OpenAI
OpenAI's fastest and most cost-efficient GPT-5.6 tier for high-volume workloads. Luna is generally available through ChatGPT, Codex, and the API.
71.3
Quality Score
1254
Arena ELO
Undisclosed
Parameters
1M
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
18 of 22 public signals
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106.4K
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Jul 2026
Released
4/5 signals
4/4 signals
5/5 signals
2/4 signals
3/4 signals
Parameters
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Training compute
Not reported
Dataset scale
Not reported
Base model
Not reported
Source-reported access: API access · Confident confidence
Gaps we are still tracking