Model comparison

Claude Opus 4.6 vs phi-3-medium 14B

Claude Opus 4.6 is the stronger model overall, scoring 58.3 to 29.1 on the Noometry Index.

Last verified . 2 shared benchmarks.

Claude Opus 4.6 Anthropic

58.3

Rank #18 Confirmed

phi-3-medium 14B Microsoft

29.1

Rank #306 Reported

Summary

  • They share 2 benchmarks with published results for both. Claude Opus 4.6 scores higher in 3 categories and phi-3-medium 14B in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Opus 4.6 leads 61.8 to 9.1.
  • The biggest single-benchmark swing is GPQA Diamond: 90.5% for Claude Opus 4.6 and 27.6% for phi-3-medium 14B.
  • phi-3-medium 14B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.6 and phi-3-medium 14B specifications
Claude Opus 4.6phi-3-medium 14B
ProviderAnthropicMicrosoft
Noometry Index58.329.1
Released2026-02-042024-04-23
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6813

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.7 (#15), phi-3-medium 14B: 36.3 (#198)

Coding benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
SWE-bench Verified78.7%—
FrontierCode26.6%—
SWE-bench Verified (bash only)75.6%—
LMArena WebDev1546—
SWE-bench Multilingual72%—
GSO41.2%—
WeirdML78%—
BigCodeBench Instruct—37.6%
LMArena Coding1535—
BigCodeBench Complete—48.7%
ALE-Bench996.5—
AlgoTune1.47—

Agentic & Tool Use Not comparable

Claude Opus 4.6: 51.0 (#4), phi-3-medium 14B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
Terminal-Bench79.8%—
APEX-Agents46.3%—
Remote Labor Index4.2%—
τ²-bench Banking27.3%—
Cybench93%—
DeepResearch Bench55.3%—
GBAEval44.1%—
LMArena Search1253—
METR Time Horizons78.9%—
Vending-Bench 28,018—

Reasoning Not comparable

Claude Opus 4.6: 57.7 (#21), phi-3-medium 14B: —

Reasoning benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
Epoch Capabilities Index155.36121.18
ARC-AGI-269.2%—
SimpleBench67.6%—
Kagi LLM Benchmark83.6%—
NYT Connections (extended)92.1%—
ARC-AGI-194%—
Chess Puzzles17%—
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
LMArena Hard Prompts1527—
Mystery Game Puzzles25%—
DTBench91.2%—
LMCA55.8%—
Adversarial NLI—55.8%
BIG-Bench Hard—81.4%
ForecastBench60—
HellaSwag—82.4%
WinoGrande—81.5%

Math Claude Opus 4.6 leads

Claude Opus 4.6: 62.7 (#25), phi-3-medium 14B: 25.2 (#249)

Knowledge Claude Opus 4.6 leads

Claude Opus 4.6: 61.8 (#23), phi-3-medium 14B: 9.1 (#301)

Knowledge benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
GPQA Diamond90.5%27.6%
Humanity's Last Exam34.4%—
SimpleQA Verified47%—
Vectara Hallucination Rate12.2%—
LMArena Expert1546—
ARC (AI2) Challenge—91.6%
MMLU—78%
OpenBookQA—87.4%
TriviaQA—73.9%

Multimodal Not comparable

Claude Opus 4.6: 37.0 (#67), phi-3-medium 14B: —

Multimodal benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Not comparable

Claude Opus 4.6: 58.2 (#4), phi-3-medium 14B: —

Multilingual benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
LMArena Non-English1490—
LMArena Chinese1551—
LMArena French1513—
LMArena German1504—
LMArena Japanese1484—
LMArena Korean1465—
LMArena Russian1497—
LMArena Spanish1512—

Instruction Following Not comparable

Claude Opus 4.6: 79.7 (#3), phi-3-medium 14B: —

Instruction Following benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
LMArena Instruction Following1523—

Long Context Not comparable

Claude Opus 4.6: 48.1 (#13), phi-3-medium 14B: —

Long Context benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
CL-bench20.7%—
CL-bench Life17%—
LMArena Longer Query1520—

Writing & Preference Not comparable

Claude Opus 4.6: 73.7 (#9), phi-3-medium 14B: —

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6phi-3-medium 14B
LMArena Text1504—
LMArena Creative Writing1506—
EQ-Bench Creative Writing1809—
EQ-Bench 41223—
LMArena Multi-Turn1514—

Frequently asked questions

Is Claude Opus 4.6 better than phi-3-medium 14B?

Claude Opus 4.6 is the stronger model overall, scoring 58.3 to 29.1 on the Noometry Index.

Is Claude Opus 4.6 or phi-3-medium 14B better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.7 versus 36.3 in the Noometry coding category.

How many benchmarks do Claude Opus 4.6 and phi-3-medium 14B share?

2 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and phi-3-medium 14B has 13.

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