GPT-5.6 Luna vs GPT-6 Luna
Change modelsGPT-5.6 LunaOpenAI
GPT-6 LunaOpenAI
IndexAll categories, out of 100.
65.5 ±2.1
65.5 ±2.1
GapIndex points below the top.
Top
Top
CoverageIndex weight that has results.
100%
100%
SpeedOutput tokens per second.
51/s
66/s best
EloLMArena rating and rank.
1431 best
1388
ReleasedMonth of release.
2026-07
2026-09
Input / 1MUS dollars per 1M input tokens.
$0.20
$0.10 best
Output / 1MUS dollars per 1M output tokens.
$1.20
$0.50 best
Batch output / 1MBatch price per 1M output tokens.
$0.60
$0.25 best
1K chats2K tokens in, 500 out, each.
$1.00
$0.45 best
1K documents20K tokens in, 1K out, each.
$5.20
$2.50 best
1K agent tasks200K tokens in, 20K out, each.
$64.00
$30.00 best
ContextMaximum tokens in one request.
1.05M
1.05M
AgenticMulti-step tasks with tools.
64.7
66.9 best
CodingCode writing and repair.
67.4 best
66.8
ReasoningLogic problems and puzzles.
66.3 best
64.3
MultimodalTasks with images and text.
65.8 best
65.0
KnowledgeFacts and expert knowledge.
62.1
63.5 best
MultilingualTasks in many languages.
53.1
53.3 best
InstructionTasks with strict prompt rules.
48.2 best
39.8
MathMath problems.
68.4
68.5 best
Benchmarks
70 sharedOnly GPT-5.6 Luna: 32Only GPT-6 Luna: 31
GPT-5.6 Luna
GPT-6 Luna