qwen3-coder-30b-a3b-instruct
Qwen3-Coder-30B-A3B-Instruct is a 30.5B-parameter Mixture-of-Experts model with 128 experts (8 active per forward pass) for code generation, repository-scale understanding and agentic tool use.
Pricing: Input 30 credits / 1M tokens (≈ $0.15), Output 120 credits / 1M tokens (≈ $0.60).
Prices updated
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Qwen3 Coder 30B A3B Instruct API on ModelFold
Qwen3-Coder-30B-A3B-Instruct is a 30.5B-parameter Mixture-of-Experts model with 128 experts (8 active per forward pass) for code generation, repository-scale understanding and agentic tool use. Try Qwen3 Coder 30B A3B Instruct in the ModelFold Playground, then call it from your own code through an OpenAI-compatible chat completions API.
What Is the Qwen3 Coder 30B A3B Instruct API
Qwen3 Coder 30B A3B Instruct at a glance
Qwen3 Coder 30B A3B Instruct is a chat model from Qwen. It accepts text as input and returns text, with a context window of up to 262K tokens.
Use it without hosting anything
On ModelFold you call Qwen3 Coder 30B A3B 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 Qwen3 Coder 30B A3B Instruct
Up to 262K 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
Qwen3 Coder 30B A3B 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 Qwen3 Coder 30B A3B Instruct on ModelFold
- 1
Step 1: Try it in the Playground
Open the Playground at the top of this page, type a prompt and see how Qwen3 Coder 30B A3B Instruct responds before writing any code.
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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.
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Step 3: Send a request
Call POST https://modelfold.ai/v1/chat/completions with "model": "qwen3-coder-30b-a3b-instruct" and your messages. Existing OpenAI-compatible SDKs work by changing the base URL and key.
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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 Qwen3 Coder 30B A3B 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.
High-volume pipelines
Run classification, extraction, rewriting and batch jobs at scale where cost per request matters.
Tool-calling backends
Route requests, call functions and chain API calls as the worker model inside larger agent systems.
Autonomous agents
Build agents that plan multi-step tasks, call your tools and APIs, and keep working toward a goal across long sessions.
Frequently Asked Questions
What is Qwen3 Coder 30B A3B Instruct?⌄
Qwen3-Coder-30B-A3B-Instruct is a 30.5B-parameter Mixture-of-Experts model with 128 experts (8 active per forward pass) for code generation, repository-scale understanding and agentic tool use.
Which inputs does Qwen3 Coder 30B A3B Instruct support?⌄
Qwen3 Coder 30B A3B 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 Qwen3 Coder 30B A3B Instruct?⌄
Up to 262K tokens, shared between your input and the model’s output.
Does Qwen3 Coder 30B A3B Instruct support function calling?⌄
Yes. Qwen3 Coder 30B A3B Instruct supports tools / function calling through the standard tools parameter of the chat completions API.
How is Qwen3 Coder 30B A3B 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 Qwen3 Coder 30B A3B Instruct through the API?⌄
Send a POST request to https://modelfold.ai/v1/chat/completions with "model": "qwen3-coder-30b-a3b-instruct", using your ModelFold API key as the Bearer token.
| Input | 30 credits 1M tokens≈ $0.15 |
| Output | 120 credits 1M tokens≈ $0.60 |
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 →curl https://modelfold.ai/v1/chat/completions \
-H "Authorization: Bearer $MODELFOLD_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"qwen3-coder-30b-a3b-instruct","messages":[{"role":"user","content":"Hello"}]}'