Model comparison

Granite 3.1 8b Instruct vs Phi-4

Granite 3.1 8b Instruct and Phi-4 score almost the same on the Noometry Index (31.8 vs 30.9), so choose on price, context window or the category you care about most.

Last verified . 13 shared benchmarks.

Granite 3.1 8b Instruct IBM

31.8

Rank #256 Confirmed

Phi-4 Microsoft

30.9

Rank #269 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Granite 3.1 8b Instruct scores higher in 4 categories and Phi-4 in 5 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Granite 3.1 8b Instruct leads 30.4 to 19.6.

Side by side

Granite 3.1 8b Instruct and Phi-4 specifications
Granite 3.1 8b InstructPhi-4
ProviderIBMMicrosoft
Noometry Index31.830.9
Released—2024-12-11
WeightsOpenOpen
Context window—128K
Max output—4K
Input $ / M tokens—$0.07
Output $ / M tokens—$0.14
Results tracked1337

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Category by category

Coding Too close to call

Granite 3.1 8b Instruct: 33.9 (#232), Phi-4: 33.8 (#237)

Coding benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Coding11861231
BigCodeBench Instruct—45.5%
LiveBench Coding—30.7%
BigCodeBench Complete—55.4%

Agentic & Tool Use Granite 3.1 8b Instruct leads

Granite 3.1 8b Instruct: 23.9 (#113), Phi-4: 22.6 (#120)

Agentic & Tool Use benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
Berkeley Function Calling Leaderboard27.1%28.8%
BALROG—11.6%

Reasoning Granite 3.1 8b Instruct leads

Granite 3.1 8b Instruct: 21.2 (#204), Phi-4: 17.0 (#287)

Reasoning benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Hard Prompts11461220
Chess Puzzles—1%
LiveBench Reasoning—47.8%
LiveBench Data Analysis—45.2%
Epoch Capabilities Index—130.43
LiveBench—41.6%

Math Granite 3.1 8b Instruct leads

Granite 3.1 8b Instruct: 30.4 (#210), Phi-4: 19.6 (#279)

Math benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Math11521246
OTIS Mock AIME 2024-2025—13.8%
LiveBench Math—42%
MATH Level 5—64.9%

Knowledge Phi-4 leads

Granite 3.1 8b Instruct: 30.6 (#218), Phi-4: 32.5 (#204)

Knowledge benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Expert11421203
GPQA Diamond—56.1%
Confabulations—29.4%
Vectara Hallucination Rate—3.7%
MMLU—84.8%

Multilingual Phi-4 leads

Granite 3.1 8b Instruct: 31.1 (#255), Phi-4: 37.4 (#232)

Multilingual benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Non-English10991197
LMArena Chinese11451211
LMArena Russian10921209
LMArena French—1223
LMArena German—1222
LMArena Japanese—1158
LMArena Korean—1151
LMArena Spanish—1234

Instruction Following Phi-4 leads

Granite 3.1 8b Instruct: 58.9 (#254), Phi-4: 60.6 (#246)

Instruction Following benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Instruction Following11311201
LiveBench Instruction Following—58.4%

Long Context Phi-4 leads

Granite 3.1 8b Instruct: 35.2 (#236), Phi-4: 36.9 (#221)

Long Context benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Longer Query11621217

Writing & Preference Phi-4 leads

Granite 3.1 8b Instruct: 35.7 (#261), Phi-4: 40.7 (#239)

Writing & Preference benchmarks
BenchmarkGranite 3.1 8b InstructPhi-4
LMArena Text11501217
LMArena Creative Writing11291182
LMArena Multi-Turn11081206
Short-Story Creative Writing—62.6%
LiveBench Language—25.6%

Frequently asked questions

Is Granite 3.1 8b Instruct better than Phi-4?

Granite 3.1 8b Instruct and Phi-4 score almost the same on the Noometry Index (31.8 vs 30.9), so choose on price, context window or the category you care about most.

Is Granite 3.1 8b Instruct or Phi-4 better for coding?

They score almost the same on coding (33.9 vs 33.8); test both on your own repository before choosing.

How many benchmarks do Granite 3.1 8b Instruct and Phi-4 share?

13 benchmarks have published results for both models. Granite 3.1 8b Instruct has 13 scored results on Noometry and Phi-4 has 37.

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