LLM Reference

Qwen3.5-Flash on Vercel AI Gateway

Qwen3.5 · Alibaba

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Last refreshed 2026-05-22. Next refresh: weekly.

Why use Qwen3.5-Flash on Vercel AI Gateway?

Vercel AI Gateway offers Qwen3.5-Flash with pay-as-you-go pricing at $0.10/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.

Compare Qwen3.5-Flash across 3 providers to find the best fit for your use case
Input / 1M
$0.10
Output / 1M
$0.40
Cache
read $0.001
Batch
Not sourced

Setup recipe

Python + curl
Install
pip install openai
Auth
export AI_GATEWAY_API_KEY=...
Call
import os
from openai import OpenAI
client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
Model ID
alibaba/qwen3.5-flash

Request example

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="alibaba/qwen3.5-flash",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • Use provider model ID "alibaba/qwen3.5-flash", not the LLMReference slug "qwen3.5-flash".
  • creator/model-name e.g. kwaipilot/kat-coder-pro-v2
  • The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.

Compare Qwen3.5-Flash Across Providers

ProviderInput (per 1M)Output (per 1M)
Alibaba Cloud PAI-EAS$0.10$0.40
OpenRouter$0.07$0.26
Vercel AI Gateway$0.10$0.40

Pricing

TypePrice (per 1M)
Input tokens$0.10
Output tokens$0.40

Capabilities

Multimodal

About Qwen3.5-Flash

Qwen3.5-Flash is a fast, cost-effective native vision-language model in the Qwen3.5 series, delivering outstanding performance comparable to the latest state-of-the-art models with significant leaps in both pure-text and multimodal capabilities compared to the Qwen3 series.

FAQ

What does Qwen3.5-Flash cost on Vercel AI Gateway?

On Vercel AI Gateway, Qwen3.5-Flash costs $0.1 per 1M input tokens and $0.4 per 1M output tokens.

What is the context window for Qwen3.5-Flash on Vercel AI Gateway?

Qwen3.5-Flash supports a 1,000,000 token context window on Vercel AI Gateway.

How does Vercel AI Gateway compare to other Qwen3.5-Flash providers?

Qwen3.5-Flash is available from 3 providers. The cheapest input pricing is $0.07/1M tokens from OpenRouter.

What API model ID do I use for Qwen3.5-Flash on Vercel AI Gateway?

Use the model ID alibaba/qwen3.5-flash when calling Vercel AI Gateway's API.

Who created Qwen3.5-Flash?

Qwen3.5-Flash was created by Alibaba as part of the Qwen3.5 model family.

Is Qwen3.5-Flash open source?

Qwen3.5-Flash is not open source; the seed data lists it as proprietary.

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