Model comparison

Phi 3 Medium 4k Instruct vs Yi-1.5-34B

Phi 3 Medium 4k Instruct is the stronger model overall, scoring 33.0 to 30.6 on the Noometry Index.

Last verified . 17 shared benchmarks.

Phi 3 Medium 4k Instruct Microsoft

33.0

Rank #250 Confirmed

Yi-1.5-34B 01.AI

30.6

Rank #289 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Phi 3 Medium 4k Instruct scores higher in 3 categories and Yi-1.5-34B in 5 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Phi 3 Medium 4k Instruct leads 30.2 to 14.8.

Side by side

Phi 3 Medium 4k Instruct and Yi-1.5-34B specifications
Phi 3 Medium 4k InstructYi-1.5-34B
ProviderMicrosoft01.AI
Noometry Index33.030.6
Released—2024-05-13
WeightsOpenOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked1721

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Category by category

Coding Too close to call

Phi 3 Medium 4k Instruct: 32.9 (#268), Yi-1.5-34B: 32.4 (#272)

Coding benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Coding11301169
BigCodeBench Instruct—33.9%
BigCodeBench Complete—43.8%

Reasoning Too close to call

Phi 3 Medium 4k Instruct: 21.7 (#214), Yi-1.5-34B: 22.5 (#191)

Reasoning benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Hard Prompts11271160

Math Phi 3 Medium 4k Instruct leads

Phi 3 Medium 4k Instruct: 33.4 (#202), Yi-1.5-34B: 27.5 (#249)

Math benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Math11731182
MATH Level 5—25.5%

Knowledge Phi 3 Medium 4k Instruct leads

Phi 3 Medium 4k Instruct: 30.2 (#229), Yi-1.5-34B: 14.8 (#295)

Knowledge benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Expert11081144
GPQA Diamond—32%

Multilingual Yi-1.5-34B leads

Phi 3 Medium 4k Instruct: 30.6 (#263), Yi-1.5-34B: 32.3 (#256)

Multilingual benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Non-English10941121
LMArena Chinese11081213
LMArena French11101156
LMArena German11011111
LMArena Japanese10421021
LMArena Korean9541005
LMArena Russian11451091
LMArena Spanish10951121

Instruction Following Yi-1.5-34B leads

Phi 3 Medium 4k Instruct: 57.6 (#268), Yi-1.5-34B: 59.2 (#257)

Instruction Following benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Instruction Following11131139

Long Context Too close to call

Phi 3 Medium 4k Instruct: 34.0 (#255), Yi-1.5-34B: 34.6 (#248)

Long Context benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Longer Query11201143

Writing & Preference Yi-1.5-34B leads

Phi 3 Medium 4k Instruct: 34.1 (#272), Yi-1.5-34B: 37.4 (#257)

Writing & Preference benchmarks
BenchmarkPhi 3 Medium 4k InstructYi-1.5-34B
LMArena Text11381173
LMArena Creative Writing11071135
LMArena Multi-Turn10881153

Frequently asked questions

Is Phi 3 Medium 4k Instruct better than Yi-1.5-34B?

Phi 3 Medium 4k Instruct is the stronger model overall, scoring 33.0 to 30.6 on the Noometry Index.

Is Phi 3 Medium 4k Instruct or Yi-1.5-34B better for coding?

They score almost the same on coding (32.9 vs 32.4); test both on your own repository before choosing.

How many benchmarks do Phi 3 Medium 4k Instruct and Yi-1.5-34B share?

17 benchmarks have published results for both models. Phi 3 Medium 4k Instruct has 17 scored results on Noometry and Yi-1.5-34B has 21.

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