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Qwen2.5 72B Instruct

qwen | 32,768 token context | $0.36/M input, $0.40/M output. Qwen2.5 72B is the latest series of Qwen large language models. Qwen2.5 brings the following improvements upon Qwen2: Significantly more knowledge and has greatly improved capabilities in coding and mathematics, thanks to our specialized expert models in these domains. Significant improvements in instruction following, generating long texts (over 8K tokens), understanding structured data (e.g, tables), and generating structured outputs especially JSON. More resilient to the diversity of system prompts, enhancing role-play…qwen | 32,768 token context | $0.36/M input, $0.40/M output. Qwen2.5 72B is the latest series of Qwen large language models. Qwen2.5 brings the following improvements upon Qwen2: Significantly more knowledge and has greatly improved capabilities in coding and mathematics, thanks to our specialized expert models in these domains. Significant improvements in instruction following, generating long texts (over 8K tokens), understanding structured data (e.g, tables), and generating structured outputs especially JSON. More resilient to the diversity of system prompts, enhancing role-play implementation and condition-setting for chatbots. Long-context Support up to 128K tokens and can generate up to 8K tokens. Multilingual support for over 29 languages, including Chinese, English, French, Spanish, Portuguese, German, Italian, Russian, Japanese, Korean, Vietnamese, Thai, Arabic, and more. Usage of this model is subject to Tongyi Qianwen LICENSE AGREEMENTOpens in new tab.

Guides for this model
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Qwen2.5 72B Instruct is Alibaba's flagship open-weights instruction model, sitting at the top of the Qwen2.5 family. It stands out for strong coding and math, reliable JSON output, and genuine multilingual reach across 29 languages. If you want a capable, self-hostable model that handles structured tasks without constant coaxing, this is a serious option.

Known for

  • Strong coding and mathematics, reinforced by specialized training data
  • Reliable structured output, especially JSON and table understanding
  • Multilingual across 29 languages including Arabic, Japanese and Korean
  • Handles long generations up to 8K tokens without trailing off
  • Resilient to varied system prompts; behaves well in roleplay and chatbot setups

Watch out for

  • Default config caps context at 32K; reaching 128K requires manual YaRN configuration.
  • The Tongyi Qianwen licence applies — not a standard open-source licence; check commercial terms.
  • 72B means serious VRAM requirements for local use; plan for multi-GPU or quantised weights.

Prompts to try

Debug and explain code
Here is a Python function that is supposed to parse a CSV file and return a list of dicts, but it silently drops rows when a field contains a comma inside quotes. Find the bug, fix it, and explain in plain terms why the original failed.
Extract structured JSON
Read the following unstructured meeting notes and return a JSON object with keys: date, attendees (array), decisions (array), and action_items (array with owner and deadline for each). Notes: 'March 3rd catch-up. Sarah, Tom, and Priya. We agreed to launch the beta on March 20th. Tom will update the docs by March 10th. Priya handles user comms by March 15th.'
Multilingual translation check
Translate the following English product disclaimer into French, Spanish, and Arabic. Then review each translation for any term that might carry an unintended legal or cultural meaning in that market, and flag it with a brief note. Text: 'Results may vary. This product is not intended to diagnose, treat, cure, or prevent any disease.'

Compare with

More text models from qwen

Questions people ask

Can I run Qwen2.5 72B locally?
Yes, the weights are open and available on Hugging Face under the Tongyi Qianwen licence. At 72B parameters you will need substantial VRAM — quantised GGUF versions reduce the hardware requirement considerably.
What does it cost and how much context does it support?
Via API it runs $0.36 per million input tokens and $0.40 per million output tokens. The model supports up to 128K tokens of context, though the default configuration is set to 32K and extending it requires enabling YaRN in the config.
How does the 72B differ from smaller Qwen2.5 models?
Qwen2.5 ranges from 0.5B to 72B; the 72B is the largest and most capable, with the best performance on coding, math and structured output tasks — the smaller variants trade capability for speed and lower hardware cost.
Captain's verdict
A well-rounded open-weights workhorse that earns its size on structured tasks, code and multilingual work — just sort out the licence before shipping.
Model card on Hugging Face
Captain writes these notes from the model's own description and model card. Prices and context sizes are the provider's at the time of writing and can change.
Ranking badge
Updated Oct 22, 2026
Qwen2.5 72B Instruct on ModelTrends.ai: Heat 2,591°
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