Apertus 1.5 8B

A compact, fully open model from the Swiss AI Initiative for multilingual chat and text tasks, with open weights, training data and recipes. Supports tool calling and a 262K context window.

  • Tool Calling

Added Oct 15, 2026

Pricing

Auto routing · per 1M tokens
Input
$0.12
Output
$0.24
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Specifications

Context window
262.1K
Max output
N/A
Parameters
8B

Benchmarks

No public benchmark scores for this model yet.

Providers

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