LLM Perks

Intern S2 Preview 35B

Free right now Mid-size New
Long context

Intern S2 Preview 35B is a language model with 35B parameters. It is currently free at 1 provider with up to 262K tokens of context.

Parameters
35B
Context
262K tokens
Type
Text
Free since
October 1, 2026

Where to use Intern S2 Preview 35B for free

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

ProviderContextLimitCard
UnoRouter
intern-s2-preview-35b:free
262K No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://api.unorouter.com/v1/chat/completions \
  -H "Authorization: Bearer $UNOROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "intern-s2-preview-35b:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for UnoRouter. 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 We do not publish our own estimates.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 Intern S2 Preview 35B free?

Yes. As of October 1, 2026, Intern S2 Preview 35B is free at UnoRouter. Each provider has its own limits — see the table above.

What is the context window of Intern S2 Preview 35B?

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

How do I call Intern S2 Preview 35B via API?

Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID intern-s2-preview-35b:free, and a UnoRouter key.