LLM Perks

apertus-v1.5-8b

Free right now Small New
Long context

apertus-v1.5-8b is a language model with 8B parameters. It is currently free at 1 provider with up to 262K tokens of context.

Parameters
8B
Context
262K tokens
Type
Text
Free since
October 1, 2026

Where to use apertus-v1.5-8b for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
Cloudflare Workers AI
@cf/swiss-ai/apertus-v1.5-8b
262K Workers Free: 10,000 Neurons/day shared across eligible models — Open

Quick start

curl https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1/chat/completions \
  -H "Authorization: Bearer $CLOUDFLARE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "@cf/swiss-ai/apertus-v1.5-8b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for Cloudflare Workers AI. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

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FAQ

Is apertus-v1.5-8b free?

Yes. As of October 1, 2026, apertus-v1.5-8b is free at Cloudflare Workers AI. Each provider has its own limits — see the table above.

What is the context window of apertus-v1.5-8b?

The largest context among free routes is 262,144 tokens. Some providers cap it lower.

How do I call apertus-v1.5-8b via API?

Use any OpenAI-compatible client with base URL https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1, model ID @cf/swiss-ai/apertus-v1.5-8b, and a Cloudflare Workers AI key.