Model comparison

Claude Opus 4.7 vs phi-3-medium 14B

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 29.7 on the Noometry Index.

Last verified . 2 shared benchmarks.

Claude Opus 4.7 Anthropic

58.3

Rank #19 Confirmed

phi-3-medium 14B Microsoft

29.7

Rank #306 Reported

Summary

  • They share 2 benchmarks with published results for both. Claude Opus 4.7 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 4.7 leads 62.6 to 9.1.
  • The biggest single-benchmark swing is GPQA Diamond: 90.2% for Claude Opus 4.7 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 4.7 and phi-3-medium 14B specifications
Claude Opus 4.7phi-3-medium 14B
ProviderAnthropicMicrosoft
Noometry Index58.329.7
Released2026-04-142024-04-23
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6613

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Category by category

Coding Claude Opus 4.7 leads

Claude Opus 4.7: 59.6 (#13), phi-3-medium 14B: 36.8 (#201)

Coding benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
SWE-bench Verified83.5%—
FrontierCode38.5%—
LMArena WebDev1558—
SciCode54.5%—
GSO44.1%—
WeirdML76.4%—
BigCodeBench Instruct—37.6%
LMArena Coding1518—
MirrorCode31.1%—
BigCodeBench Complete—48.7%
ALE-Bench1,323—

Agentic & Tool Use Not comparable

Claude Opus 4.7: 47.9 (#10), phi-3-medium 14B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
Terminal-Bench80.2%—
APEX-Agents49.2%—
OSWorld 2.018.2%—
τ²-bench Banking40.2%—
PostTrainBench28.6%—
ExploitBench26.5%—
GBAEval43.8%—
GDP.pdf21%—
LMArena Search1233—
Vending-Bench 210,937—

Reasoning Not comparable

Claude Opus 4.7: 53.8 (#29), phi-3-medium 14B: —

Reasoning benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
Epoch Capabilities Index156.25121.23
ARC-AGI-275.8%—
SimpleBench61.7%—
Kagi LLM Benchmark80.7%—
NYT Connections (extended)39%—
ARC-AGI-193.5%—
CritPt12%—
Chess Puzzles30%—
Thematic Generalization72.8%—
EBR-Bench19%—
LMArena Hard Prompts1506—
Mystery Game Puzzles28%—
DTBench94.7%—
LMCA52.2%—
Adversarial NLI—55.8%
BIG-Bench Hard—81.4%
ForecastBench60.3—
HellaSwag—82.4%
WinoGrande—81.5%

Math Claude Opus 4.7 leads

Claude Opus 4.7: 66.7 (#26), phi-3-medium 14B: 27.3 (#250)

Knowledge Claude Opus 4.7 leads

Claude Opus 4.7: 62.6 (#23), phi-3-medium 14B: 9.1 (#306)

Knowledge benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
GPQA Diamond90.2%27.6%
Humanity's Last Exam36.2%—
SimpleQA Verified51.7%—
Vectara Hallucination Rate12%—
LMArena Expert1521—
ARC (AI2) Challenge—91.6%
MMLU—78%
OpenBookQA—87.4%
TriviaQA—73.9%

Multimodal Not comparable

Claude Opus 4.7: 41.2 (#38), phi-3-medium 14B: —

Multimodal benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
LMArena Vision1316—
Blueprint-Bench 224.5%—
Furniture Assembly33.3%—
LMArena Document1495—

Multilingual Not comparable

Claude Opus 4.7: 57.3 (#10), phi-3-medium 14B: —

Multilingual benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
LMArena Non-English1480—
LMArena Chinese1531—
LMArena French1503—
LMArena German1495—
LMArena Japanese1472—
LMArena Korean1464—
LMArena Russian1494—
LMArena Spanish1495—

Instruction Following Not comparable

Claude Opus 4.7: 78.4 (#10), phi-3-medium 14B: —

Instruction Following benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
LMArena Instruction Following1498—

Long Context Not comparable

Claude Opus 4.7: 46.2 (#25), phi-3-medium 14B: —

Long Context benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
LMArena Longer Query1505—

Writing & Preference Not comparable

Claude Opus 4.7: 75.1 (#8), phi-3-medium 14B: —

Writing & Preference benchmarks
BenchmarkClaude Opus 4.7phi-3-medium 14B
LMArena Text1490—
LMArena Creative Writing1486—
EQ-Bench Creative Writing1914—
EQ-Bench 41311—
LMArena Multi-Turn1505—

Frequently asked questions

Is Claude Opus 4.7 better than phi-3-medium 14B?

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 29.7 on the Noometry Index.

Is Claude Opus 4.7 or phi-3-medium 14B better for coding?

Claude Opus 4.7 scores higher on coding benchmarks: 59.6 versus 36.8 in the Noometry coding category.

How many benchmarks do Claude Opus 4.7 and phi-3-medium 14B share?

2 benchmarks have published results for both models. Claude Opus 4.7 has 66 scored results on Noometry and phi-3-medium 14B has 13.

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