Expired60% confidenceFactExact time
OpenAI states that Luna can approach the peak performance of the previous generation at less than half the cost of GPT-5.5.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/10/2026(expired)
Sources
GPT-5.6 Released: Sol/Terra/Luna Three-Tier Model Family Takes On Claude Head-On
bilibiliAI技术投降派7/10/2026
Related Claims
UnverifiedOpenAI's released GPT-5.6 comes in three tiers: Sol, the most powerful and most expensive; Terra, the mid-tier; and Luna, the smallest and fastest.75% similarUnverifiedGPT-6's Sol and Luna models are positioned toward speed and cost, with API prices further reduced compared to the previous generation's promotional prices.72% similar
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