syedahmedsoftware/broken-model-fixed

TEXT GENERATIONConcurrency Cost:1Model Size:8BQuant:FP8Ctx Length:32kPublished:Feb 2, 2026License:apache-2.0Architecture:Transformer Open Weights Cold

The syedahmedsoftware/broken-model-fixed is an 8 billion parameter Qwen2-based causal language model, developed by syedahmedsoftware, with a 32768 token context length. This model provides essential metadata fixes to the original 'broken-model', enabling stable and deterministic chat inference and production-safe batching. It is specifically designed for compatibility with OpenAI-style /chat/completions API servers, making it deployable in real inference environments.

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Overview

The syedahmedsoftware/broken-model-fixed is an 8 billion parameter model that addresses critical metadata issues found in the original yunmorning/broken-model. These fixes are minimal and production-safe, ensuring the model can be reliably used behind an OpenAI-compatible /chat/completions API server without modifying any model weights.

Key Fixes & Capabilities

This model resolves two primary issues that caused inference failures and instability in the original version:

  • Deterministic Chat Formatting: The tokenizer_config.json was updated to include a ChatML-style chat_template. This ensures that chat messages are rendered correctly and consistently, preventing undefined behavior in /chat/completions servers.
  • Production-Safe Batching: The config.json and generation_config.json were corrected to define a valid pad_token_id that matches the tokenizer's pad token. This is crucial for safe batched decoding and attention masking, which are essential for stable production inference.

What's Unique

Unlike other models that focus on architectural or training improvements, this model's uniqueness lies in its metadata-level repair. It transforms an unusable model into a deployable one by correcting configuration details, making it compatible with standard OpenAI-style API interfaces. It clarifies that concepts like reasoning_effort are not natively interpreted by the base model and require explicit runtime orchestration to be meaningful.

Good For

  • Developers needing a stable 8B parameter model for OpenAI-style chat applications.
  • Environments requiring production-safe batching and deterministic chat inference.
  • Use cases where compatibility with existing OpenAI API infrastructure is paramount.