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OpenKey

Qwen3 Coder Flash

QwenReleased Sep 17, 2025

Qwen3 Coder Flash is Alibaba's fast and cost efficient version of their proprietary Qwen3 Coder Plus. It is a powerful coding agent model specializing in autonomous programming via tool calling...

Try in playground
Context window
1M tokens
Max output
66K tokens
Input
text
Output
text
Tokenizer
Qwen3
Knowledge cutoff
Jun 30, 2025
Released
Sep 17, 2025

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.195$0.0059$0.201
Output$0.975$0.029$1.00
Cache read$0.039$0.0012$0.040
Cache write$0.244$0.0073$0.251

Supported parameters

  • logprobs
  • max_tokens
  • presence_penalty
  • response_format
  • seed
  • temperature
  • tool_choice
  • tools
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model qwen/qwen3-coder-flash.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3-coder-flash",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="qwen/qwen3-coder-flash",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "qwen/qwen3-coder-flash",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Qwen3 Coder Flash cost via API?
Through OpenKey, Qwen3 Coder Flash costs $0.201 per 1M input tokens and $1.00 per 1M output tokens. That is the provider price ($0.195 / $0.975) plus a flat 3% fee — nothing else.
What is Qwen3 Coder Flash's context window?
Qwen3 Coder Flash accepts up to 1M tokens of context and returns up to 66K tokens per request.
Is Qwen3 Coder Flash OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "qwen/qwen3-coder-flash" using any OpenAI SDK — only the base URL and API key change.
What inputs does Qwen3 Coder Flash support?
Qwen3 Coder Flash accepts text input and produces text output. Its knowledge cutoff is Jun 30, 2025.

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