Model comparison

GPT-6 Luna vs phi-3-mini 3.8B

GPT-6 Luna has enough public results to be ranked (#36); phi-3-mini 3.8B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

GPT-6 Luna OpenAI

53.3

Rank #36 Confirmed

Summary

  • They share 1 benchmark with published results for both.

Side by side

GPT-6 Luna and phi-3-mini 3.8B specifications
GPT-6 Lunaphi-3-mini 3.8B
ProviderOpenAIMicrosoft
Noometry Index53.3—
Released2026-09-22—
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.50—
Results tracked421

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Category by category

Coding Not comparable

GPT-6 Luna: 55.5 (#25), phi-3-mini 3.8B: —

Coding benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
DeepSWE66.6%—
FrontierCode42.4%—
LMArena WebDev1581—
SciCode54.6%—
LMArena Coding1439—
ALE-Bench1,577—

Agentic & Tool Use Not comparable

GPT-6 Luna: 33.3 (#54), phi-3-mini 3.8B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
APEX-Agents44.3%—
GDP.pdf23%—

Reasoning Not comparable

GPT-6 Luna: 48.2 (#41), phi-3-mini 3.8B: —

Reasoning benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
Epoch Capabilities Index156.28117.36
ARC-AGI-259.3%—
NYT Connections (extended)68.7%—
ARC-AGI-186.7%—
CritPt19.4%—
Chess Puzzles31%—
LMArena Hard Prompts1411—
Mystery Game Puzzles7%—
DTBench90.1%—
LMCA44.5%—

Math Not comparable

GPT-6 Luna: 76.1 (#15), phi-3-mini 3.8B: —

Math benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
FrontierMath (Tiers 1-3)78.9%—
FrontierMath Tier 456.1%—
OTIS Mock AIME 2024-202598.9%—
ProofBench64%—
LMArena Math1416—

Knowledge Not comparable

GPT-6 Luna: 57.0 (#41), phi-3-mini 3.8B: —

Knowledge benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
GPQA Diamond90.5%—
SimpleQA Verified41.4%—
LMArena Expert1444—

Multimodal Not comparable

GPT-6 Luna: 42.4 (#30), phi-3-mini 3.8B: —

Multimodal benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
LMArena Vision1217—
Blueprint-Bench 231.2%—
Furniture Assembly44.2%—

Multilingual Not comparable

GPT-6 Luna: 50.5 (#117), phi-3-mini 3.8B: —

Multilingual benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
LMArena Non-English1386—
LMArena Chinese1433—
LMArena French1420—
LMArena German1369—
LMArena Japanese1369—
LMArena Korean1360—
LMArena Russian1394—
LMArena Spanish1393—

Instruction Following Not comparable

GPT-6 Luna: 74.3 (#99), phi-3-mini 3.8B: —

Instruction Following benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
LMArena Instruction Following1409—

Long Context Not comparable

GPT-6 Luna: 43.0 (#111), phi-3-mini 3.8B: —

Long Context benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
LMArena Longer Query1409—

Writing & Preference Not comparable

GPT-6 Luna: 58.3 (#119), phi-3-mini 3.8B: —

Writing & Preference benchmarks
BenchmarkGPT-6 Lunaphi-3-mini 3.8B
LMArena Text1391—
LMArena Creative Writing1363—
LMArena Multi-Turn1396—

Frequently asked questions

Is GPT-6 Luna better than phi-3-mini 3.8B?

GPT-6 Luna has enough public results to be ranked (#36); phi-3-mini 3.8B does not yet, so treat this comparison as directional.

How many benchmarks do GPT-6 Luna and phi-3-mini 3.8B share?

1 benchmark has published results for both models. GPT-6 Luna has 42 scored results on Noometry and phi-3-mini 3.8B has 1.

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