SLBM/affine-k100-king-head

TEXT GENERATIONPricing:Input $0.4 / Cached $0.07 / Output $4Concurrent Unit Cost:3Model Size:35.1BQuant:FP8Context Size:32kTool Calling:SupportedPublished:Aug 26, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

SLBM/affine-k100-king-head is a 35.1 billion parameter language model developed by SLBM, featuring a unique architecture that combines hv4 attention and routers with 100% sitting-king expert FFNs. This model also incorporates sitting-king `embed_tokens`, `lm_head`, and final RMSNorm. It is an evaluation candidate designed with specific architectural components for specialized performance characteristics.

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Model Overview

SLBM/affine-k100-king-head is a 35.1 billion parameter model developed by SLBM, distinguished by its specialized architectural recipe. This model is an internal evaluation candidate, not submitted to the SN120 benchmark, indicating its experimental or specialized nature.

Key Architectural Components

The model's unique design integrates several advanced components:

  • hv4 attention and hv4 routers: These components are central to its attention mechanism and data routing.
  • 100% sitting-king expert FFNs: This indicates a specific configuration for its feed-forward networks, suggesting a focus on expert-based processing.
  • Sitting-king embed_tokens / lm_head / final RMSNorm: These elements are consistently applied across the embedding, language model head, and normalization layers, pointing to a cohesive architectural strategy.

Parent Models

The affine-k100-king-head model is a composite, built from specific versions of parent models:

  • Controllers: Sourced from angryaffine/Affine-5dhnrnxlw4-hv4.
  • Experts + Vocab Head: Derived from tojointhecommunity/affine-5efg6cm3yl-king.

This composition suggests an iterative development process, combining proven components to achieve specific performance goals. While specific use cases are not detailed, its specialized architecture implies a focus on particular types of tasks or research objectives.