Cactus Hybrid: We taught Gemma 4 to know when it's wrong
Summary
Google's Gemma 4 model has been enhanced to recognize when it is incorrect, improving its calibration and reliability.
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Show HN: Cactus Hybrid: We taught Gemma 4 to know when it's wrong
Cactus Hybrid is a post-trained Gemma 4 model that outputs confidence scores, allowing on-device inference with routing to larger models when confidence is low, achieving performance comparable to Gemini 3.1 Flash-Lite with minimal calls to the larger model.
Google Gemma 4 12B
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@MiaAI_lab: I fine-tuned Gemma 4 12B with Fable-5 style reasoning and assistant traces and released it as Gemmable 4 12b. **Availab…
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Google DeepMind releases Gemma 4, a frontier multimodal model family available on Hugging Face with Apache 2 licensing, optimized for on-device deployment and supported by various inference libraries.