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SubQ Preview

Preview
subquadratic/subq-preview

— context · May 2026 · 1 upstreams

SubQ Preview is Subquadratic's long-context chat model, built on its Subquadratic Sparse Attention (SSA) architecture for reasoning over very large inputs such as whole repositories, contract archives and filings. It is in early access: model availability and features may change. Text in, text out, with file (document) input, function calling, JSON-schema structured outputs and a reasoning_effort control (none to max). SubQ serves it on Chat Completions and the Responses API. Reasoning text is never returned; reasoning tokens bill as output.

Bring your own keyAnyRouter has no platform route for SubQ Preview. Requests use your key and bill your provider account. AnyRouter adds no fee.

Preview release: behaviour, limits and pricing may change without notice.

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Upstreams

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Details

Owner
Subquadratic
Kind
Chat
Released
May 2026
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "subquadratic/subq-preview",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'