OpenAI launches GPT-6 Sol and Luna with 50% lower API prices vs GPT-5.6
gdb · x · 2026-09-23
OpenAI officially released GPT-6 Sol and GPT-6 Luna, two faster, more affordable models built on the advances behind GPT-6 Astra, aimed at work at scale.
- Inherit Astra's SOTA performance in professional work, factuality, coding, computer use, and alignment
- Improved caching and inference efficiency, with savings passed on: API prices are 50% lower than GPT-5.6 promotional pricing
- Shared by OpenAI's official account and amplified by former researcher gdb
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