KB-Whisper Large

by KBLab

KBLab's KB Whisper Large is a 2-billion-parameter Swedish speech-to-text model trained on 50,000 hours of audio, cutting word error rate by an average 47% versus Whisper-large-v3.

Key info

Input
Output
Features
Pricing
$0.0023 / min
Billing
Per minute
  • EU residency available
  • Zero data retention on pay-as-you-go
  • No training by default
  • GDPR DPA available

Pricing

Usage-based pricing, billed by the minute, not by token.

VariantPrice
Standard$0.0023 / min

Available routes

KB-Whisper Large runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance β€” full data-handling detail per route below.

ProviderRegionZero data retentionTrainingPrice
EUZero data retentionNo$0.0023 / min

Uptime and availability

KB-Whisper Large runs on a single route through the Opper gateway today, so its availability is that provider's availability.

99.94%route uptime, last 30 days
Single route, no failover target within this model.

Name a second model in the same request and the gateway tries it on retriable errors, so a busy hour never has to reach your users. Set up a fallback chain.

Measured over the last 30 days from each provider's official status feed via StatusGator. Refreshed hourly. See uptime for every provider Opper monitors.

Data handling per route

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

Berget β€” SwedenπŸ‡ΈπŸ‡ͺ

Zero data retention is on by default on Pay-as-you-go β€” no action required. No training on customer data. EU; DPA available.

Zero data retention
On by default on Pay-as-you-go.
Training
No training on customer data.
Logging
None
Third-party access
None disclosed
GDPR DPA
DPA available
Transfer mechanism
Not applicable β€” data stays in EU

Get started

Call KB-Whisper Large through the Opper gateway with one API key. Let your coding agent set it up, or call it directly β€” 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

import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.OPPER_API_KEY,
baseURL: "https://api.opper.ai/v3/compat",
});
const completion = await client.chat.completions.create({
model: "berget/KBLab/kb-whisper-large",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Compare KB-Whisper Large with…

Side-by-side on privacy, EU hosting, pricing, and benchmarks.

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