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Qwen: Qwen3.5 397B A17B

The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. $0.39 per million input tokens, $2.34 per million output tokens. 262,144 token context window, maximum output of 65,536 tokens. Higher uptime with 10 providers. Includes independent benchmarks from Artificial Analysis.

View source on OpenRouter Hugging Face
Overview

Model specifications

Context
262,144 tokens
Maximum output
65,536 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
$0.39
/M tokens
Output
$2.34
/M tokens
API

Model configuration

Default parameters

temperature
0.6
top_p
0.95
top_k
20

Reasoning

Moderated
No
Default parameters
No
API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"qwen/qwen3.5-397b-a17b","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

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

10 providers

Live providers on OpenRouter

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

OpenRouter

Alibaba

unknown
Context
262K
Maximum output
66K
Input
$0.390
Output
$2.34
Cache read
Not provided
Cache write
Not provided

DeepInfra

fp8
Context
262K
Maximum output
82K
Input
$0.450
Output
$3.00
Cache read
$0.220
Cache write
Not provided

Parasail

fp8
Context
262K
Maximum output
236K
Input
$0.500
Output
$3.60
Cache read
$0.300
Cache write
Not provided

DigitalOcean

unknown
Context
131K
Maximum output
118K
Input
$0.550
Output
$3.50
Cache read
$0.111
Cache write
Not provided

AtlasCloud

fp8
Context
262K
Maximum output
66K
Input
$0.550
Output
$3.50
Cache read
$0.550
Cache write
Not provided

Phala

unknown
Context
262K
Maximum output
236K
Input
$0.550
Output
$3.50
Cache read
$0.225
Cache write
Not provided

Novita

unknown
Context
262K
Maximum output
66K
Input
$0.600
Output
$3.60
Cache read
Not provided
Cache write
Not provided

GMICloud

fp8
Context
262K
Maximum output
236K
Input
$0.600
Output
$3.60
Cache read
Not provided
Cache write
Not provided

StreamLake

unknown
Context
256K
Maximum output
64K
Input
$0.600
Output
$3.60
Cache read
$0.120
Cache write
Not provided

Venice

unknown
Context
128K
Maximum output
33K
Input
$0.750
Output
$4.50
Cache read
Not provided
Cache write
Not provided
qwen

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Context
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Input
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Output
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Input: FreeOutput: Freeper 1M tokens
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Context
Not provided
Input
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Output
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Input: $7.50Output: Freeper 1M tokens
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