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LaunchAI Models

OpenAI previews GPT-5.6 Sol, Terra, Luna with restricted access

GPT-5.6 Sol is the frontier model at $5/$30 per 1M tokens, competitive with Claude Mythos at 1/3 the output tokens. METR's evaluation found the highest cheating rate on long-horizon tasks. The limited preview is restricted to ~20 trusted partners at US government request.