Models · Qwen

Qwen3.5 397B, run in Paris by Scaleway.

Qwen3.5 397B is an open-weight model by Qwen that reads text and images, released under the Apache-2.0 licence. On Evanesca, Scaleway runs it in Paris: your prompts are processed in France, and Evanesca keeps no copy of them.

Checked on 20 Oct 2026

Qwen3.5 397B

by Qwen · Apache-2.0

Paris, France Checks 6/6

Input / M: €1.008
Output / M: €6.048
Quick question: €0.0027

Prices per million tokens, VAT included. Quick question: 300 tokens in, 400 out.

The model at a glance

Maker: Qwen
Licence: Apache-2.0
Size: 397B (17B active) parameters
Context: 250k tokens as the operator announces it
Type: Text + images
Tool calling: Yes measured by a real call
Reasoning: Yes — it thinks before answering those tokens are billed as output
Run by: Scaleway Scaleway SAS, Paris — iliad group, no US parent
Where it runs: Paris, France
Checks: 6/6 All six: Licence, Provenance, Security, GDPR, Benchmarks and Live test
Price: €1.008 per million input tokens · €6.048 per million output tokens VAT included; reasoning tokens count as output
Open weights: Yes published by the maker: an operator can run the model
Model card: huggingface.co/Qwen/Qwen3.5-397B-A17B

Where your prompts go

Here is the route of a message sent to Qwen3.5 397B, end to end. No call to the model leaves Europe: not as a backup, not when servers are busy.

From your browser to EvanescaEvanesca passes your message straight on to Scaleway. It stores neither the prompt nor the answer: both stay in memory only while the answer is written.
Scaleway, ParisScaleway runs Qwen3.5 397B in Paris, France. It is a French company with no US parent: out of the CLOUD Act's direct reach. Scaleway may keep and read requests that cause errors or look abusive, for up to 14 days (Scaleway's data privacy page).
Back to you, with its passportThe answer comes back with its passport: model, operator, country, and what was kept. Your history lives in your browser; about this message, Evanesca keeps only billing data — tokens and cost.

What it costs

€1.008 per million input tokens and €6.048 per million output tokens, VAT included. Three typical exchanges on Qwen3.5 397B:

COST OF AN EXCHANGE · VAT INCLUDED
Example	Tokens in	Tokens out	Cost
A quick question	300	400	€0.0027
A long document to summarise	15,000	800	€0.0200
A message late in a long conversation	40,000	2,000	€0.0524

€2 of credit covers about 730 quick questions on this model. Reasoning tokens count as output, so a model that thinks first can cost more than these examples. The exact cost of each answer shows under it. All prices.

Licence

Qwen publishes Qwen3.5 397B under the Apache-2.0 licence. Apache-2.0 is a permissive open-source licence: it allows commercial use.

The official model card is the reference.

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Every model, with its operator and where it runs

Frequently asked questions

Where does Qwen3.5 397B run on Evanesca?

In Paris, France, on Scaleway's servers. Scaleway is a French company with no US parent, so your prompts stay out of the CLOUD Act's direct reach. No call to the model leaves Europe: not as a backup, not when servers are busy.

Does Evanesca keep what I send to Qwen3.5 397B?

No. The prompt and the answer stay in memory only while the answer is written, and your history lives in your browser; about your messages, Evanesca keeps only billing data — tokens and cost. Scaleway may keep and read requests that cause errors or look abusive, for up to 14 days (Scaleway's data privacy page).

How much does Qwen3.5 397B cost?

€1.008 per million input tokens and €6.048 per million output tokens, VAT included. A quick question — 300 tokens in, 400 out — costs about €0.0027. There is no subscription: credit starts at €2.

Can Qwen3.5 397B call tools?

Yes: a real call through Scaleway returned proper tool calls (function calling).

Which licence is Qwen3.5 397B under?

Apache-2.0. Apache-2.0 is a permissive open-source licence: it allows commercial use.

Which checks has Qwen3.5 397B passed?

6 of 6: Licence, Provenance, Security, GDPR, Benchmarks and Live test. Its passport shows the same stamps; how each check works.

Does Qwen see what I type?

No. Qwen published the weights, and Scaleway runs them in France: your prompts go to Scaleway's servers, not to Qwen.