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Qwen: Qwen3.5-Flash

qwen/qwen3.5-flash-02-23

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The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. Compared to the 3 series, these models deliver a leap forward in performance for both pure text and multimodal tasks, offering fast response times while balancing inference speed and overall performance.

Modalities

In / Out Price

$0.065 / $0.26per 1M

Context

1M

Released

Feb 25, 2026

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ProvidersPricingPerformanceUptimeAppsActivityFAQ

Providers

This model is hosted by one provider. OpenRouter forwards every request to it directly — no routing decisions to make.

Pricing

The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

Activity

Token volume and request traffic to this model over time.

Quick Start

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

About Qwen: Qwen3.5-Flash

OpenRouter makes Qwen: Qwen3.5-Flash available through a unified, OpenAI-compatible API using the model ID qwen/qwen3.5-flash-02-23. It is served by Alibaba Cloud Int..

Qwen: Qwen3.5-Flash accepts text, images and video and returns text. It has a 1,000,000-token context window and a maximum output of 65,536 tokens.

On OpenRouter, Qwen: Qwen3.5-Flash costs $0.065/M input tokens and $0.26/M output tokens. It was released on February 25, 2026.

More models from Qwen

  • Qwen3.8 27B
  • Qwen3 Reranker 8B
  • Qwen3 ASR 1.7B

Frequently asked questions

The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency.

Qwen3.5-Flash costs $0.065/M input tokens and $0.26/M output tokens.

Qwen3.5-Flash has a 1,000,000 token context window. It supports up to 65,536 completion tokens.

Yes. Qwen3.5-Flash accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

Qwen3.5-Flash accepts text, images and video as input and returns text.

Qwen3.8 27B, Qwen3.8 2.4T A95B, Qwen3.8 Max and 46 more are other text models from Qwen.

Qwen3.5-Flash was released on February 25, 2026.

$0.065$0.260.58s40 tps
100.00%

Throughput

40tok/s

P50, best across providers

Latency

0.58s

P50, best provider

Uptime (3d)

100.00%

Availability (3d)

99.12%

Availability over the last 3 days

Last 72 hours
Availability 99.12%
3 Days Ago2 Days AgoYesterdayNow

Availability over the last 24 hours

OpenRouter Availability
99.18%

When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and customization options.

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