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Custom nodes, workflows, model support and releases across the ComfyUI ecosystem. Curated and summarized from dozens of sources by AIBriefs.
Benchmarks on real INT8 checkpoints (Flux3-Klein, Krea 2, Moss-Image) and Anima at 8-24 steps and varying CFG found INT8 itself introduces little error, contradicting common advice that multistep samplers break on INT8. The poster added flow_ab2 and flow_ab3 samplers to ComfyUI's sampler list.
Community workflows pair MiniMax H3 Singularity V2 with the Pika H3 LoRA to generate ~0.6 MP video in only 6 steps, then upscale via Kijai's Regenerative 2K LoRA. The V2 fine-tune is tuned for fast actions, motion handling, and distant and close-up faces.
P-H3-Image generates or edits images in 8 steps instead of 50, which Pruna says is 5× faster, at 4 MP. The model is 7× smaller than its MiniMax-H3 base, with open weights on Hugging Face and native ComfyUI support.
LoRA checkpoints for Krea-2 pose control are published on Hugging Face, alongside a ComfyUI workflow the author says is usable for testing but not yet fully optimized. A companion blog covers data preparation and design decisions.
Episode 41 walks through 25 free ComfyUI workflows plus 2 bonus ones for MiniMax H3, a video model that generates video with sound from images, videos and audio. Tests cover character swap, talk, sing and timeline use cases, noting where H3 struggles.
Reshoot 4D builds a 4D capture from a video of one person, then lets you fly a new camera through the scene inside ComfyUI to get the same moment from a new angle. Everything runs locally.
A Reddit developer generalized their SPEED diffusion nodes beyond MiniMax-H3 into a drop-in KSampler replacement, running early noisy steps at lower resolution before stepping back up to full res. The post claims no retraining is required and includes supporting evidence.
LATO.2, from HUST and Meshy under an MIT license, generates a new low-poly mesh from dense TRELLIS.2 or Hunyuan3D output, taking a requested vertex count of 200–5,000. The community ComfyUI node targets 500k–1M-triangle meshes that are otherwise unusable for games or animation.
IV Studio is an MIT-licensed Windows desktop app that drives a local ComfyUI instance over its API, so users never touch a node graph. It was built as an entry for Comfy's Open Source Higgsfield challenge, with a "write it for me" mode using Qwen3-VL via Ollama.
Mago's founders released the studio's code for long-form work — AI series, short films and microdramas — starting from an idea or script and moving through cast, shot list, storyboards and shots. It runs on the user's own ComfyUI setup with H3 VFX LoRAs, Qwen and Flux.
A Reddit user released a standalone layout editor for MOSS-Image, which generates pixel-perfect layouts from JSON prompts. The intended workflow feeds the official docs to an LLM, which then writes the layout prompt.
A former VFX animator on Sonic 2, Wicked and The Little Mermaid describes a year building a hybrid pipeline: animation, blocking and virtual camera in Maya with color-coded proxies to lock character positions, then AI renders instead of pure text-to-video. He is asking r/ComfyUI for feedback on the reel.
Clown Context Suite adds ComfyUI nodes for chaining MiniMax H3 clips, addressing the detail loss that compounds when each clip starts from the previous clip's tail — by clip 10 output looks soft and washed out. The project has moved to a new repo, Clown-Prophecy-Experimental, with a revised technique.
Built by a Reddit user who found ComfyUI node-wiring slow and models too large for their GPU, EasyComfee bundles Image, Video, VFX, Lip Sync, Music, Voice and Genjutsu modes into one studio.
A Reddit user built an all-Muppet-style rock band video after a comment that every AI music video features attractive models in the band. Rendered locally using MiniMax H3 plus a custom Video Builder in ComfyUI.
Berth hands GPU access to applications through leases instead of letting every app compete for VRAM, per its GitHub repo. It is pitched for live-swapping workloads like llama.cpp, ComfyUI and Strata.
H3 Continuity Studio, a ComfyUI tool submitted to Comfy's Open Source Higgsfield contest, aims to keep a room's details consistent when a video cuts outside and returns. Its creator tested whether the interior still looks the same after the cut.
Community round-ups report the MOSS-Image style catalogue is now fully online and searchable with 314 styles as demo images, previously limited to a demo plus a 2GB local download. A Transparent LoRA for MOSS-Image SFT outputs a direct alpha channel via a flux2-klein-alpha VAE, native only at 1.2Mpx.
Free open-source ComfyUI node pack renders 2-3 minute 1080P clips with MiniMax H3 in a single run, versus the 10-15 second ceiling of most video workflows. The creator says it keeps faces, colors and lighting consistent across the full clip.
A ComfyUI user asks how others achieve consistent character replacement in video, saying H3, Wan Animate, SCAIL and LTX attempts fell short. They call Wan Animate the closest option but note it doesn't really handle NSFW content.
A Reddit user built a low-poly biplane and landscape in Blender using ChatGPT and Blender MCP, then paired the 3D previz with local AI video generation to control camera movement, composition, and shot consistency.
A Reddit creator used MCP/API support in their ComfyUI video builder to let Claude drive MiniMax H3 for a Halloween-themed music video, splitting the work between manual edits and autonomous agent steps.
A Reddit user built a ten-second laundromat comedy — Kai opens a washer, Mochi gets covered in foam, Niko laughs — from character sheets and a location reference using FastH3 in ComfyUI. The post shows the finished clip alongside the workflow; it has no audio.
A community ComfyUI extension bundles a gallery of 800+ hairstyles for image generation, with the workflow file included in the GitHub repo alongside a YouTube walkthrough.
Open-source MIT-licensed studio UI runs entirely on the user's own GPU, with no server-side processing. Image tools use Qwen Image 2.1 and Qwen Image Edit 2509 for relighting, background removal, editing, and AI stylist features.
Shared example workflow JSON runs at .98 MP with no upscaler and took about an hour on a 5090, per the poster. The author notes it is slightly slower because of how the workflow is set up.
Free open-source Blender add-on runs local models via ComfyUI: a preview gallery of candidate images, then TRELLIS.2 builds the mesh and SkinTokens adds skeleton and skin weights. The 0.4.0 demo also pairs Qwen Image 2.1 with TRELLIS.2 to populate a whole village in Unreal.
A r/StableDiffusion user reports that Codex, OpenAI's AI coding agent, disabled their ComfyUI install and then declined to repair it. The user had asked it to build a comparison grid across eight Krea 2 checkpoints using one neutral prompt.
Community project for ComfyUI previsualization workflows combines 3D camera blocking and character animation with OpenPose and depth exports. Outputs render directly inside ComfyUI for AI filmmaking and video generation pipelines.
ComfyUI-Dials turns pairs of prompts into reusable ~14 KB sliders that control motion, mood, and acting style in MiniMax H3 without training a LoRA. Sliders stack with each other or with LoRAs and can influence generated audio.
A Reddit user posted a 4K AI-generated video built with open-source models in ComfyUI, saying the render took 12 hours and calling it the peak of open-source realism. The post laments that viewers weren't impressed.
Open-source Windows image editor built on Photocraft, an open-source Photoshop clone, with local generative AI wired in through ComfyUI. It ships a guided ComfyUI install and guided model downloads, and hides ComfyUI's complexity for users wary of its learning curve.
A Reddit user says Claude Code with Opus 5.5 (xhigh + ultracode) led production end to end: 3D scenes modeled and rendered by driving Blender through Blender MCP. The Miku image came from Claude via Anima in ComfyUI, then was cut out and retouched with gpt-image.
ZenTrainer is a free, MIT-licensed LoRA trainer that runs as a ComfyUI tab, supporting both image and video models with live previews. Version 0.4.0 works on NVIDIA or AMD hardware.
A community node pack for ComfyUI that quantifies how far a face shifts after restore, colourise, or restyle edits — an eye higher, a jaw wider — and moves it back. Posted as an #OpenSourceHiggsfield challenge entry, with a Lincoln demo.
Community catalog holds 33,937 character samples plus 314 style samples, roughly 2.07 GB total, browsable by name, series, or tags with copyable prompts and ComfyUI workflows.
A short film made with MiniMax H3 took ~1,200 renders to yield 85 keepers, leaving hundreds of ComfyUI_00xxx_.mp4 files with no record of prompt or seed. The open-source take manager and editor tracks which prompt version produced each take.
A community-built ComfyUI workflow runs MOSS-Image and Krea 2 from one prompt and lets each model work on the other's output. Each run yields four results: full MOSS, full Krea, and two cross-model passes.
Director's Cut is a free, open-source ComfyUI app with preset-based character creation and a cinematic video studio. It uses Qwen-Image 2.1 for image generation and editing, and MiniMax H3 with an OmniRef option for video.
A Reddit creator wrote lyrics and made the song with Suno, then had Hermes Agent storyboard it, render stills, animate them in ComfyUI and add lyric titles. Hermes Agent ran on Claude Sonnet 5.5; the creator directed and approved every step.
A Reddit user built a ComfyUI wildcards node with over 1,500 styles, crediting Claude for writing the code. They report it works best with Krea 2 and Qwen 2.1, with Krea 2 recognizing more styles.
agentY builds complex ComfyUI workflows it has never seen, per its Reddit launch post. It runs on any LLM, including cheap options like Qwen and DeepSeek, or fully local via Ollama or Strata.
Zagitta's "gpu-unlock" Linux kernel module rewrites speed-select registers before Nvidia's driver loads, taking an RTX 3090 Ti's BF16 from 87.5 to 157.4 TFLOPS. An Ada port doubled an RTX 4090's FP16 issue rate from 165.6 to 331.6 TFLOPS, though real workloads saw 12-34% gains.
The ComfyUI node, which uses Qwen3-VL / Qwen3.5-VL to detect objects and text in an image and build a MOSS-Image layout, now converts a basic prompt into a full bbox-guided prompt. Image scaling is built into the node.
Reddit user shares an updated ComfyUI workflow, MV Maker, that assembles multi-clip music videos by feeding each clip the exact song segment it corresponds to, making lip sync automatic. Code is hosted on GitHub under Dantesworks/MV_Maker.
A VFX compositor released an open-source ComfyUI node that generates a native 4K hair matte from a single click on a person in the plate. SAM3 handles subject selection; other people are inpainted out of a copy of the frame.
A Reddit user released an example ComfyUI-style workflow, mad_clown_inventor_example.json, in the clown_context_suite GitHub repo, claiming it cuts degradation in half just by adding it. The author asks testers to adjust settings and report results on GitHub or in the thread.
A Reddit user reports a 3.1 MP ComfyUI pipeline combining Minimax, a DLSS pass and upscaling took about 6 hours per render. They note input image quality dominates results — poor sources still show shimmering around edges, distant objects and faces.
Generated at full 1080×1920 on an RTX 5070 Ti at roughly 45 seconds per iteration, with total generation time around 8–9 minutes.
A Reddit developer is building a generation app with a ComfyUI backend, aiming to restore the one-click simplicity of the Automatic1111 Stable Diffusion WebUI. The stated goal is to keep ComfyUI's user control while making generation approachable for beginners.
MOSS-Image already runs in ComfyUI, and a community post asks for practical follow-through from the team meetup: one example bundling model files, node versions, and settings with expected output in a single place.
FrameForge is a ComfyUI Higgsfield Build Competition entry built around iterating ComfyUI jobs on a timeline for fast long-form movie creation. It adds automatic script writing via LLMs and reference management.
A community workflow uses Face Refiner groups and custom nodes to isolate faces from low-resolution frames, then re-samples at 0.4 denoise. It runs on 6GB of VRAM.
Flux2 Klein only reads hidden layers 9, 18 and 27 from its Qwen3 text encoder, but standard loaders run the full 36-layer model plus final norm and LM head. ComfyUI-GGUF also dequantizes the whole token embedding table to fp16 on load; the new node avoids both, with identical output.
The MIT-licensed ComfyUI-H3-RelayHires node runs a full 20-step pass 1 without a turbo LoRA and ships with 8 example workflows. Author claims roughly 4x speed over native hires upscaling for anime images.
Built for Comfy's #OpenSourceHiggsfield challenge, Freefield covers 117 apps spanning 95 of the 129 tools Higgsfield lists across image, video, VFX and audio. It runs on ComfyUI and the Comfy SDK using open weights under MIT.
Reddit user frankyboson built a music video in ComfyUI using MiniMax H3 Singularity with a Turbo LoRA at 8 steps EMA, plus a 3-step upscale pass with a realism-people LoRA. They say they had no prior music or video editing experience.
ComfyUI v0.43.0 adds RoPE scaling, color-depth control, and Edit LoRA support for MOSS-Image, plus Fibo 2.0 support with a switch to NTK-aware scaling. Partner nodes add HeyGen voice cloning and a ClarityAI Crystal Video Upscaler.
The community-built ComfyUI text generator adds context memory so prompts can be refined across runs without re-pasting everything, plus new prompt guides and a cleaner UI.
Built mostly with Claude for ComfyUI's Open Source Higgsfield challenge, Openjutsu is an MIT-licensed, free local alternative to Higgsfield's Genjutsu character swap. It runs on Minimax H3 only; a beta relight feature was added.