When was Qwen3.5-397B-A17B released?

Qwen3.5-397B-A17B was released on February 16, 2026 by Qwen. This is the official Qwen3.5-397B-A17B release date tracked on LLM Stats.

Is Qwen3.5-397B-A17B available via API?

Yes, Qwen3.5-397B-A17B is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

How big is Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B has 397 billion parameters. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B was created by Qwen.

What is the license for Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B is released under the Apache 2.0 license. This is an open-source / open-weight license that permits self-hosting.

Is Qwen3.5-397B-A17B multimodal?

Yes, Qwen3.5-397B-A17B is multimodal and can accept both text and images as input.

Where can I use Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B is available through 1 provider including Novita.

What models should I compare Qwen3.5-397B-A17B against?

Common Qwen3.5-397B-A17B comparisons include Qwen3.5-397B-A17B vs GPT-5 Medium, Qwen3.5-397B-A17B vs Seed 2.0 Pro, Qwen3.5-397B-A17B vs GPT-5.1 High. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.

Qwen3.5-397B-A17B API Pricing, Context Window & Benchmarks

Name: Qwen3.5-397B-A17B
Author: Qwen

Qwen3.5-397B-A17B: API Pricing, Context Window & Benchmarks

Qwen3.5-397B-A17B is a language model from Qwen, released in February 2026, with multimodal input.

Qwen3.5-397B-A17B is Qwen's flagship Mixture-of-Experts model with 397 billion total parameters and 17 billion activated parameters. It delivers state-of-the-art performance across knowledge, reasoning, coding, mathematics, multilingual

Input

TextImageVideo

Output

Text

Qwen3.5-397B-A17B benchmarks

Rankings

Quality Tracker

Qwen3.5-397B-A17B Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

llm-stats.com - Sat Jul 18 2026

Notice missing or incorrect data?

Qwen3.5-397B-A17B pricing

Providers

Qwen3.5-397B-A17B starts at $0.600 per million input tokens and $3.60 per million output tokens via Novita.

Provider	Input $/M	Output $/M	Workload 1M + 100K	Context in / out	TTFT p50 / p95 s	Output avg / p5 c/s	Success 7d	Modalities in / out
Novita	$0.600	$3.60	$0.960	262.1K/64.0K	—/—	—/—	—	/

Workload cost uses 1M input tokens plus 100K output tokens at published list prices without assuming a cache hit. Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests. Success is calculated from completed versus failed requests over the trailing seven days.

Qwen3.5-397B-A17B model size

Qwen3.5-397B-A17B has 397 billion parameters. See how it compares to other models in the same parameter range.

Parameters

397BMoE

Frontier (200B+)

397B

1B7B70B405B

Qwen3.5-397B-A17B context window

Input and output token limits for Qwen3.5-397B-A17B, plus how it ranks on long-context understanding.

InputOutput

262Ktokens

64Ktokens

≈ 394 pages of text

262K

8K128K1M

Qwen3.5-397B-A17B API

Available from the model provider

Qwen3.5-397B-A17B has an official provider API. It is not currently routed through the LLM Stats gateway.

Read the official API documentation

Qwen3.5-397B-A17B latency

Qwen3.5-397B-A17B time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Qwen3.5-397B-A17B examples

Recent arena outputs from Qwen3.5-397B-A17B, picked from the highest-ranked matchups.

Qwen3.5-397B-A17B license

Qwen3.5-397B-A17B is released under the Apache 2.0 license, which permits commercial use, has 397.0B parameters.

License: Apache 2.0; Commercial use allowed
Parameters: 397.0B

Apache License 2.0 - allows commercial use

Qwen3.5-397B-A17B resources

Official sources for Qwen3.5-397B-A17B: api documentation, official playground, source repository, model weights.

Qwen3.5-397B-A17B vs other models

The most-compared alternatives to Qwen3.5-397B-A17B are GPT-5 Medium, Seed 2.0 Pro, GPT-5.1 High. Open any pair side-by-side for benchmarks, pricing, context, and latency.