Meditor-3-4B-Universal โ€” Standalone k2-horizon MoE GGUF Edition

Meditor-3-4B-Universal compiles the Yo-Purple/Meditor-3-4B-MoE system into zero-dependency k2-horizon Mixture-of-Experts GGUF checkpoints runnable out-of-the-box in llama.cpp, LM Studio, KoboldCpp, and Ollama.

Each transformer layer preserves the intact Qwen3-4B dense FFN as a shared expert (d_ff=9728) alongside 8 compact routed specialist FFN experts (d_ff=64, top-2 normalized softmax routing per token), distilled from the native LoRA expert weights and PromptRouter.

Note on Benchmarks: The 7.31 / 10 (69.0% pass, Rank #1 / 36) UniBench-100 score was measured on the full native dynamic prompt-routed Meditor-3-4B-MoE model. This repository provides the compiled standalone k2-horizon GGUF approximation (top-2 per-token FFN experts) for universal local runtime portability.

Meditor Model Series

Generation & Variant Hugging Face Repo Base Backbone Params (Total / Active) UniBench-100 Mean (/10) Pass Rate VRAM Footprint
Meditor 1 (Native MoE) Yo-Purple/Meditor-1-2.2B-A500M-MoE Qwen2.5-0.5B 2.22B / 0.57B 2.09 (37/100) ยท 2.42 (Best M1) 1.0% (Best M1) 4.16 GB (BF16)
Meditor 1 (Universal) Yo-Purple/Meditor-1-500M-Universal Qwen2.5-0.5B (qwen2) 0.49B / 0.49B 2.42 (100/100 BF16) 1.0% 0.93 GB / GGUF
Meditor 2 (Native HMoE) Yo-Purple/Meditor-2-3.4B-A1.8B-HMoE SmolLM2-1.7B 3.41B / 1.83B 3.28 (37/100) ยท 4.12 (Best M2) 22.0% (Best M2) 6.42 GB (BF16)
Meditor 2 (Universal) Yo-Purple/Meditor-2-3.4B-Universal SmolLM2-1.7B (qwen2_moe) 3.41B / 1.83B 4.12 (100/100 BF16) ยท 4.00 (Q4_K_M) 22.0% / 18.0% 6.38 GB / GGUF
Meditor 3 (Native MoE) Yo-Purple/Meditor-3-4B-MoE Qwen3-4B (meditor3) 4.16B / 4.04Bโ€“4.07B 7.31 (100/100, Rank #1/36) 69.0% (7.0% Uniq) 5.43 GiB peak (bf16_low_vram)
Meditor 3 (Universal GGUF) (This Model) Yo-Purple/Meditor-3-4B-Universal Qwen3-4B (k2-horizon) 4.16B (BF16) ยท Q8_0 ยท Q4_K_M Compiled GGUF from M3 (7.31 native) LM Studio / llama.cpp 4.37โ€“5.95 GiB (quantized)

Universal LLM Benchmark (UniBench-100) Cross-Generation Comparison

All benchmark comparisons below come directly from the unified UniBench-100 evaluation suite (100 open-ended synthesis questions across 10 cognitive domains, graded out of 10.0 with pass threshold >= 6.0 by gemini-3.8-flash).

1. Cross-Generation Progression (Full 100/100 Runs)

Rank (of 36 Runs) Model Run Series Generation Evaluated Mean Score (/10) Pass Rate (>=6.0) Unique Solve Rate Eval Speed
#1 Meditor-3-4B-MoE (Released) Meditor 3 (Native) 100 / 100 7.31 69.0% 7.0% 35.7 tok/s
#2 Meditor-3 Prior Uncontested (BF16) Meditor 3 (Prior R&D) 100 / 100 4.62 30.0% 1.0% 35.7 tok/s
#5 Meditor 3 Beta (BF16) Meditor 3 (Prior R&D) 100 / 100 4.31 22.0% 1.0% 19.0 tok/s
#11 Meditor 2 Universal (BF16) Meditor 2 Best 100 / 100 4.12 22.0% 0.0% 27.5 tok/s
#18 Meditor 2 Universal (Q4_K_M) Meditor 2 Quantized 100 / 100 4.00 18.0% 0.0% 141.2 tok/s
#29 Meditor 2 (Native HMoE) Meditor 2 Native 37 / 100 3.28 8.1% 0.0% 48.7 tok/s
#30 Meditor 1 Universal (BF16) Meditor 1 Best 100 / 100 2.42 1.0% 0.0% 163.4 tok/s
#31 Meditor 1 Universal (Quant) Meditor 1 Quantized 100 / 100 2.35 0.0% 0.0% 171.3 tok/s
#33 Meditor 1 (Native MoE) Meditor 1 Native 37 / 100 2.09 2.7% 0.0% 141.9 tok/s

Key Takeaway: Meditor-3-4B-MoE delivers +3.19 points (+77.4% relative score jump) over the best Meditor 2 run (4.12), +4.89 points (3.02x score) over the best Meditor 1 run (2.42), and +2.69 points over the strongest earlier Meditor 3 research run (4.62).

UniBench-100 Progression Across Meditor Generations

2. Per-Domain Score Breakdown (Best Runs of Meditor 1, Meditor 2, and Meditor 3)

UniBench-100 Domain Meditor 1 Best (2.42) Meditor 2 Best (4.12) Meditor 3 Released (7.31) Gain vs M2 M3 Pass Rate
Critical Thinking & Argument Evaluation 3.51 5.98 9.09 +3.11 100.0%
Creative & Stylistic Expression 2.91 4.95 8.38 +3.43 90.0%
Humanities, Philosophy & Ethics 2.30 4.91 8.35 +3.44 80.0%
Physical & Life Sciences 1.68 3.38 7.41 +4.03 80.0%
Mathematics & Quantitative Estimation 2.36 1.99 7.27 +5.28 60.0%
Factuality & Hallucination Resistance 1.32 5.56 7.09 +1.53 60.0%
Real-World Tactical Strategy & Decision-Making 2.10 3.72 6.98 +3.26 60.0%
Instruction Following & Strict Constraints 3.65 4.62 6.82 +2.20 50.0%
Coding & Software Engineering 2.15 3.26 6.46 +3.20 70.0%
Logic & Abstract Reasoning 2.19 2.82 5.27 +2.45 40.0%

UniBench-100 Per-Domain Comparison

3. Full Leaderboard Landscape

UniBench-100 Leaderboard Rankings

Architecture Specifications (Meditor-3-4B-Universal)

Architectural Parameter Value
GGUF Architecture k2-horizon (general.basename: Meditor-3-4B-Universal)
Total Parameters 4,164,938,240 (4.16B)
Shared Backbone Attention & Dense FFN 36 layers, d_model=2560, 32Q / 8KV heads (d_head=128), shared FFN d_ff=9728
Routed Specialist Experts 8 routed experts per layer (d_ff=64), top-2 softmax gating (expert_weights_norm=True)
Context Window & RoPE 40,960 tokens (rope.freq_base=1,000,000)
Recommended Sampling temp=0.6, top_p=0.95, top_k=20 (ChatML / Qwen3 template with embedded identity fallback)

Available GGUF Files & Verified RTX 4060 (8 GB) Performance

File Quantization File Size Peak CUDA VRAM Generation Speed Notes
meditor-3-4b-universal-bf16.gguf BF16 7.7654 GiB < 8.0 GiB weights Full precision Reference unquantized GGUF
meditor-3-4b-universal-q8_0.gguf Q8_0 4.1299 GiB 5.954 GiB 49.5 tok/s Recommended high-fidelity quant
meditor-3-4b-universal-q4_k_m.gguf Q4_K_M 2.5376 GiB 4.365 GiB 72.5 tok/s Recommended fast low-VRAM quant

Measured with llama-server.exe (CUDA 13, -ngl 99 -c 2048) on NVIDIA RTX 4060 8 GB, verifying default identity, system prompt override, arithmetic, code synthesis, and strict JSON output.

Quickstart (llama.cpp / LM Studio)

llama-server -m meditor-3-4b-universal-q8_0.gguf -ngl 99 -c 8192 --port 8080
# Or fast 4-bit:
llama-server -m meditor-3-4b-universal-q4_k_m.gguf -ngl 99 -c 8192 --port 8080
  • LM Studio: Search Yo-Purple/Meditor-3-4B-Universal, download Q8_0 (4.13 GiB) or Q4_K_M (2.54 GiB), and load directly with full GPU offload.
  • Custom System Prompts: The embedded Jinja chat_template automatically supplies a clean default Meditor-3-4B-Universal identity when no system message is present, while honoring any user-specified system prompt verbatim.

License

Released under Apache 2.0. Built on Qwen/Qwen3-4B and Yo-Purple/Meditor-3-4B-MoE.

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Evaluation results

  • Native Source Mean Score (/10) on UniBench-100 (Native Meditor-3-4B-MoE)
    self-reported
    7.310
  • Native Source Pass Rate (%) on UniBench-100 (Native Meditor-3-4B-MoE)
    self-reported
    69.000