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OpenKey

Qwen3 8B

QwenReleased Apr 28, 2025

Qwen3-8B is a dense 8.2B parameter causal language model from the Qwen3 series, designed for both reasoning-heavy tasks and efficient dialogue. It supports seamless switching between "thinking" mode for math,...

Try in playground
Context window
131K tokens
Max output
8K tokens
Input
text
Output
text
Tokenizer
Qwen3
Knowledge cutoff
Mar 31, 2025
Released
Apr 28, 2025
Reasoning
optional

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$0.117$0.0035$0.121
Output$0.455$0.014$0.469

Benchmarks

Artificial Analysis

Intelligence index
8.3
Coding index
9
Agentic index
1.5

Supported parameters

  • include_reasoning
  • max_tokens
  • presence_penalty
  • reasoning
  • response_format
  • seed
  • temperature
  • tool_choice
  • tools
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model qwen/qwen3-8b.

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/qwen3-8b",
    "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/qwen3-8b",
    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/qwen3-8b",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Qwen3 8B cost via API?
Through OpenKey, Qwen3 8B costs $0.121 per 1M input tokens and $0.469 per 1M output tokens. That is the provider price ($0.117 / $0.455) plus a flat 3% fee — nothing else.
What is Qwen3 8B's context window?
Qwen3 8B accepts up to 131K tokens of context and returns up to 8K tokens per request.
Is Qwen3 8B OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "qwen/qwen3-8b" using any OpenAI SDK — only the base URL and API key change.
What inputs does Qwen3 8B support?
Qwen3 8B accepts text input and produces text output. Its knowledge cutoff is Mar 31, 2025.

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