Does GLM-5.2 Fast support zero data retention?

Not self-serve on Pay-as-you-go. Zero data retention for GLM-5.2 Fast is available on request via Opper Enterprise — contact hello@opper.click.

Where is GLM-5.2 Fast hosted?

GLM-5.2 Fast is available on multi-region hosting through the Opper gateway. See the per-route table for details.

Is GLM-5.2 Fast trained on prompts and outputs?

No. Every hosting route for GLM-5.2 Fast is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for GLM-5.2 Fast?

Yes. A GDPR Data Processing Agreement is available on at least one route serving GLM-5.2 Fast. Contact hello@opper.click to receive it.

GLM-5.2 Fast

by Z.ai

GLM 5.2 744B MoE on Fireworks' Fast serverless path, 2-3x Standard throughput at the same quality bar

Open in playground Try in chat Compare

Key info

Input

Output

Features

Context window

Max output

131K

Input price

$2.10 /1M

Output price

$6.60 /1M

Zero data retention via Enterprise
No training by default
GDPR DPA available

Available routes

GLM-5.2 Fast runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

Provider	Region	Zero data retention	Training	Input	Output
Fireworks	Multi	Enterprise	No	$2.10	$6.60

Training posture across routes: No training on prompts by default.

Data handling per route

Each route hosting GLM-5.2 Fast has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

Fireworks — United States🇺🇸

Zero data retention is available via Opper Enterprise contract. No training on customer data. GLOBAL; SCCs; DPA available.

Zero data retention: Available via Opper Enterprise contract.
Training: No training on customer data.
Logging: None
Third-party access: None disclosed
GDPR DPA: DPA available
Transfer mechanism: SCCs

Get started

Call GLM-5.2 Fast through the Opper gateway with one API key. Let your coding agent set it up, or call it directly — Opper is drop-in compatible with the OpenAI, Anthropic, and Google AI SDKs.

Set it up with your agent

Copy this and paste it into a coding agent like Claude Code, Cursor or Codex and it'll wire up Opper for you.

Or call it directly

1import OpenAI from "openai";
2
3const client = new OpenAI({
4  apiKey: process.env.OPPER_API_KEY,
5  baseURL: "https://api.opper.click/v3/compat",
6});
7
8const completion = await client.chat.completions.create({
9  model: "fireworks/glm-5p2-fast",
10  messages: [{ role: "user", content: "Hello" }],
11});
12console.log(completion.choices[0].message.content);