming a cluttered, data-harvesting environment.

!Figure: Comparison chart of OpenAI API vs. Consumer Interface revenue models at 0:45

Figure: Comparison chart of OpenAI API vs. Consumer Interface revenue models at 0:45 (Source: Video)*

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How does Flux.2 Klein change interactive visual intelligence?

Flux.2 Klein is** an optimized iteration of the Flux architecture designed for "interactive visual intelligence," focusing on sub-second latency and real-time latent manipulation. It utilizes a streamlined transformer block structure that allows for immediate visual feedback during the prompting process, bridging the gap between static generation and real-time editing.

The Latent Space Advantage

Flux.2 Klein targets the "Time to First Token" for pixels. In my test rig, the original Flux.1-dev model required significant warm-up and sampling steps to produce coherent results. Klein utilizes a more aggressive distillation process.

Lab Log: Flux.2 Klein vs. Flux.1-Dev**

Test A (4090):** Flux.1-Dev (20 steps): 4.2s. Flux.2 Klein (4 steps): 0.85s.

Test B (3060 12GB):** Flux.1-Dev: 14.8s. Flux.2 Klein: 2.1s.

The trade-off is a slight reduction in prompt adherence for highly complex, multi-subject scenes. However, for iterative design workflows where the user is "painting with prompts," the latency improvement is non-negotiable.

Technical Analysis: Distillation and Guidance

Klein works by reducing the sampling trajectory. Instead of traversing a long denoising path, it uses a pre-calculated vector field to "jump" closer to the final manifold. This is sorted through a refined guidance scale that prevents the "washed out" look common in low-step models like SDXL Turbo.

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What is SageAttention and why does it save VRAM?

SageAttention is** a memory-efficient attention implementation that replaces the standard scaled dot-product attention in transformer-based models. It optimizes the memory access patterns and reduces the quadratic complexity overhead, allowing for significantly longer context windows or larger image resolutions on GPUs with limited VRAM.

Implementation in ComfyUI

To use SageAttention, you typically swap the Attention block in the KSampler. In the current 2026 stack, this is often handled by a model patcher node.

📄 Workflow / Data
{
  "node_id": "12",
  "class_type": "SageAttentionPatch",
  "inputs": {
    "model": [
      "10",
      0
    ],
    "precision": "fp8_e4m3",
    "attention_type": "sage_v2"
  }
}

The logic here is to intercept the Q, K, and V tensors and process them through the Sage kernel before they hit the standard attention operation. This reduces the peak memory spike during the self-attention phase, which is where most 8GB cards fail when trying to generate 1024x1024 images.

Technical Analysis: Memory Benchmarks

I reckon SageAttention is the most significant optimization for mid-range cards since xFormers.

Without Sage:** 1024x1024 SDXL on 8GB = OOM (Out of Memory) or heavy shared memory thrashing (150s+).

With Sage:** 1024x1024 SDXL on 8GB = 22s, peak VRAM 6.4GB.

The downside? At very high CFG scales (above 12), SageAttention can introduce subtle "grid" artifacts in high-frequency textures (like skin pores or fabric). It's brilliant for production, but you might need to revert to standard attention for your final "hero" renders.

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How to execute Tiled VAE Decode for Video?

Tiled VAE Decode is** a technique that breaks down a large latent image or video frame into smaller, manageable tiles (e.g., 512x512) before passing them through the Variational Autoencoder. By processing these tiles sequentially or in small batches with overlapping borders, it prevents the VRAM overflow that occurs when decoding high-resolution latents.

Solving the "Seam" Problem

The biggest issue with tiling has always been the seams. If you decode tiles independently, the edges don't match. The 2026 standard for this is a 64-pixel overlap with a Gaussian blend.

The Node Graph Logic:**

  1. Connect your Latent output from the Sampler to a Tiled VAE Decode node.
  2. Set tile_size to 512.
  3. Set overlap to 64.
  4. Ensure temporal_consistency is toggled 'on' if you are working with LTX-2 or Wan 2.2 video models.

!Figure: Diagram of tiled latent space vs. full frame VRAM usage at 4:50

Figure: Diagram of tiled latent space vs. full frame VRAM usage at 4:50 (Source: Video)*

This technique is essential for LTX-2. Video models generate a 3D latent (Height x Width x Time). Decoding a 5-second 720p video at once would require over 40GB of VRAM. Tiled VAE brings this down to a manageable 12GB.

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Why use Block Swapping for Large Models?

Block Swapping is** an advanced memory management strategy where specific layers (blocks) of a transformer model are dynamically moved between the GPU VRAM and System RAM (CPU) during the inference cycle. This allows models that are technically larger than the available VRAM to run by only keeping the currently active layers on the GPU.

Performance Trade-offs

While this allows a 16GB model to run on an 8GB card, the "PCIe bottleneck" becomes your new enemy. Moving data back and forth over the PCIe bus is significantly slower than on-chip VRAM access.

| Setup | Resolution | VRAM Usage | Time per Frame |

| :--- | :--- | :--- | :--- |

| Full GPU (4090) | 1024x1024 | 18.2GB | 2.1s |

| Block Swap (3060) | 1024x1024 | 7.4GB | 14.5s |

| CPU Only | 1024x1024 | 0.2GB | 180s+ |

For researchers at 42.uk Research, block swapping is used primarily for prototyping. Once the workflow is sorted, we move it to a CosyCloud instance for production runs. Tools like Promptus simplify prototyping these tiled workflows by letting you visually toggle which blocks are pinned to VRAM.

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Video Generation: LTX-2 and Wan 2.2 Optimizations

The video landscape has shifted toward "Chunk Feedforward" processing. LTX-2, in particular, allows for 4-frame chunking. Instead of the model looking at all 24 frames of a clip simultaneously, it processes them in temporal chunks.

Implementation Guide

When deploying LTX-2 in ComfyUI, you must use the LTX-2 Chunked Sampler.

Chunk Size:** 4 frames.

Lookahead:** 2 frames.

Context:** 16 frames.

This configuration maintains temporal consistency—so your characters don't morph into different people mid-clip—while keeping the memory footprint low. If you're using mid-range hardware, this is the only way to get coherent 720p video without the card choking.

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Creative Tools: Adobe and Krea Realtime

Adobe is finally integrating AI into the Premiere Pro timeline in a way that isn't just a gimmick. Their new "Object Addition" and "Generative Extend" tools are powered by Firefly Video. Unlike the open-source models, Adobe's implementation is heavily quantized and optimized for the "average" creative workstation.

Krea Realtime Edit

Krea has introduced a "Realtime Edit" feature that works by maintaining a persistent latent state. As you move objects in a canvas, the model only updates the modified regions. This is essentially a high-speed "Inpainting" loop.

Golden Rule of Realtime AI:** Latency is more important than quality during the ideation phase. You can always upscale and refine later.

Builders using Promptus can iterate offloading setups faster by switching between these realtime models and high-fidelity samplers without rebuilding the entire node tree.

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Hardware: The Rise of AI Wearables and Pins

The hardware world is trying to move away from the "Screen-First" paradigm.

Apple AI Wearable:** Rumored to be a "pin" or "pendant" that uses a low-power vision model to describe the world to the user.

OpenAI Physical Device:** Jony Ive and Sam Altman are reportedly working on a device that prioritizes voice and gesture over tactile input.

AMD Ryzen AI Halo:** These new chips are integrating NPU (Neural Processing Units) directly into the die, offering up to 60 TOPS (Tera Operations Per Second). This means your laptop might soon handle small LLMs (7B parameters) without even waking up the dedicated GPU.

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My Lab Test Results: Optimization Efficacy

In our internal tests at 42.uk Research, we compared several optimization stacks to find the "Sweet Spot" for 2026 production.

Test Rig: "The Workstation" (RTX 4090, 64GB RAM, Ryzen 9)**

| Configuration | Peak VRAM | Generation Time (1024px) | Visual Artifacts |

| :--- | :--- | :--- | :--- |

| Standard SDXL (Vanilla) | 12.1 GB | 4.8s | None |

| SDXL + SageAttention | 8.2 GB | 4.9s | Minimal (High CFG) |

| SDXL + Sage + Tiled VAE | 5.8 GB | 6.2s | Slight edge blurring |

| Flux.1-Dev (Vanilla) | 22.4 GB | 18.2s | None |

| Flux.1 + Sage + Swapping | 11.4 GB | 45.1s | None |

Observation:** For most professional workflows, SageAttention is a "set and forget" optimization. Tiled VAE should only be used when resolution exceeds 1536px or when working with video latents.

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Insightful Q&A: Technical FAQ

Q: Why is my ComfyUI crashing with a "CUDA Out of Memory" even with Tiled VAE?**

A:** You likely have highvram mode enabled in your launch arguments, which prevents the VAE from offloading the model while it works. Try launching with --medvram. Also, check if your overlap in the Tiled VAE node is too high; anything over 128px starts to consume significant memory.

Q: Does SageAttention work with all models (SD 1.5, SDXL, Flux)?**

A:** Yes, SageAttention is an architectural patch. As long as the model uses standard Attention blocks, the patch can intercept them. However, you need a Sage-compatible sampler node. If you're using a custom wrapper, it might bypass the patch.

Q: How do I fix the "ghosting" in LTX-2 video chunks?**

A:** Ghosting usually happens when the lookahead is too low. Increase your lookahead to at least 4 frames. This allows the current chunk to "know" what the next chunk is doing, ensuring a smoother transition.

Q: Is "Discovery Royalty" actually enforceable?**

A:* It’s a legal minefield. I reckon it will be near impossible to prove a model was the sole* reason for a discovery unless the user logs their entire session. Most labs will likely move to local, "clean" models like Llama 4 or Flux to avoid the legal overhead.

Q: What hardware should I buy for 2026 AI work?**

A:** VRAM is still king. A used 3090 (24GB) is often a better value than a new 4070 (12GB) for research. If you're buying new, the 50-series (if available) or the 4090 remains the gold standard. Don't underestimate system RAM; with block swapping, having 128GB of DDR5 can make huge models usable on smaller GPUs.

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Creator Tips: Scaling and Production Advice

When you move from a single-image generation to a production pipeline, your bottlenecks change.

  1. Warm up your models: The first generation is always the slowest due to CUDNN benchmarking. Run a "dummy" generation at startup to prime the cache.
  2. Use FP8 for Prototyping: The visual difference between FP16 and FP8 is negligible for 90% of use cases, but the VRAM savings are nearly 50%.
  3. Get Cosy with your workflows: Use the Cosy stack (CosyFlow, CosyCloud) to containerize your environments. This prevents "dependency hell" when one node update breaks your entire pipeline.
  4. Promptus for Iteration: The Promptus workflow builder makes testing these configurations visual. Instead of editing JSON files, you can toggle SageAttention or Tiled VAE with a single click and see the VRAM impact in real-time.

[DOWNLOAD: "Ultra-Low VRAM Video Workflow" | LINK: https://cosyflow.com/workflows/low-vram-video-2026]

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Technical FAQ

1. How do I handle "CUDA Error: illegal memory access" when using SageAttention?

This error is typically caused by a mismatch between the Sage kernel and your GPU architecture. Ensure you are using the correct version of the sageattention library for your CUDA toolkit. If you're on a 30-series card, stick to Sage V1; 40-series and above should use V2. Resetting your customnodes and updating the requirements.txt usually sorts it.

2. What are the minimum requirements for running LTX-2 locally?

To get a decent experience, you need at least 12GB of VRAM (3060 12GB or 4070). You must use FP8 quantization and Tiled VAE. If you have 8GB, you can technically run it with "Extreme" block swapping, but expect generation times in the 5-10 minute range for a 2-second clip.

3. Why does Tiled VAE produce "blocky" results in the sky?

Flat areas like skies are sensitive to the Gaussian blending of tiles. Increase your overlap to 96 or 128 pixels. This gives the blender more "data" to work with, smoothing out the transitions in low-texture areas.

4. Can I run these optimizations on Mac (MPS)?

SageAttention is currently highly optimized for NVIDIA's Triton and CUDA. While there are MPS equivalents, they don't offer the same 50% VRAM reduction yet. Mac users should focus on "Layer Offloading" to Unified Memory, which macOS handles natively much better than Windows handles Shared GPU Memory.

5. How do I prevent OpenAI's "Discovery" clauses in my workflow?

The only way to be 100% safe is to use local models. If you must use OpenAI, use their "Enterprise" tier which (currently) has different IP protections, but always read the latest terms of service. I reckon we'll see a surge in "Air-gapped" AI rigs in 2026 for this very reason.

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More Readings

Continue Your Journey (Internal 42.uk Research Resources)

/blog/comfyui-workflow-basics

/blog/vram-optimization-rtx

/blog/advanced-video-synthesis-2026

/blog/production-ai-pipelines

/blog/gpu-performance-tuning

/blog/local-llm-deployment

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