GPT-5.6 Terra vs GPT-6 Luna
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GPT-5.6 Terra
B
GPT-6 Luna
- ProviderOpenAIOpenAI
- Rank#19Higher rank#22
- TierAA
- Score84.8Higher score84.1
- PriceAPI $2 input / $12 output per 1M tokens ($0.20 cached input)API $0.10 input / $0.50 output per 1M tokens ($0.01 cached input)Lower price tier
- TaglineBalanced everyday member of the GPT-5.6 family, tuned for cost-aware agents.OpenAI's low-cost GPT-6 tier for high-volume tasks such as extraction, summarization and routing, with a 1.05M-token context window.
| Attribute | GPT-5.6 Terra | GPT-6 Luna |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Rank | #19Higher rank | #22 |
| Tier | A | A |
| Score | 84.8Higher score | 84.1 |
| Price | API $2 input / $12 output per 1M tokens ($0.20 cached input) | API $0.10 input / $0.50 output per 1M tokens ($0.01 cached input)Lower price tier |
| Tagline | Balanced everyday member of the GPT-5.6 family, tuned for cost-aware agents. | OpenAI's low-cost GPT-6 tier for high-volume tasks such as extraction, summarization and routing, with a 1.05M-token context window. |