Model comparison

GPT-5.6 Luna vs phi-3-small 7.4B

GPT-5.6 Luna has enough public results to be ranked (#24); phi-3-small 7.4B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

GPT-5.6 Luna OpenAI

54.7

Rank #24 Confirmed

Summary

  • They share 1 benchmark with published results for both.

Side by side

GPT-5.6 Luna and phi-3-small 7.4B specifications
GPT-5.6 Lunaphi-3-small 7.4B
ProviderOpenAIMicrosoft
Noometry Index54.7—
Released2026-07-09—
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$0.20—
Output $ / M tokens$1.20—
Results tracked511

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Category by category

Coding Not comparable

GPT-5.6 Luna: 53.9 (#25), phi-3-small 7.4B: —

Coding benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
DeepSWE67.2%—
FrontierCode39.8%—
CursorBench35.9%—
LMArena WebDev1517—
SciCode53.6%—
WeirdML60.9%—
LMArena Coding1466—
ALE-Bench1,667—

Agentic & Tool Use Not comparable

GPT-5.6 Luna: 35.3 (#37), phi-3-small 7.4B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
BALROG45.6%—
GDP.pdf22.7%—
Vending-Bench 24,095—

Reasoning Not comparable

GPT-5.6 Luna: 47.5 (#38), phi-3-small 7.4B: —

Reasoning benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
Epoch Capabilities Index156.32121.79
ARC-AGI-259.5%—
SimpleBench46.8%—
Kagi LLM Benchmark49.1%—
NYT Connections (extended)69.4%—
ARC-AGI-188%—
CritPt20.6%—
Chess Puzzles40%—
LMArena Hard Prompts1452—
Mystery Game Puzzles21%—
DTBench89.1%—
LMCA48.5%—
Surface Evolver Bench61.9%—

Math Not comparable

GPT-5.6 Luna: 77.5 (#12), phi-3-small 7.4B: —

Math benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
FrontierMath (Tiers 1-3)82.1%—
FrontierMath Tier 461%—
OTIS Mock AIME 2024-202598.3%—
ProofBench60%—
LMArena Math1455—

Knowledge Not comparable

GPT-5.6 Luna: 58.6 (#31), phi-3-small 7.4B: —

Knowledge benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
GPQA Diamond91.6%—
SimpleQA Verified41%—
LMArena Expert1479—

Multimodal Not comparable

GPT-5.6 Luna: 43.0 (#22), phi-3-small 7.4B: —

Multimodal benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
LMArena Vision1259—
Blueprint-Bench 222.6%—
Furniture Assembly42.5%—
LMArena Document1457—

Multilingual Not comparable

GPT-5.6 Luna: 53.0 (#73), phi-3-small 7.4B: —

Multilingual benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
LMArena Non-English1418—
LMArena Chinese1469—
LMArena French1457—
LMArena German1459—
LMArena Japanese1416—
LMArena Korean1414—
LMArena Russian1428—
LMArena Spanish1445—

Instruction Following Not comparable

GPT-5.6 Luna: 76.0 (#48), phi-3-small 7.4B: —

Instruction Following benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
LMArena Instruction Following1440—

Long Context Not comparable

GPT-5.6 Luna: 43.9 (#78), phi-3-small 7.4B: —

Long Context benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
LMArena Longer Query1437—

Writing & Preference Not comparable

GPT-5.6 Luna: 68.3 (#27), phi-3-small 7.4B: —

Writing & Preference benchmarks
BenchmarkGPT-5.6 Lunaphi-3-small 7.4B
LMArena Text1432—
LMArena Creative Writing1397—
EQ-Bench Creative Writing1829—
EQ-Bench 41156—
LMArena Multi-Turn1433—

Frequently asked questions

Is GPT-5.6 Luna better than phi-3-small 7.4B?

GPT-5.6 Luna has enough public results to be ranked (#24); phi-3-small 7.4B does not yet, so treat this comparison as directional.

How many benchmarks do GPT-5.6 Luna and phi-3-small 7.4B share?

1 benchmark has published results for both models. GPT-5.6 Luna has 51 scored results on Noometry and phi-3-small 7.4B has 1.

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