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Qwen: Qwen3.5-35B-A3B

Source description (English)

The Qwen3.5 Series 35B-A3B is a native vision-language model designed with a hybrid architecture that integrates linear attention mechanisms and a sparse mixture-of-experts model, achieving higher inference efficiency. Its overall...

Overview

Model specifications

Context
262,144 tokens
Maximum output
16,384 tokens
Architecture
text+image+video->text
Tokenizer
Qwen3
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.3125
per 1M tokens
Output
$1.25
per 1M tokens
Cache read
$0.1563
per 1M tokens
API

Model configuration

Default parameters

temperature
1
top_p
0.95
top_k
20

Reasoning

Reasoning required
No
Default parameters
No
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"qwen/qwen3.5-35b-a3b","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

InputOutput

Input
textimagevideo
Output
text
Reasoning

No

API

Supported API parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Available providers

7 providers

Checked: September 20, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Darkbloom

fp4
Context
262K
Maximum output
33K
Input
$0.08
Output
$0.75
Cache read
Not provided
Cache write
Not provided

DeepInfra

fp8
Context
262K
Maximum output
82K
Input
$0.14
Output
$1
Cache read
$0.05
Cache write
Not provided

Parasail

fp8
Context
262K
Maximum output
236K
Input
$0.15
Output
$1
Cache read
$0.05
Cache write
Not provided

Alibaba

Not provided
Context
262K
Maximum output
66K
Input
$0.1625
Output
$1.3
Cache read
Not provided
Cache write
Not provided

AtlasCloud

fp8
Context
262K
Maximum output
66K
Input
$0.225
Output
$1.8
Cache read
$0.225
Cache write
Not provided

SiliconFlow

fp8
Context
262K
Maximum output
236K
Input
$0.24
Output
$1.8
Cache read
$0.15
Cache write
Not provided

Venice

Not provided
Context
256K
Maximum output
16K
Input
$0.3125
Output
$1.25
Cache read
$0.1563
Cache write
Not provided
qwen

4 models

All models