How to use from the
Use from the
llama-cpp-python library
# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="spectator2026/Infinity-Parser2-Flash-GGUF",
	filename="",
)
llm.create_chat_completion(
	messages = [
		{
			"role": "user",
			"content": [
				{
					"type": "text",
					"text": "Describe this image in one sentence."
				},
				{
					"type": "image_url",
					"image_url": {
						"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
					}
				}
			]
		}
	]
)

Infinity-Parser2-Flash — Q6_K GGUF (+ vision mmproj)

A Q6_K GGUF quantization of infly/Infinity-Parser2-Flash for llama.cpp / llama-server, so the model runs on a single consumer GPU (validated on an RTX 3080 Ti, 12 GB) without vLLM. 4.2 GB bf16 → **1.5 GB** Q6_K weights (+ 0.67 GB f16 vision projector).

The base is a Qwen3.5-architecture vision-language model for document understanding: OCR, layout analysis, tables→HTML, charts→JSON, formulas→LaTeX, and Markdown conversion (EN/ZH).

Files

File What
Infinity-Parser2-Flash-Q6_K.gguf Q6_K-quantized weights (imatrix)
Infinity-Parser2-Flash-mmproj-f16.gguf f16 multimodal projector — required for image input

Method

convert_hf_to_gguf → f16 GGUF → llama-quantize Q6_K with an importance matrix computed from a clean native-PDF document corpus (~519 k tokens). (llama-imatrix is text-only; the mmproj carries the vision tower at serve time.)

Quality (VLMEvalKit, vs published bf16)

Benchmark bf16 Q6_K GGUF
DocVQA (val) 93.80 93.63
OCRBench 84.3 82.8
MMStar / MMBench ref ≥ bf16

Effectively lossless for the 6-bit quant. The small OCRBench dip is not the quantization — an f16 GGUF on the same stack scores ≈ 83.0 ≈ Q6_K's 82.8, so the residual gap is the llama.cpp vision preprocessing (candle CLIP), not the 6-bit weights.

Serving (llama.cpp)

llama-server \
  --model Infinity-Parser2-Flash-Q6_K.gguf \
  --mmproj Infinity-Parser2-Flash-mmproj-f16.gguf \
  --ctx-size 32768 --n-gpu-layers 99 \
  --host 0.0.0.0 --port 8105

OpenAI-compatible /v1/chat/completions with image_url content. Notes:

  • Reasoning-capable model: output may arrive in the reasoning_content channel (llama.cpp routes the think block there) — read it accordingly, or disable thinking.
  • A 16 MP page ≈ 15.6 K vision tokens, so --ctx-size 32768 comfortably fits one page + output.

Quantized by @spectator2026. Original model © infly, Apache-2.0 — see the base model card.

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