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A state-of-the-art Vision Transformer model for simultaneous age estimation and gender classification, achieving **94.3% gender accuracy** and **4.5 years age MAE** on the UTKFace dataset. ✅ **Issue Resolved:** Model now includes helper functions that return proper age and gender values (not `LABEL_0`/`LABEL_1`) **Important:** These helper functions work correctly. The standard `pipeline()` approach returns `LABEL_0`/`LABEL_1` and should not be used.

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MedEmbed is a family of embedding models fine-tuned specifically for medical and clinical data, designed to enhance performance in healthcare-related natural language processing (NLP) tasks, particularly information retrieval. **GitHub Repo:** https://github.com/abhinand5/MedEmbed **Technical Blog Post:** https://huggingface.co/blog/abhinand/medembed-finetuned-embedding-models-for-medical-ir

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MedEmbed is a family of embedding models fine-tuned specifically for medical and clinical data, designed to enhance performance in healthcare-related natural language processing (NLP) tasks, particularly information retrieval. **Technical Blog Post:** https://huggingface.co/blog/abhinand/medembed-finetuned-embedding-models-for-medical-ir This model is intended for use in medical and clinical contexts to improve information retrieval, question answering, and semantic search tasks. It can be integrated into healthcare systems, research tools, and medical literature databases to enhance search capabilities and information access.

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GGUF builds of `abhishek085/spark-s1-4b-v6` for **llama.cpp**, **Ollama**, LM Studio, Jan and other GGUF runtimes. Part of Open Spark Jev, an open-source project of the Nokast AI community. > **This is not a chat model.** `spark-s1` is a System-1 *decision* model: given a state and a question with a fixed menu of options, the > answer is the probability distribution over the option letters at the **first** generated token. Chatting with it (`ollama run ...`) only > ever produces a single letter. Use it through the logprob recipe below or through the Open Spark Jev gateway. Measured on 200 shuffled rows of the project's locked held-out split (`v5_test_locked`), llama.cpp `llama-server` (CUDA, build `38a5b42`), `/v1/completions` with `top_logprobs=20`, calibrated temperature applied client-side. Ollama 0.40.2 with the Q8_0 file gave the same 99.5% / 0.900. This is a parity check against the HF model, not a new benchmark; the model's own evaluation is on the base model card.

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This repository contains W4A16 quantized versions of Google's Gemma 3 instruction-tuned models, making them more accessible for deployment on consumer hardware while maintaining good performance. - **abhishekchohan/gemma-3-27b-it-quantized-W4A16** - **abhishekchohan/gemma-3-12b-it-quantized-W4A16** - **abhishekchohan/gemma-3-4b-it-quantized-W4A16** These models use W4A16 quantization via LLM Compressor: - Weights quantized to 4-bit precision - Activations use 16-bit precision - Significantly reduced memory requirements

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This repository contains W4A16 quantized versions of Google's Gemma 3 instruction-tuned models, making them more accessible for deployment on consumer hardware while maintaining good performance. These models use W4A16 quantization via LLM Compressor: - Weights quantized to 4-bit precision - Activations use 16-bit precision - Significantly reduced memory requirements

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minimax-h3-int8

abhishekchohan

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The scales were measured on the quantized model itself, not on the BF16 base, because activation-aware smoothing and int4 rounding change the K/V activations the served model actually writes to cache. Calibration replayed the exact same sequences that were used to calibrate the AWQ model: **112 packed sequences × 262,144 tokens (~29.4M tokens)** from the same Nemotron Post-Training v3 SFT blend (instruction-following chat, math, science, agentic code, multilingual), same shuffle seed, rendered with thinking enabled, so the measured KV distribution matches the deployment regime the weights were tuned for, at the exact context length the model serves at. While the model processed those sequences, we tracked the running maximum absolute value of the K states (after QK-norm) and V states each of the 16 global attention layers writes to the cache. Each scale is `amax / 448` (the fp8-e4m3 representable maximum), symmetric, per tensor, so no cached value can clip. The result is 32 per-layer scalars (`k_scale` / `v_scale`). Only the 16 global attention layers accumulate KV; the 48 DeltaNet linear-attention layers carry recurrent state and have no KV scales.

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A 4-bit weight-only **GPTQ** quantization of **Qwen/Qwen3.8-27B** with an **fp8-e4m3 KV cache calibrated alongside the weights**. INT4 weights shrink the footprint ≈2.8× and fp8 KV halves the cache, so the model serves its native **262,144-token** context on a **single 48 GB GPU**. fp8 KV also makes YaRN extension to **524,288 tokens** fit the same card, and up to 1M tokens on 96 GB (retrieval beyond 262k unvalidated). Identical harness and hardware for base and quantized: lm-evaluation-harness with the vLLM 0.27.1 backend on a single NVIDIA RTX PRO 6000 (Blackwell, 96 GB), greedy decoding, seed 1234. The base runs with bf16 KV and the quantized model with fp8-e4m3 KV, each at its recommended serving configuration, so every Δ measures the full int4 + fp8-KV stack rather than weights alone. Generative tasks run with the model's native chat template, thinking enabled, `max_gen_toks=8192`; loglikelihood tasks run untemplated. `minerva_math500` reports `math_verify`, since strict `exact_match` measures answer format, not content, on thinking-model outputs. The BF16 base scores identically (9/9), showing no retrieval degradation through the int4 + fp8-KV stack at the context length it was calibrated at.

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COST EXPLORER

好模型,也要算好成本。

费用分析

调整月度 Token 用量,直观比较不同模型的预估 API 开支。

1 M = 100 万 Token · 美元计价
仅比较同一渠道的基础文本 Token 报价

使用已采集且单位可比的 USD / 百万 Token 渠道报价。报价为采集时快照;不计缓存优惠、阶梯价、推理额外输出与税费,请以来源的当前报价为准。

MODEL HANDBOOK

读懂模型,再做选择

选型与常见问题
API 价格应该怎么比较?+

先区分输入、输出和缓存价格,再使用同一任务和用量估算总费用。图像、音频和视频可能按张、时长或分辨率计费,不能直接与 Token 单价比较。

开放权重,就代表可以免费商用吗?+

不一定。必须逐一核对具体模型版本的许可证、商用限制及使用政策。自己部署还需要考虑显存、推理资源和运维费用。

排行榜第一,就是最适合我的模型吗?+

榜单取决于测试任务、版本与评测方法。建议用实际业务样本比较准确性、时延、稳定性和成本,再选择模型。

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