gpt-5.6-terra vs gpt-6-luna
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- gpt-5.6-terra
- 1 advantage
- gpt-6-luna
- 2 advantages
How to choose
gpt-5.6-terraCheaper: about 251 a reply, 91% less
gpt-6-lunaFaster: 1.0s on averageHigher in this week's ranking: #37
gpt-5.6-terra
By OpenAI
gpt-6-luna
By OpenAI
Where they differ
gpt-5.6-terragpt-6-luna
On this site
1.3sAverage response this week1.0s
251Credits per reply2,917
~288Replies a day's check-in buys~68
#43Place in this week's ranking#37
6×Credit multiplier1×
The model itself
Feb 2026Knowledge cutoffMay 2026
9 Jul 2026Released22 Sep 2026
Where they match
- Availability, last 3 days100%
- Availability, this week's tests100%
- Context length1.1M tokens
- Longest reply128K tokens
- Reads imagesYes
- Calls toolsYes
- Thinks before answeringYes
- Conversations used for trainingUsed to train and improve the provider’s models
- Open weightsNo
Availability over 3 days counts every call made through the site; this week's availability counts every call over the last 7 days, scheduled tests included, and response time comes from the site's own scheduled tests. Replies a day assumes a full daily check-in and the daily call limit.
Compare next
gpt-5.6-terra against other models
Figures come from real calls made through this site. Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.