GPT-5.6 — Pantheon
  
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    # GPT-5.6

    
OpenAI · Jul 2026 · a generation, not a model — this URL points onward
    
GPT-5.6 is the generation name; the models are the tiers. Each has its own page: [GPT-5.6 Sol](../gpt-5-6-sol/) (flagship — also carries the generation-level launch record), [GPT-5.6 Terra](../gpt-5-6-terra/) (mid), and [GPT-5.6 Luna](../gpt-5-6-luna/) (fast).
    
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