Model comparison

Claude Opus 4.6 vs Phi-3.5-mini

Claude Opus 4.6 has enough public results to be ranked (#18); Phi-3.5-mini does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Opus 4.6 Anthropic

58.3

Rank #18 Confirmed

Phi-3.5-mini Microsoft

36.4

Unranked Sparse

Summary

  • The widest gap is in coding, where Claude Opus 4.6 leads 57.7 to 34.0.
  • Phi-3.5-mini has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.6 and Phi-3.5-mini specifications
Claude Opus 4.6Phi-3.5-mini
ProviderAnthropicMicrosoft
Noometry Index58.336.4
Released2026-02-042024-08-16
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked685

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.7 (#15), Phi-3.5-mini: 34.0 (#231)

Coding benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
SWE-bench Verified78.7%—
FrontierCode26.6%—
SWE-bench Verified (bash only)75.6%—
LMArena WebDev1546—
SWE-bench Multilingual72%—
GSO41.2%—
WeirdML78%—
BigCodeBench Instruct—32.8%
LMArena Coding1535—
BigCodeBench Complete—38.5%
ALE-Bench996.5—
AlgoTune1.47—

Agentic & Tool Use Not comparable

Claude Opus 4.6: 51.0 (#4), Phi-3.5-mini: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
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-3.5-mini: —

Reasoning benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
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%—
Epoch Capabilities Index155.36—
ForecastBench60—
PIQA—81%

Math Not comparable

Claude Opus 4.6: 62.7 (#25), Phi-3.5-mini: —

Knowledge Not comparable

Claude Opus 4.6: 61.8 (#23), Phi-3.5-mini: —

Knowledge benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
GPQA Diamond90.5%—
Humanity's Last Exam34.4%—
SimpleQA Verified47%—
Vectara Hallucination Rate12.2%—
LMArena Expert1546—
BoolQ—78%

Multimodal Not comparable

Claude Opus 4.6: 37.0 (#67), Phi-3.5-mini: —

Multimodal benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Not comparable

Claude Opus 4.6: 58.2 (#4), Phi-3.5-mini: —

Multilingual benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
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-3.5-mini: —

Instruction Following benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
LMArena Instruction Following1523—

Long Context Not comparable

Claude Opus 4.6: 48.1 (#13), Phi-3.5-mini: —

Long Context benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
CL-bench20.7%—
CL-bench Life17%—
LMArena Longer Query1520—

Writing & Preference Not comparable

Claude Opus 4.6: 73.7 (#9), Phi-3.5-mini: —

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6Phi-3.5-mini
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-3.5-mini?

Claude Opus 4.6 has enough public results to be ranked (#18); Phi-3.5-mini does not yet, so treat this comparison as directional.

Is Claude Opus 4.6 or Phi-3.5-mini better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.7 versus 34.0 in the Noometry coding category.

How many benchmarks do Claude Opus 4.6 and Phi-3.5-mini share?

0 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and Phi-3.5-mini has 5.

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