Model Comparison

IBM Granite 4.0 Tiny Preview vs Phi 4 ReasoningWhich is better in 2026?

Phi 4 Reasoning significantly outperforms across most benchmarks.

Verdict: IBM Granite 4.0 Tiny Preview vs Phi 4 Reasoning — which is better?

IBM Granite 4.0 Tiny Preview (by IBM) and Phi 4 Reasoning (by Microsoft) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

IBM Granite 4.0 Tiny Preview outperforms in 0 benchmarks, while Phi 4 Reasoning is better at 3 benchmarks (Arena Hard, HumanEval+, IFEval). Phi 4 Reasoning significantly outperforms across most benchmarks.

Choose IBM Granite 4.0 Tiny Preview if…

  • you want the most recent training data — it shipped May 2025

Choose Phi 4 Reasoning if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

IBM Granite 4.0 Tiny Preview outperforms in 0 benchmarks, while Phi 4 Reasoning is better at 3 benchmarks (Arena Hard, HumanEval+, IFEval).

Phi 4 Reasoning significantly outperforms across most benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

7.0B diff

Phi 4 Reasoning has 7.0B more parameters than IBM Granite 4.0 Tiny Preview, making it 100.0% larger.

IBM
IBM Granite 4.0 Tiny Preview
7.0Bparameters
Microsoft
Phi 4 Reasoning
14.0Bparameters
7.0B
IBM Granite 4.0 Tiny Preview
14.0B
Phi 4 Reasoning

License

Usage and distribution terms

IBM Granite 4.0 Tiny Preview 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 4.0 Tiny Preview

Apache 2.0

Open weights

Phi 4 Reasoning

MIT

Open weights

Release Timeline

When each model was launched

IBM Granite 4.0 Tiny Preview was released on 2025-05-02, while Phi 4 Reasoning was released on 2025-04-30.

IBM Granite 4.0 Tiny Preview is 0 month newer than Phi 4 Reasoning.

IBM Granite 4.0 Tiny Preview

May 2, 2025

1.1 years ago

2d newer
Phi 4 Reasoning

Apr 30, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning has a documented knowledge cutoff of 2025-03-01, while IBM Granite 4.0 Tiny Preview'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 4.0 Tiny Preview's cutoff date.

IBM Granite 4.0 Tiny Preview

Phi 4 Reasoning

Mar 2025

Outputs Comparison

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Key Takeaways

No standout differentiators in the data we have for this pair.

Higher Arena Hard score (73.3% vs 26.7%)
Higher HumanEval+ score (92.9% vs 78.3%)
Higher IFEval score (83.4% vs 63.0%)

Detailed Comparison

AI Model Comparison Table
Feature
IBM
IBM Granite 4.0 Tiny Preview
Microsoft
Phi 4 Reasoning

FAQ

Common questions about IBM Granite 4.0 Tiny Preview vs Phi 4 Reasoning.

Which is better, IBM Granite 4.0 Tiny Preview or Phi 4 Reasoning?

Phi 4 Reasoning significantly outperforms across most benchmarks. IBM Granite 4.0 Tiny Preview is made by IBM and Phi 4 Reasoning is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does IBM Granite 4.0 Tiny Preview compare to Phi 4 Reasoning in benchmarks?

IBM Granite 4.0 Tiny Preview scores AttaQ: 86.1%, HumanEval: 82.4%, HumanEval+: 78.3%, GSM8k: 70.1%, IFEval: 63.0%. 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 4.0 Tiny Preview and Phi 4 Reasoning?

Key differences include licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes IBM Granite 4.0 Tiny Preview and Phi 4 Reasoning?

IBM Granite 4.0 Tiny Preview is developed by IBM and Phi 4 Reasoning is developed by Microsoft.