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qwen-2-5-72b-instruct

⚡ Run with API

Qwen2.5 72B Instruct is the 72B instruction-tuned model of the Qwen2.5 series, which brings significantly more knowledge and much stronger coding than Qwen2.

Pricing: Input 72 credits / 1M tokens (≈ $0.36), Output 80 credits / 1M tokens (≈ $0.40).

Prices updated

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This demo page does not include the full memory features of the client. For the complete experience, please use the client or the CLI.

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README
Complete guide to using Qwen2.5 72B Instruct

Qwen2.5 72B Instruct API on ModelFold

Qwen2.5 72B Instruct is the 72B instruction-tuned model of the Qwen2.5 series, which brings significantly more knowledge and much stronger coding than Qwen2. Try Qwen2.5 72B Instruct in the ModelFold Playground, then call it from your own code through an OpenAI-compatible chat completions API.

What Is the Qwen2.5 72B Instruct API

Qwen2.5 72B Instruct at a glance

Qwen2.5 72B Instruct is a chat model from Qwen. It accepts text as input and returns text, with a context window of up to 33K tokens.

Use it without hosting anything

On ModelFold you call Qwen2.5 72B Instruct with a single API key — no model weights to download and no inference servers to run. The same key also works for the other chat, image, video and audio models on ModelFold.

Core Capabilities of Qwen2.5 72B Instruct

Up to 33K tokens of context

Keep long conversations, large documents and sizeable code in a single request, so the model can reason over the full material instead of fragments.

Function calling

Qwen2.5 72B Instruct supports tool (function) calling: describe your functions in the request and the model returns structured calls your code can run — the basis for agents and integrations.

Structured outputs

Ask for JSON that follows a schema (response_format), which makes extraction, classification and system integrations more reliable.

How to Use Qwen2.5 72B Instruct on ModelFold

  1. 1

    Step 1: Try it in the Playground

    Open the Playground at the top of this page, type a prompt and see how Qwen2.5 72B Instruct responds before writing any code.

  2. 2

    Step 2: Create an API key

    Sign in to ModelFold and create an API key in the console. Keep it secret and send it as a Bearer token.

  3. 3

    Step 3: Send a request

    Call POST https://modelfold.ai/v1/chat/completions with "model": "qwen-2-5-72b-instruct" and your messages. Existing OpenAI-compatible SDKs work by changing the base URL and key.

  4. ✓

    Step 4: Ship and monitor

    Integrate the response into your product and check token usage and spend for every call in the console logs.

What You Can Build with Qwen2.5 72B Instruct

AI coding assistants

Generate, explain, debug and refactor code, review pull requests and work through multi-file changes in developer tools and IDE plugins.

Multilingual products

Serve users in many languages with translation, localized support replies and cross-language search.

Writing and content

Draft, edit and translate articles, emails, product copy and documentation in a consistent tone.

Tool-calling backends

Route requests, call functions and chain API calls as the worker model inside larger agent systems.

Frequently Asked Questions

What is Qwen2.5 72B Instruct?⌄

Qwen2.5 72B Instruct is the 72B instruction-tuned model of the Qwen2.5 series, which brings significantly more knowledge and much stronger coding than Qwen2.

Which inputs does Qwen2.5 72B Instruct support?⌄

Qwen2.5 72B Instruct accepts text and returns text. Through ModelFold you send text messages; documents attached in the Playground are converted to text.

How long is the context window of Qwen2.5 72B Instruct?⌄

Up to 33K tokens, shared between your input and the model’s output.

Does Qwen2.5 72B Instruct support function calling?⌄

Yes. Qwen2.5 72B Instruct supports tools / function calling through the standard tools parameter of the chat completions API.

How is Qwen2.5 72B Instruct billed on ModelFold?⌄

Pay as you go by tokens: input and output tokens are charged at the per-million-token prices shown on this page. There is no monthly fee, and failed requests are not charged.

How do I call Qwen2.5 72B Instruct through the API?⌄

Send a POST request to https://modelfold.ai/v1/chat/completions with "model": "qwen-2-5-72b-instruct", using your ModelFold API key as the Bearer token.

Rate card
Input72 credits 1M tokens≈ $0.36
Output80 credits 1M tokens≈ $0.40

Billed per token: input and output are priced separately, and thinking tokens count as output. The Playground charges exactly the same way.

Read API docs →AI Agents · Claude Code / Cursor / Trae →
Quick start
POST/v1/chat/completions
curl https://modelfold.ai/v1/chat/completions \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"qwen-2-5-72b-instruct","messages":[{"role":"user","content":"Hello"}]}'