Spark X2.5 4B OptiQ 4bit is an open-source language model by mlx-community. Features: 4b LLM, VRAM: 3GB, Context: 1024K, License: apache-2.0, Quantized, LLM Explorer Score: 0.34.
| LLM Name | Spark X2.5 4B OptiQ 4bit |
| Repository π€ | https://huggingface.co/mlx-community/Spark-X2.5-4B-OptiQ-4bit |
| Base Model(s) | |
| Model Size | 4b |
| Required VRAM | 3 GB |
| Updated | 2026-09-15 |
| Maintainer | mlx-community |
| Model Type | spark2_5 |
| Model Files | |
| Quantization Type | 4bit |
| Model Architecture | Spark2_5ForCausalLM |
| License | apache-2.0 |
| Context Length | 1048576 |
| Model Max Length | 1048576 |
| Transformers Version | 4.57.1 |
| Tokenizer Class | TokenizersBackend |
| Padding Token | <ο½βpadβο½> |
| Vocabulary Size | 131072 |
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| Spark X2.5 4B MLX 8bit | 1024K / 4.4 GB | 858 | 3 |
| Spark X2.5 4B MLX 4bit | 1024K / 2.3 GB | 617 | 2 |
| ...ihui Spark X2.5 4B Abliterated | 1024K / 8.3 GB | 732 | 15 |
| Spark X2.5 4B | 1024K / 8.3 GB | 429 | 106 |
| ...bliterated Uncensored MLX 4Bit | 1024K / 8.2 GB | 1028 | 1 |
| Spark X2.5 4B Hadamard GSQ | 1024K / 4.5 GB | 535 | 2 |
| Spark X2.5 4B NVFP4 | 1024K / 2.8 GB | 318 | 2 |
| BetterWright 4B | 1024K / 8.2 GB | 450 | 6 |
| Spark X2.5 4B FP8 | 1024K / 4.4 GB | 42 | 10 |
| Spark X2.5 4B INT8 | 1024K / 4.5 GB | 35 | 8 |