The AI arena is free today

Open Superagent

IBM Granite 4.2 30B vs Phi 4 Reasoning Plus

IBM Granite 4.2 30B leads the LLM Stats Score 24.0 to 15.3.

IBM · Microsoft · Updated for 2026

Which is better?

IBM Granite 4.2 30B leads the overall LLM Stats Score 24.0 to 15.3, ranking #156 overall.

In the 3 individual benchmarks reported for both models, IBM Granite 4.2 30B 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 30B

  • overall performance matters — it scores 24.0 and ranks #156 on LLM Stats
  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you want the most recent training data — it shipped Aug 2026

Choose Phi 4 Reasoning Plus

  • you are already invested in the Microsoft ecosystem

At a glance

The differences that matter most.

Core performance indexes
24.0
#156
15.3
#214
21.8
#165
15.6
#209
9.6
#159
5.8
#183
Cost, coverage & limits
Benchmark wins
2 of 3
1 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 30B
Phi 4 Reasoning Plus
25.6#103
18.3#172
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for IBM Granite 4.2 30B · 11 for Phi 4 Reasoning Plus

3 shared

IBM Granite 4.2 30B outperforms in 2 benchmarks (AIME 2025, MMLU-Pro), while Phi 4 Reasoning Plus is better at 1 benchmark (GPQA).

IBM Granite 4.2 30B shows notably better performance in the majority of benchmarks.

Tue Sep 01 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

16.0B diff

IBM Granite 4.2 30B has 16.0B more parameters than Phi 4 Reasoning Plus, making it 114.3% larger.

IBM
IBM Granite 4.2 30B
30.0Bparameters
Microsoft
Phi 4 Reasoning Plus
14.0Bparameters
30.0B
IBM Granite 4.2 30B
14.0B
Phi 4 Reasoning Plus

License

Usage and distribution terms

IBM Granite 4.2 30B is licensed under Apache 2.0, while Phi 4 Reasoning Plus uses MIT.

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

IBM Granite 4.2 30B

Apache 2.0

Open weights

Phi 4 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

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

IBM Granite 4.2 30B is 16 months newer than Phi 4 Reasoning Plus.

IBM Granite 4.2 30B

Aug 25, 2026

6 days ago

1.3yr newer
Phi 4 Reasoning Plus

Apr 30, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while IBM Granite 4.2 30B's cutoff date is not specified.

We can confirm Phi 4 Reasoning Plus's training data extends to 2025-03-01, but cannot make a direct comparison without IBM Granite 4.2 30B's cutoff date.

IBM Granite 4.2 30B

Phi 4 Reasoning Plus

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 30B and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.

IBM Granite 4.2 30B
✓ Preferred
Phi 4 Reasoning Plus
Open in Playground

FAQ

Common questions about IBM Granite 4.2 30B vs Phi 4 Reasoning Plus.

Which is better, IBM Granite 4.2 30B or Phi 4 Reasoning Plus?

IBM Granite 4.2 30B leads the LLM Stats Score 24.0 to 15.3. IBM Granite 4.2 30B is made by IBM and Phi 4 Reasoning Plus 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 30B compare to Phi 4 Reasoning Plus in benchmarks?

IBM Granite 4.2 30B scores RULER 64k: 90.0%, AIME 2025: 89.2%, HMMT25: 89.2%, RULER 128k: 81.4%, MMLU-Pro: 77.6%. Phi 4 Reasoning Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.

What are the main differences between IBM Granite 4.2 30B and Phi 4 Reasoning Plus?

Key differences include LLM Stats Score (24.0 vs 15.3), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes IBM Granite 4.2 30B and Phi 4 Reasoning Plus?

IBM Granite 4.2 30B is developed by IBM and Phi 4 Reasoning Plus is developed by Microsoft.