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Qwen3.8 Flash API on AvalAI

qwen3.8-flash

Qwen3.8 Flash is an AI model from Alibaba that is available through AvalAI's OpenAI-compatible API.

Open dashboardCompare

Price display scale

Input price$0.15 / 1M tokens

Output price$0.47 / 1M tokens

Context window991,000 tokens

Maximum output128,000 tokens

Release date2026-08-26

Use Qwen3.8 Flash with the AvalAI API

Keep the API key in an environment variable and send requests from server-side code.

Bash

curl https://api.avalai.ir/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $AVALAI_API_KEY" \
  -d '{"model": "qwen3.8-flash", "messages": [{"role": "user", "content": "Give a concise, practical solution."}]}'

Python

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AVALAI_API_KEY"],
    base_url="https://api.avalai.ir/v1",
)

response = client.chat.completions.create(
    model="qwen3.8-flash",
    messages=[{"role": "user", "content": "Give a concise, practical solution."}],
)

print(response.choices[0].message.content)

JavaScript

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.AVALAI_API_KEY,
  baseURL: "https://api.avalai.ir/v1",
});

const response = await client.chat.completions.create({
  model: "qwen3.8-flash",
  messages: [{ role: "user", content: "Give a concise, practical solution." }],
});

console.log(response.choices[0].message.content);

Create an API keyRead the quickstart

Capabilities and endpoints

• Function calling
• Reasoning
• Tool choice
• Video input
• Vision

Third-party model parameters

Third-party reference data does not change AvalAI endpoint support; use the capabilities and endpoints above.

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

Qwen3.8 Flash rate limits

Tier	RPM	TPM
Basic	3	40,000
Tier 1	20	500,000
Tier 2	150	2,000,000
Tier 3	350	4,000,000
Tier 4	750	8,000,000
Tier 5	1,500	20,000,000

AvalAI and reference marketplace pricing

Token role	AvalAI final price0% platform fee	OpenRouter cost breakdown
		Model rate	Credit purchase fee	Effective OpenRouter cost after fee
Input price	$0.15 / 1M tokens	$0.15 / 1M tokens	5.5%	$0.16 / 1M tokens
Output price	$0.47 / 1M tokens	$0.47 / 1M tokens	5.5%	$0.50 / 1M tokens

AvalAI pricing is final with a 0% platform fee. The effective OpenRouter prices add its 5.5% credit purchase fee to the highest reported model rate, including long-context tiers. OpenRouter charges a 5.5% fee when credits are purchased ($0.80 minimum), so small credit purchases can have a higher effective cost. OpenRouter FAQ

Third-party model data

Source: OpenRouter

Independent sources supplement this context; AvalAI remains authoritative for pricing, availability, and endpoint support.

Reviewed snapshot 2026-09-03

Provider count

—

Context window range

1,000,000

Maximum output range

131,072

OpenRouter model input rate range

$0.15 / 1M

OpenRouter model output rate range

$0.47 / 1M

OpenRouter fee

5.5% credit purchase fee · OpenRouter fee details

Effective input price range after fee

$0.1582 / 1M

Effective output price range after fee

$0.4958 / 1M

Related models

• Qwen3.8 Max
• Qwen3.8 27B
• Qwen3.8 2.4T A95B
• Qwen3.7 Plus

Frequently asked questions

What is the Qwen3.8 Flash API on AvalAI?

Create an AvalAI API key and send the model ID qwen3.8-flash to one of the supported endpoints shown on this page.

How much does the Qwen3.8 Flash API cost on AvalAI?

The Qwen3.8 Flash API on AvalAI costs $0.15 per 1M input tokens and $0.47 per 1M output tokens.

What is the token cost for Qwen3.8 Flash?

Current AvalAI pricing for Qwen3.8 Flash is $0.15 / 1M tokens for input and $0.47 / 1M tokens for output.

What is the Qwen3.8 Flash context window?

The recorded maximum input context for Qwen3.8 Flash is 991,000 tokens.

What are the rate limits for Qwen3.8 Flash on AvalAI?

On tier 5, Qwen3.8 Flash on AvalAI supports up to 1,500 requests per minute and 20,000,000 tokens per minute.

What features does Qwen3.8 Flash support on AvalAI?

Qwen3.8 Flash on AvalAI supports Function calling, Reasoning, Tool choice, Video input, Vision.

What account tier is required to use Qwen3.8 Flash on AvalAI?

Calling Qwen3.8 Flash on AvalAI requires the Basic tier (tier 0) or higher.

Third-party data and freshness

• Pricing, availability, endpoints, and rate limits: AvalAI structured data (authoritative)
• OpenRouter marketplace · Last checked: 2026-09-03