Skip to content
OpenKey

Qwen3 Next 80B A3B Thinking

QwenReleased Sep 11, 2025

Qwen3-Next-80B-A3B-Thinking is a reasoning-first chat model in the Qwen3-Next line that outputs structured “thinking” traces by default. It’s designed for hard multi-step problems; math proofs, code synthesis/debugging, logic, and agentic...

Try in playground
Context window
262K tokens
Max output
33K tokens
Input
text
Output
text
Tokenizer
Qwen3
Knowledge cutoff
Sep 30, 2025
Released
Sep 11, 2025
Reasoning
always on

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$0.098$0.0029$0.100
Output$0.780$0.023$0.803

Supported parameters

  • frequency_penalty
  • include_reasoning
  • logprobs
  • max_tokens
  • presence_penalty
  • reasoning
  • repetition_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model qwen/qwen3-next-80b-a3b-thinking.

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-next-80b-a3b-thinking",
    "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-next-80b-a3b-thinking",
    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-next-80b-a3b-thinking",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Qwen3 Next 80B A3B Thinking cost via API?
Through OpenKey, Qwen3 Next 80B A3B Thinking costs $0.100 per 1M input tokens and $0.803 per 1M output tokens. That is the provider price ($0.098 / $0.780) plus a flat 3% fee — nothing else.
What is Qwen3 Next 80B A3B Thinking's context window?
Qwen3 Next 80B A3B Thinking accepts up to 262K tokens of context and returns up to 33K tokens per request.
Is Qwen3 Next 80B A3B Thinking OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "qwen/qwen3-next-80b-a3b-thinking" using any OpenAI SDK — only the base URL and API key change.
What inputs does Qwen3 Next 80B A3B Thinking support?
Qwen3 Next 80B A3B Thinking accepts text input and produces text output. Its knowledge cutoff is Sep 30, 2025.

More from Qwen

All Qwen models →