GPT-5.6 Luna vs Muse Ember
Change modelsGPT-5.6 LunaOpenAI
Muse EmberMeta
IndexAll categories, out of 100.
65.3 ±2.1 best
65.0 ±7.9
GapIndex points below the top.
Top
−0.3 · no clear gap
CoverageIndex weight that has results.
100% best
70%
SpeedOutput tokens per second.
51/s
158/s best
EloLMArena rating and rank.
1431
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ReleasedMonth of release.
2026-07
2026-11
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
—
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.
64.6
69.9 best
CodingCode writing and repair.
67.3
72.4 best
ReasoningLogic problems and puzzles.
66.1 best
64.1
MultimodalTasks with images and text.
65.7
—
KnowledgeFacts and expert knowledge.
61.9 best
37.3
MultilingualTasks in many languages.
53.2
—
InstructionTasks with strict prompt rules.
48.1
—
MathMath problems.
68.2
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Benchmarks
7 sharedOnly GPT-5.6 Luna: 96Only Muse Ember: 12
GPT-5.6 Luna
Muse Ember