ABLITERIX TRIAL 16 APEX OpenMDW-1.1

Laguna-S-2.1-Uncensored-APEX-GGUF

English | πŸ“– δΈ­ζ–‡ζ–‡ζ‘£

Uncensored 118B-A8B MoE Β· abliterix Trial 16 Β· APEX I-tier GGUFs + imatrix

🌊 About this release

Laguna S 2.1 is a poolside ~118B total / ~8B active per token Mixture-of-Experts model for agentic coding and long-horizon work. Architecture highlights: token-choice routing with softplus gates, 256 routed experts + 1 shared expert (top-10), GQA, 1:3 global/sliding-window attention (48 layers: 12 global + 36 local, window 512), and up to about 1M context, with optional native thinking interleaved with tool use.

This release builds on the official weights in two steps:

  1. Uncensored behavior edit via abliterix (ROCm + bitsandbytes 4-bit search path), selecting Trial 16 LoRA, stream-merged back to BF16, plus MoE safety-expert router bake-in.
  2. APEX mixed-precision GGUF from a poolside llama.cpp (laguna) BF16 GGUF, using APEX-style tensor-type configs + imatrix (token embedding / output kept at BF16).

License: OpenMDW-1.1 (same family as the base model). See openmdw.ai and poolside terms.

⚠️ Uncensored notice

After merging abliterix Trial 16, this model shows a much lower refusal rate and can differ substantially from official Laguna-S-2.1. Evaluate compliance and safety for your use case; control access and audit as needed.

Refusals (harmful eval)8 / 100 (baseline ~97 / 100)
KL divergence~0.0042
Length deviation~0.07 Οƒ
Generation healthPASSED
Selected trialabliterix Trial 16

Implementation sketch: LoRA merge W += (B @ A) * (alpha / r) (this trial alpha = r = 1); per-layer top ~20 safety experts with router row scale ~0.74 (see merge metadata).

πŸ“œ Disclaimer (identity & text quality)

The following can also appear with official Laguna-S-2.1 (including high-precision online deployments). They are not introduced by this Uncensored edit and should not be blamed on abliterix / the refusal merge:

  • Model identity quirks or self-descriptions that diverge from the official persona;
  • Odd tokens, typos, stiffness, or occasional awkward phrasing in Chinese and other languages.

This Uncensored pipeline mainly changes refusal / safety-related behavior. More aggressive quant tiers (e.g. Compact) may amplify existing text noise, but the underlying issues already exist in the original model and/or the local quant+inference stack. For a fair check, compare official vs this release under the same serving settings.

🧠 Model details
ArchitectureLaguna MoE (poolside laguna)
Parameters~118B total, ~8B active / token
Layers48 (L0 dense FFN, L1–L47 MoE)
Experts256 routed + 1 shared, top-10
AttentionGQA, 8 KV heads, head dim 128
ContextUp to ~1,048,576 tokens (practical limit depends on VRAM / -c)
Vocab100,352 (Laguna family tokenizer)
ModalityText β†’ text (no mmproj in this package)
This repoAPEX I-Quality / I-Balanced / I-Compact GGUF

Coding / tool ability is largely retained; refusal and alignment behavior are changed. Full official bench tables were not re-run for this derivative.

πŸ’‘ What is APEX?

These files use APEX-style MoE-aware mixed precision: precision follows tensor role + layer position (higher on edges, more aggressive in the middle), with imatrix for the I- tiers.

Common settings for this package: source Laguna-S-2.1-Uncensored BF16 GGUF; calibration laguna-s-2.1.imatrix; token embedding / output = BF16; routers and norms largely left at high precision defaults. Configs target Laguna 48-layer naming (ffn_*_exps / ffn_*_shexp / attn_*, L0 dense).

πŸ“¦ APEX quantization tiers
File Size Mid experts Best for
*-I-Quality.gguf~70 GBedge Q6_K / near Q5_K / mid iq4_xs; shared Q8_0; attn Q6_KSmaller high-quality try (IQ mid-layers)
*-I-Balanced.gguf~80 GBedge Q6_K / near & mid Q5_K; shared Q8_0; attn Q6_KRecommended default for Chinese users β€” steadier than Compact
*-I-Compact.gguf~52 GBedge Q4_K / mid Q3_K; shared Q6_K; attn Q4_KTighter memory; more quant noise OK

How to choose:

  • Chinese-heavy use: prefer I-Balanced. Mid experts stay Q5_K (not iq4_xs), which usually feels more stable. Drop to I-Compact only if memory is tight.
  • English / coding: tier differences are usually small; pick by VRAM/speed (Balanced vs Compact). I-Quality is optional when you want IQ mid-layers and a smaller footprint than Balanced.
πŸš€ Usage (llama.cpp)

Use a build that understands the laguna architecture (poolside laguna branch or equivalent).

Example (I-Balanced recommended)

./llama-server \
  -m ./Laguna-S-2.1-Uncensored-APEX-I-Balanced.gguf \
  --port 8080 \
  -sm none \
  --device rocm0 \
  --ctx-size 131072 \
  --flash-attn on \
  --no-mmap \
  --fit on \
  --jinja \
  --host 0.0.0.0
  • Must recognize general.architecture = laguna.
  • Thinking / tools: configure per client/server docs (e.g. enable_thinking, reasoning options).
  • Warnings like special_eos_id is not in special_eog_ids are tokenizer metadata hints; the model can still load. If stop/truncation is odd, check stop / max_tokens / template.
  • Text-only GGUF; no mmproj.
πŸŽ›οΈ Recommended sampling
General / codingtemperature 0.6–1.0, top_p 0.95, top_k 20
More stableSlightly lower temperature
πŸ”§ Build pipeline (summary)
  1. Base: poolside/Laguna-S-2.1
  2. abliterix search β†’ Trial 16 LoRA + MoE router adjustments
  3. BF16 stream-merge β†’ Laguna-S-2.1-Uncensored
  4. poolside llama.cpp β†’ BF16 GGUF + imatrix
  5. APEX tensor-type-file + imatrix β†’ I-Quality / I-Balanced / I-Compact

Links

Disclaimer

Community derivative (behavior edit + quantization). Not an official poolside release. Use at your own risk; follow local law and upstream licenses.

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