Model reference · open weights

olmOCR-0825

LLMs allenai Vision + text 1 build Open weights 18k dl/mo

olmOCR-0825 is an open-weight language model from allenai. olmOCR-7B-0825-FP8 (FP8) weighs 10.1 GB; the smallest configuration that runs it is RTX 4060 Ti 16 GB.

  • olmOCR-0825 is an 8.3B parameter image-text-to-text model developed by Allen AI.
  • It is a fine-tuned version of Qwen2.5-VL-7B-Instruct, quantized to FP8, and designed to process single document images for research and educational use.
  • The model supports a context length of 128,000 tokens, operates in English, and is distributed under the Apache 2.0 license.

Summary of the allenai/olmOCR-7B-0825-FP8 model card, 2026-10-01

What it is

Released byallenai
Released2025-08-13
Parameters8.3B
VRAM10.1 GB for the weights

What it runs on

Memory and cards for olmOCR-7B-0825-FP8 (FP8)

10.1 GBweights, file size
57 MBcache per 1K tokens
2.1 GBruntime overhead, at least
128,000 tokenscontext max
CardRequests at onceContext maxMemory
8K each32K each
RTX 3060 12 GB———11.6 GB
RTX 4060 Ti 16 GB6155K15.4 GB
RTX 3090 24 GB
FP8 without its speed-up here
235all 125K23.4 GB
RTX 4090 24 GB235all 125K23.4 GB
RTX 5090 32 GB4010all 125K31.0 GB
L40S 48 GB6716all 125K44.0 GB
A100 80 GB
FP8 without its speed-up here
14035all 125K78.2 GB
H100 80 GB13032all 125K78.1 GB
RTX PRO 6000 Blackwell 96 GB16441all 125K93.8 GB
DGX Spark (GB10) 128 GB unified19348all 125K107 GB
H200 141 GB25864all 125K138 GB
B200 180 GB33784all 125K176 GB
2× RTX 3060 12 GB
tensor parallel · FP8 without its speed-up here
194all 125K11.6 GB a card
2× RTX 4060 Ti 16 GB
tensor parallel
358all 125K15.4 GB a card
Memory needed at each load
Requests at once8K tokens each32K tokens each
112.6 GB14.0 GB
514.5 GB21.5 GB
815.9 GB27.2 GB
1619.7 GB42.2 GB
3227.2 GB72.3 GB
6442.2 GB132 GB

One card, with vLLM's small-card settings.

From the model card

What allenai says about olmOCR-0825

Read the model card

Quantized to FP8 Version of olmOCR-7B-0825, using llmcompressor.

This is a release of the olmOCR model that's fine tuned from Qwen2.5-VL-7B-Instruct using the olmOCR-mix-0225 dataset.

Quick links:

The best way to use this model is via the olmOCR toolkit. The toolkit comes with an efficient inference setup via sglang that can handle millions of documents at scale.

Usage

This model expects as input a single document image, rendered such that the longest dimension is 1288 pixels.

The prompt must then contain the additional metadata from the document, and the easiest way to generate this is to use the methods provided by the olmOCR toolkit.

License and use

olmOCR is licensed under the Apache 2.0 license. olmOCR is intended for research and educational use. For more information, please see our Responsible Use Guidelines.

Quoted from the model card on Hugging Face. The full card is behind the Hugging Face link above.

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