How much does Qwen3.5 397B A17B cost?

Qwen3.5 397B A17B costs $0.39/M input tokens and $2.34/M output tokens.

What is the context length of Qwen3.5 397B A17B?

Qwen3.5 397B A17B has a 262,144 token context window. It supports up to 65,536 completion tokens.

Does Qwen3.5 397B A17B support tool calling and structured outputs?

Yes. Qwen3.5 397B A17B accepts tools and tool_choice for function calling on 7 of the 8 providers serving it, and requests that send tools are routed to those providers. It also supports structured outputs via a JSON schema in response_format.

What inputs and outputs does Qwen3.5 397B A17B support?

Qwen3.5 397B A17B accepts text, images, and video as input and returns text.

Which providers serve Qwen3.5 397B A17B?

Qwen3.5 397B A17B is served by 8 providers on OpenRouter: Alibaba Cloud Int., DeepInfra, Parasail, AtlasCloud, StreamLake, GMICloud, NovitaAI, and Venice. Requests are routed to the best available provider, with automatic failover to the others, and you can pin or exclude providers with provider routing.

When was Qwen3.5 397B A17B released?

Qwen3.5 397B A17B was released on February 16, 2026.

Qwen: Qwen3.5 397B A17B

qwen/qwen3.5-397b-a17b

Model weights

Compare

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. It delivers state-of-the-art performance comparable to leading-edge models across a wide range of tasks, including language understanding, logical reasoning, code generation, agent-based tasks, image understanding, video understanding, and graphical user interface (GUI) interactions. With its robust code-generation and agent capabilities, the model exhibits strong generalization across diverse agent.

Modalities

In / out price

$0.39 / $2.34per 1M

Context

262K

Released

Feb 16, 2026

Providers

Different companies host the same model. OpenRouter routes your request to one of them based on the routing mode you pick: Balanced (price + speed), Nitro (fastest), or Floor (cheapest).

Latency / throughput


$0.39	$2.34	--	1.56s	51 tok/s	99.48%
$0.55	$3.50	$0.55	1.34s	51 tok/s	97.73%
$0.60	$3.60	$0.12	2.15s	47 tok/s	97.39%
$0.75	$4.50	--	0.95s	46 tok/s	97.12%
$0.60	$3.60	--	1.77s	53 tok/s	93.10%
$0.60	$3.60	--	5.84s	40 tok/s	98.24%
$0.45	$3.00	$0.22	0.53s	42 tok/s	99.84%
$0.50	$3.60	$0.30	1.69s	57 tok/s	83.23%

Input $0.39Output $2.34
51 tok/s99.48% uptime
Input $0.55Output $3.50
51 tok/s97.73% uptime
Input $0.60Output $3.60
47 tok/s97.39% uptime
Input $0.75Output $4.50
46 tok/s97.12% uptime
Input $0.60Output $3.60
53 tok/s93.10% uptime
Input $0.60Output $3.60
40 tok/s98.24% uptime
Input $0.45Output $3.00
42 tok/s99.84% uptime
Input $0.50Output $3.60
57 tok/s83.23% uptime

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.

Weighted average

Input

$0.491/M tokens

Output

$3.018/M tokens

Qwen3.5 397B A17B — Price history

Price history

No effective price data for this selection

$0.381	$3.00	29.8%	12.0%
$0.390	$2.34	0.0%	28.4%
$0.550	$3.50	0.0%	15.0%
$0.558	$3.60	8.8%	36.8%
$0.600	$3.60	0.0%	0.2%
$0.600	$3.60	0.0%	2.2%
$0.750	$4.50	9.7%	1.1%
$0.436	$3.60	31.8%	4.3%

Effective in $0.381Effective out $3.00
Token share
12.0%
Effective in $0.390Effective out $2.34
Token share
28.4%
Effective in $0.550Effective out $3.50
Token share
15.0%
Effective in $0.558Effective out $3.60
Token share
36.8%
Effective in $0.600Effective out $3.60
Token share
0.2%
Effective in $0.600Effective out $3.60
Token share
2.2%
Effective in $0.750Effective out $4.50
Token share
1.1%
Effective in $0.436Effective out $3.60
Token share
4.3%

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).

Throughput

57tok/s

P50, best across providers

Latency

0.53s

P50, best provider

Latency / throughput

AutoExacto benchmarks

GPQA DiamondTAU-BenchStreamLake86.7%--DigitalOcean88.0%79.8%Alibaba Cloud Int.86.8%80.6%auto-routing87.0%80.3%Phala87.6%79.7%

+5 more providers

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.

Uptime (3d)

100.00%

Availability (3d)

99.65%

Availability over the last 3 days

Last 72 hours

Availability 99.65%

3 Days Ago2 Days AgoYesterdayNow

Availability over the last 24 hours

OpenRouter Availability

99.87%

Without Routing

92.91%

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 provider routing options.

Benchmarks

Scores on standardized evaluations and this model’s own outputs on shared benchmark prompts. Higher percentages are better — and each rank shows where this model lands among the models evaluated on that source.

Benchmark score summary for Qwen: Qwen3.5 397B A17B (Artificial Analysis, Design Arena and Vals AI)
Source	Benchmark	Score
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) GPQA Diamond	86.1%
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) HLE	19.8%
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) IFBench	51.6%
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) τ²-Bench Telecom	83.9%
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) AA-LCR	64.3%
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) CritPt	0.9%
Artificial Analysis	Qwen3.5 397B A17B (Non-reasoning) Terminal-Bench Hard	35.6%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) Coding Index	48.2
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) Agentic Index	8.3
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) GPQA Diamond	89.3%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) HLE	29.0%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) IFBench	78.8%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) τ²-Bench Telecom	95.6%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) AA-LCR	77.3%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) τ-Bench Banking	13.4%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) GDPval-AA	15.0%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) CritPt	1.7%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) SciCode	44.8%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) Terminal-Bench Hard	40.9%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) Terminal-Bench 4.0	0.0%
Artificial Analysis	Qwen3.5 397B A17B (Reasoning) Terminal-Bench 2.1	51.3%
Design Arena	Qwen3.5 397B A17B Models Arena 3D Elo	1141
Design Arena	Qwen3.5 397B A17B Models Arena Code Categories Elo	1169
Design Arena	Qwen3.5 397B A17B Models Arena Data Visualization Elo	1172
Design Arena	Qwen3.5 397B A17B Models Arena Game Development Elo	1130
Design Arena	Qwen3.5 397B A17B Models Arena SVG Elo	1128
Design Arena	Qwen3.5 397B A17B Models Arena UI Component Elo	1154
Design Arena	Qwen3.5 397B A17B Models Arena Website Elo	1183
Vals AI	Qwen 3.5 397B A17B SAGE	85.5%

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.

Claude Code

Claude Code is Anthropic's agentic coding tool that reads your entire codebase, plans and executes changes across files, runs tests, and iterates on failures, all from natural language prompts.

947Mtokens

OpenClaw

OpenClaw is an open-source AI agent that connects to your messaging apps and takes real actions on your behalf, from running commands and browsing the web to managing files and sending emails.

915Mtokens

Fisher

new

681Mtokens

Hermes Agent

Hermes Agent is an open-source, self-improving AI agent by Nous Research that runs persistently with memory across sessions, and builds reusable skills from experience. It comes with 40+ built-in tools, including web search, browser automation, and vision, plus scheduled automations and subagents.

485Mtokens

There are many coding agents, but this one is yours.

280Mtokens

Rest of OpenRouter

3.69B

Top 5 Apps

21.8M

Not currently available through EU in-region routing. In-region routing docs

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Providers