Glyph Cluster

stealth/glyph-cluster

A free chat model with a 256K-token context window.

Details

Maker: stealth
Kind: Chat
Context window: 256,000 tokens
Max output: 256,000 tokens
Input: Free
Output: Free
Capabilities: Reasoning, tool use
Takes: Text
Returns: Text
Zero data retention: Not on every provider
No training on requests: Not on every provider
Released: 2026-10-07
Newer model: stealth/cat-jamReleased later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

Glyph Cluster is an anonymous reasoning model in early access. Prompts and outputs may be retained by the provider.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "stealth/glyph-cluster",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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