OpenAI: GPT-5.6 Luna
openai/gpt-5.6-luna
Context: 1,050,000In: $0.10/1MOut: $0.60/1MUpdated 2026-08-05
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
Intelligence
51.2
Coding
71.4
Agentic
45.6
Metric profile
Trend over time
Intelligence
51.2
Coding
71.4
Agentic
45.6
Only 1 snapshot so far (data refreshes daily) — the trend line appears after the 2nd snapshot.
Classic evals (curated from model cards)
OpenAI GPT — manually maintained, may lag releases
MMLU-Pro
79.6%
GPQA Diamond
81.5%
HumanEval
96.8%
MATH-500
93%