Question 1

What is Qwen 2.5 72B?

Accepted Answer

Qwen 2.5 72B is a large language model from Alibaba, released on 19 September 2024. Apache 2.0 open weights — strong multilingual + math.

Question 2

When was Qwen 2.5 72B released?

Accepted Answer

Qwen 2.5 72B was released by Alibaba on 19 September 2024.

Question 3

How much does Qwen 2.5 72B cost?

Accepted Answer

Qwen 2.5 72B costs $0.40 per 1 million input tokens and $0.40 per 1 million output tokens via Alibaba’s API. At a typical 3:1 input/output ratio the blended cost works out to about $0.40 per 1M tokens.

Question 4

How smart is Qwen 2.5 72B?

Accepted Answer

Qwen 2.5 72B scores 62 out of 100 on our intelligence index — a capable mid-tier composite of MMLU, MMLU Pro, GPQA, MATH and HumanEval benchmark scores. That places it #17 of 22 language models we track.

Question 5

What is the context window of Qwen 2.5 72B?

Accepted Answer

Qwen 2.5 72B has a 128k-token context window — roughly 96,000 words of text. That’s what you can fit into a single request (your prompt plus all uploaded documents and the model’s response combined).

Question 6

What is Qwen 2.5 72B best for?

Accepted Answer

Qwen 2.5 72B is most useful for self-hosting and chinese / multilingual apps. Its key strengths are open weights, strong on chinese and great on math.

Question 7

How fast is Qwen 2.5 72B?

Accepted Answer

Qwen 2.5 72B generates around 55 output tokens per second with a typical time-to-first-token of 500 ms on the major API providers. Reasoning models that "think" before answering will appear slower on tokens-per-second since they spend time on internal chain-of-thought.

Question 8

Is Qwen 2.5 72B better than DeepSeek R1?

Accepted Answer

DeepSeek R1 scores higher on our intelligence index (73 vs 62), so on the hardest tasks DeepSeek R1 typically wins. Qwen 2.5 72B can still be the better pick on price, latency or specific capabilities. See our full Qwen 2.5 72B vs DeepSeek R1 comparison at /ai-models/compare/deepseek-r1-vs-qwen-2-5-72b/.

Question 9

What is the best alternative to Qwen 2.5 72B?

Accepted Answer

The closest alternatives to Qwen 2.5 72B are DeepSeek R1, DeepSeek V3 and Llama 3.3 70B. Each shares most of Qwen 2.5 72B’s use-cases — pick by price, context window or specific capability rather than headline intelligence.

Question 10

Is Qwen 2.5 72B open source?

Accepted Answer

Yes. Qwen 2.5 72B is open-source — the weights are publicly available, and you can self-host it or use a hosted provider (Together, Fireworks, Groq, Replicate). Some open-source licenses include usage caveats; check the model’s license file before deploying.

Question 11

Can I use Qwen 2.5 72B for free?

Accepted Answer

Yes — Qwen 2.5 72B is open-source, so you can run it locally for free. Hosted APIs are paid.

Qwen 2.5 72B

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