Qwen3.5 397B A17B

Name: Qwen: Qwen3.5 397B A17B API
Brand: Qwen

qwen/qwen3.5-397b-a17b

VisionToolsJSONReasoning

by Qwen · 2026-02-16

Qwen3.5 397B-A17B — open-weight MoE multimodal (text/image/video), 397B total / 17B active params, 32k context (vision mode).

Endpoints:/v1/chat/completions

ctx32K tokens

Max output65K

Inputtext + image + video

Outputtext

p50 TTFT7.30 s

import os

from openai import OpenAI

client = OpenAI(
    base_url="https://api.orcarouter.ai/v1",
    api_key=os.environ["ORCAROUTER_API_KEY"],

INPUT$0.17/ 1M tokens

OUTPUT$1.03/ 1M tokens

p50 TTFT7.30 s7d

p95 TTFT10.00 s7d

TRAFFIC31.7Mtokens / 7d

Get the Qwen3.5 397B A17B API →▶ Try in playground </> Use via API

Code samples

Call from any SDK

OpenAI-compatible — keep the SDK you already use

OpenAI SDKhttps://api.orcarouter.ai/v1

import os

from openai import OpenAI

client = OpenAI(
    base_url="https://api.orcarouter.ai/v1",
    api_key=os.environ["ORCAROUTER_API_KEY"],
)

response = client.chat.completions.create(
    model="qwen/qwen3.5-397b-a17b",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

Supported parameters

enable_search
enable_thinking
include_reasoning
logprobs
max_tokens
n
parallel_tool_calls
presence_penalty
reasoning
repetition_penalty
response_format
seed
stop
stream
stream_options
temperature
thinking_budget
tool_choice
tools
top_k
top_logprobs
top_p

Pricing

Tier	Input / 1M tokens	Output / 1M tokens
≤ 128K	$0.172	$1.032
≤ 256K	$0.430	$2.58
Tier selected by input token count of each request

Cost calculator

Tokens / month10MM

70%

Estimate based on list price

Tiered pricing — this estimate uses base-tier rates.

Token & cost estimator

Expected output tokens

Input tokens: 20Cost per request: $0.000519

Estimate only — actual token counts depend on the provider's tokenizer.

Performance

last 7 days

p50 TTFT

7.30 s

Output speed

1070 tok/s

p95 TTFT

10.00 s

Error rate

0.07%

Public benchmarks

Last evaluated 2026-02-16

48.2

AA Coding

Better than 52% of models compared

#64 of 134

34.3

AA Intelligence

Better than 40% of models compared

#82 of 136

GPQA Diamond

89.3

Humanity's Last Exam

29.0

IFBench

78.8

Long-Context Recall

72.7

SciCode

42.0

tau_banking

13.4

TerminalBench Hard

40.9

terminalbench_v2_1

51.3

τ²-Bench

95.6

Source: artificialanalysis.ai

Community buzz

What developers are saying this week

Hacker News0 mentions · 7d

How it compares

	Qwen3.5 397B A17B	Qwen3.8 Max	Qwen3.8 Max (0902)	qwen/qwen3-max-preview
Input $/M	$0.17	$2.00	$2.00	$0.86
Output $/M	$1.03	$6.00	$6.00	$3.44
Context	33K	1.0M	1.0M	262K
Quality	8/10	9/10	9/10	8/10
Compare side-by-side		Compare side-by-side	Compare side-by-side	Compare side-by-side

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FAQ

How much does Qwen: Qwen3.5 397B A17B cost on OrcaRouter?

Qwen: Qwen3.5 397B A17B is priced at $0.17 per 1M input tokens and $1.03 per 1M output tokens via OrcaRouter. Pricing is pulled live from the routing layer.

What is Qwen: Qwen3.5 397B A17B's context window?

Qwen: Qwen3.5 397B A17B supports a context window of 33K tokens. Use long-context features (RAG, summarisation) up to that limit.

How do I call Qwen: Qwen3.5 397B A17B via the OpenAI SDK?

Set OpenAI base_url to https://api.orcarouter.ai/v1, supply your OrcaRouter API key, and pass model="qwen/qwen3.5-397b-a17b" in the chat.completions.create call.

Does OrcaRouter rate-limit Qwen: Qwen3.5 397B A17B?

Per-model rate limits follow your OrcaRouter plan. Free tiers ship with conservative caps; paid tiers lift them. Check /pricing for current quotas.

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Model card as data

GET /api/public/models/qwen/qwen3.5-397b-a17bOpen

Machine-readable:/llms.txt /llms-full.txt