LLM Reference

Qwen3.5-Flash

Released
2026-02-23
Last refreshed
2026-06-29
Status
Researched 46d ago
Open sourceCommercial use: permittedMultimodalLong contextVisionClassification

Qwen3.5-Flash is worth evaluating for long context, vision, and classification when its provider route and context window match the workload.

Use it for

  • Teams evaluating long context, vision, and classification
  • Workloads that can use a 1m context window
  • Buyers comparing 3 tracked provider routes

Do not use it for

  • Strict JSON or tool-calling flows
Specifications
Family
Qwen3.5
Released
2026-02-23
Context
1m
Openness
Open source
License
Apache 2.0OSI-approvedCommercial use: permitted
Weights
Unknown
Code
Unknown
Created by

AI research institute of Alibaba Group.

Hangzhou, Zhejiang, China
Founded 2017
Website
Pricing
Output / 1M
$0.260
Input / 1M
$0.070

Cheapest of 3 routes · OpenRouter

About

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.

Qwen3.5-Flash is an open-source model in the Qwen3.5 family. The structured metadata tracks a 1m-token context window and multimodal input. This page tracks provider routes through Alibaba Cloud PAI-EAS, OpenRouter, and Vercel AI Gateway, with the cheapest tracked route listed at $0.07 input and $0.26 output per 1M tokens. Headline tracked benchmarks include Google-Proof Q&A 84.2 and MMLU PRO 85.3.

Top use-case fit

Long context

Included by capability and metadata signals in the decision map.

Vision

Included by capability and metadata signals in the decision map.

Classification

Q/$ B

1 relevant benchmark in the decision map.

Provider price ladder

Compare all 3

Compare API pricing across 3 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MCacheRoute
OpenRouter$0.070$0.260-
Serverless
Alibaba Cloud PAI-EAS$0.100$0.400-
Serverless
Vercel AI Gateway$0.100$0.400read $0.001
Serverless

Capabilities

VisionMultimodal

Benchmark peer barsfor Classification

Benchmark scores(2)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
Google-Proof Q&A84.2GPQA Diamond (accuracy)Observed 2026-06-07Source
MMLU PRO85.3Qwen3 (accuracy)Observed 2026-06-07Source

Migration checks

No linked migration route is available for this model yet.

Rankings & picks(1)

Compare Qwen3.5-Flash with other models

Frequently asked questions

What is the context window of Qwen3.5-Flash?

Qwen3.5-Flash has a context window of 1m tokens.

How much does Qwen3.5-Flash cost?

Qwen3.5-Flash pricing ranges from $0.07/1M to $0.1/1M input tokens depending on the provider.

When was Qwen3.5-Flash released?

Qwen3.5-Flash was released on 2026-02-23.

Which providers offer Qwen3.5-Flash?

Qwen3.5-Flash is available from 3 providers: Alibaba Cloud PAI-EAS, OpenRouter, Vercel AI Gateway.

What benchmarks has Qwen3.5-Flash been tested on?

Qwen3.5-Flash has been evaluated on 2 benchmarks, including Google-Proof Q&A, MMLU PRO.