nightmedia/Qwen3.5-9B-Theseus

VISIONPricing:Input $0.431 / Cached $0.0862 / Output $1.12Concurrent Unit Cost:1Model Size:9BQuant:FP8Context Size:32kTool Calling:SupportedPublished:Sep 9, 2026License:apache-2.0Architecture:Transformer0.0K Open Weights Featherless Exclusive Cold

nightmedia/Qwen3.5-9B-Theseus is a 9 billion parameter experimental merge model, built by nightmedia, that combines multiple specialized Qwen3.5-9B variants using Numerical Spherical Linear Interpolation (NuSLERP). Optimized for local sovereignty and complex logical orchestration on Apple Silicon, it excels at tasks requiring stateful contextual memory and integrates capabilities from UI automation, procedural coding, and general intelligence. This model is designed to develop an 'Implicit Inner State' by compressing divergent hidden networks, allowing it to 'think in concepts' rather than explicit token strings, making it particularly suited for persistent, stateful local agent architectures.

Loading preview...

Qwen3.5-9B-Theseus: An Experiment in Sovereign AI

nightmedia/Qwen3.5-9B-Theseus is a 9 billion parameter experimental merge model, developed by nightmedia, that leverages Numerical Spherical Linear Interpolation (NuSLERP) to combine capabilities from several specialized Qwen3.5-9B variants. This unique architecture is designed for absolute local sovereignty, stateful contextual memory systems, and complex logical orchestration, optimized to run entirely on Apple Silicon hardware without cloud dependencies.

Key Capabilities

  • Emergent Implicit Inner State: Through NuSLERP, Theseus compresses multiple divergent hidden networks, transitioning to an 'Implicit Inner State' where reasoning is integrated natively in the latent space, allowing it to 'think in concepts' rather than explicit token strings.
  • Enhanced Reasoning: Achieves significant improvements on complex reasoning tasks, jumping over 10 full accuracy percentage points ahead of the stock base model on benchmarks like ARC-Challenge and HellaSwag.
  • Specialized Integration: Rescues and re-inflates hyper-specialized downstream capabilities, including UI automation and procedural coding, onto a high-dimensional general intelligence core.
  • Designed for Stateful Agents: Serves as a core engine for persistent, stateful local agent architectures, dynamically adapting its token arrays based on 'lived historical experience' and continuous training loops, akin to the mythological Ship of Theseus.

Good For

  • Local-first AI Applications: Ideal for developers building applications that require complete data sovereignty and operate without cloud dependencies.
  • Complex Agentic Workflows: Suited for orchestrating intricate, multi-step tasks that benefit from stateful memory and dynamic personality configurations.
  • Research into Emergent Cognition: Provides a platform for exploring how models develop continuous identity and adapt through interaction with local environments.
  • Apple Silicon Optimization: Specifically engineered for efficient performance on Apple Silicon hardware.