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IBM Granite 4.2 3B vs Phi 4 Reasoning

IBM Granite 4.2 3B and Phi 4 Reasoning are closely matched at 15.6 and 12.3 on the LLM Stats Score.

IBM · Microsoft · Updated for 2026

Which is better?

IBM Granite 4.2 3B and Phi 4 Reasoning are closely matched on the overall LLM Stats Score at 15.6 and 12.3.

In the 3 individual benchmarks reported for both models, Phi 4 Reasoning wins 2; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose IBM Granite 4.2 3B

  • you want the most recent training data — it shipped Aug 2026

Choose Phi 4 Reasoning

  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results

At a glance

The differences that matter most.

Core performance indexes
15.6
#213
12.3
#237
12.0
#234
12.9
#226
-6.7
#247
6.5
#177
Cost, coverage & limits
Benchmark wins
1 of 3
2 of 3
Input price
— / M
— / M
Output price
— / M
— / M
Context window

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
IBM Granite 4.2 3B
Phi 4 Reasoning
13.7#216
13.9#213
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for IBM Granite 4.2 3B · 11 for Phi 4 Reasoning

3 shared

IBM Granite 4.2 3B outperforms in 1 benchmarks (AIME 2025), while Phi 4 Reasoning is better at 2 benchmarks (GPQA, MMLU-Pro).

Phi 4 Reasoning shows notably better performance in the majority of benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

11.0B diff

Phi 4 Reasoning has 11.0B more parameters than IBM Granite 4.2 3B, making it 366.7% larger.

IBM
IBM Granite 4.2 3B
3.0Bparameters
Microsoft
Phi 4 Reasoning
14.0Bparameters
3.0B
IBM Granite 4.2 3B
14.0B
Phi 4 Reasoning

License

Usage and distribution terms

IBM Granite 4.2 3B is licensed under Apache 2.0, while Phi 4 Reasoning uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

IBM Granite 4.2 3B

Apache 2.0

Open weights

Phi 4 Reasoning

MIT

Open weights

Release Timeline

When each model was launched

IBM Granite 4.2 3B was released on 2026-08-25, while Phi 4 Reasoning was released on 2025-04-30.

IBM Granite 4.2 3B is 16 months newer than Phi 4 Reasoning.

IBM Granite 4.2 3B

Aug 25, 2026

6 days ago

1.3yr newer
Phi 4 Reasoning

Apr 30, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning has a documented knowledge cutoff of 2025-03-01, while IBM Granite 4.2 3B's cutoff date is not specified.

We can confirm Phi 4 Reasoning's training data extends to 2025-03-01, but cannot make a direct comparison without IBM Granite 4.2 3B's cutoff date.

IBM Granite 4.2 3B

Phi 4 Reasoning

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against IBM Granite 4.2 3B and Phi 4 Reasoning side-by-side, then vote on the output you prefer.

IBM Granite 4.2 3B
✓ Preferred
Phi 4 Reasoning
Open in Playground

FAQ

Common questions about IBM Granite 4.2 3B vs Phi 4 Reasoning.

Which is better, IBM Granite 4.2 3B or Phi 4 Reasoning?

IBM Granite 4.2 3B and Phi 4 Reasoning are closely matched on the LLM Stats Score at 15.6 and 12.3. IBM Granite 4.2 3B is made by IBM and Phi 4 Reasoning is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does IBM Granite 4.2 3B compare to Phi 4 Reasoning in benchmarks?

IBM Granite 4.2 3B scores AIME 2025: 78.3%, IFBench: 74.3%, LiveCodeBench v6: 69.7%, MMLU-Pro: 67.8%, RULER 64k: 67.5%. Phi 4 Reasoning scores FlenQA: 97.7%, HumanEval+: 92.9%, IFEval: 83.4%, OmniMath: 76.6%, AIME 2024: 75.3%.

What are the main differences between IBM Granite 4.2 3B and Phi 4 Reasoning?

Key differences include LLM Stats Score (15.6 vs 12.3), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes IBM Granite 4.2 3B and Phi 4 Reasoning?

IBM Granite 4.2 3B is developed by IBM and Phi 4 Reasoning is developed by Microsoft.