add support for qwen3-base variants

[andytwigg]

add support for qwen3-base variants

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[gemini-code-assist]

Summary of Changes

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This pull request extends the Qwen3 model definitions by introducing dedicated class methods for 'base' variants across various model sizes. This enhancement provides explicit support and easier access for these specific model configurations within the tunix framework, ensuring compatibility and clarity for users working with different Qwen3 versions.

Highlights

• New Qwen3 Model Variants: Added class methods to support 'base' variants for several Qwen3 models, including 0.6B, 1.7B, 4B, 8B, 14B, and 32B versions.

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Changelog

• tunix/models/qwen3/model.py
  • Added class methods for qwen3-base variants (e.g., qwen3_0p6b_base, qwen3_1p7b_base, etc.) which delegate to their non-base counterparts.

Activity

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Code Review

This pull request adds support for qwen3-base model variants by introducing new class methods in ModelConfig that serve as aliases for the existing model configurations. The implementation is straightforward. My feedback focuses on improving the conciseness and maintainability of these aliases by using a more idiomatic Python approach, which reduces code repetition.