OpenAI Slashes GPT-5.6 Prices: Luna 80% Off, Terra 20% Off, Sol Fast Up to 2.5× Faster
English summary
OpenAI has reduced prices for its GPT-5.6 model family. The Luna variant becomes 80% cheaper, while the Terra variant sees a 20% price cut. The Sol Fast inference service is now up to 2.5× faster. These updates are seen as a direct competitive move against Chinese AI models. Meanwhile, Grok 4.5 High remains on the Pareto frontier of cost-performance.
Chinese summary
OpenAI下调了GPT-5.6模型系列的价格。Luna版本降价80%，Terra版本降价20%。Sol Fast推理服务速度提升至最高2.5倍。这些举措被视为直接针对中国AI模型的竞争举措。同时，Grok 4.5 High仍处于成本与性能的帕累托前沿。
Key points
GPT-5.6 Luna is now 80% cheaper.
GPT-5.6 Luna版本降价80%。
GPT-5.6 Terra price reduced by 20%.
GPT-5.6 Terra版本降价20%。
Sol Fast inference speed improved by up to 2.5×.
Sol Fast推理速度提升最高2.5倍。
Grok 4.5 High maintains Pareto-optimal cost-performance.
Grok 4.5 High仍保持成本与性能的帕累托最优。