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Multimodal model

BTL-4

BTL-4 is Bad Theory Labs’ open 35B agentic reasoning model for tool use, software engineering, long-context work, and execution-grounded coding tasks.

Bad Theory Labs Multimodal Open weights apache-2.0
Open model card ↗
Type
Multimodal
Weights
Open
Downloads
654
Likes
85
Pipeline
text generation
License
apache-2.0

Model hub

badtheorylabs/BTL-4

Repo
badtheorylabs/BTL-4
Library
transformers
Access
Public
Technical tags and languages
transformers safetensors qwen3_5_moe image-text-to-text agentic tool-use code reasoning text-generation conversational endpoints_compatible
Open on Hugging Face

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About Bad Theory Labs

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Independent AI research and product lab building open-weight models, agent infrastructure, inference runtimes, memory systems, benchmarks, and local AI agents.