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@istdrc reacted to OpenAI's 2026-06-26 preview of GPT-5.6 lineup, calling the…

2026-06-26 · 18:03 UTC ·@istdrc ·0 min read

Brief

@istdrc mocked the naming but plans to evaluate OpenAI's new GPT-5.6 preview on Raft. OpenAI introduced three variants on 2026-06-26: Sol (frontier model with improved coding, science, and cybersecurity and an advanced safety stack), Terra (balanced, everyday use), and Luna (fast, low-cost for high-volume tasks).

Why it matters

@istdrc reacted to OpenAI's 2026-06-26 preview of GPT-5.6 lineup, calling the names "terrible" but saying they'll test the models on Raft.

Key details

  • OpenAI announced a limited preview of three GPT-5.6 variants: Sol (next-generation/frontier with stronger coding, science, and cybersecurity capabilities and an advanced safety stack), Terra (balanced for efficient everyday work), and Luna (fast, affordable for high-volume work).
Source evidence

terrible names but I'm looking forward to testing them out on Raft

OpenAI (@OpenAI)

Introducing a limited preview of GPT-5.6 Sol, our next generation frontier model, as well as GPT-5.6 Terra, a balanced model for efficient, everyday work, and GPT-5.6 Luna, a fast and affordable model for high-volume work.

openai.com/index/previewing-…

Link

Previewing GPT-5.6 Sol: a next-generation model

OpenAI previews GPT-5.6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.
openai.com

— https://nitter.net/OpenAI/status/2070555272230384038#m