Model Comparison

GPT-3.5 Turbo vs Phi 4 Mini

Both models are evenly matched across the benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

GPT-3.5 Turbo outperforms in 2 benchmarks (GPQA, MMLU), while Phi 4 Mini is better at 2 benchmarks (MATH, MGSM).

Both models are evenly matched across the benchmarks.

Mon May 25 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-3.5 Turbo specifies input context (16,385 tokens). Only GPT-3.5 Turbo specifies output context (4,096 tokens).

OpenAI
GPT-3.5 Turbo
Input16,385 tokens
Output4,096 tokens
Microsoft
Phi 4 Mini
Input- tokens
Output- tokens
Mon May 25 2026 • llm-stats.com

License

Usage and distribution terms

GPT-3.5 Turbo is licensed under a proprietary license, while Phi 4 Mini uses MIT.

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

GPT-3.5 Turbo

Proprietary

Closed source

Phi 4 Mini

MIT

Open weights

Release Timeline

When each model was launched

GPT-3.5 Turbo was released on 2023-03-21, while Phi 4 Mini was released on 2025-02-01.

Phi 4 Mini is 23 months newer than GPT-3.5 Turbo.

GPT-3.5 Turbo

Mar 21, 2023

3.2 years ago

Phi 4 Mini

Feb 1, 2025

1.3 years ago

1.9yr newer

Knowledge Cutoff

When training data ends

GPT-3.5 Turbo has a knowledge cutoff of 2021-09-30, while Phi 4 Mini has a cutoff of 2024-06-01.

Phi 4 Mini has more recent training data (up to 2024-06-01), making it potentially better informed about events through that date compared to GPT-3.5 Turbo (2021-09-30).

GPT-3.5 Turbo

Sep 2021

Phi 4 Mini

Jun 2024

2.8 yr newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (16,385 tokens)
Higher GPQA score (30.8% vs 25.2%)
Higher MMLU score (69.8% vs 67.3%)
Microsoft
Has open weights
Higher MATH score (64.0% vs 43.1%)
Higher MGSM score (63.9% vs 56.3%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-3.5 Turbo
Microsoft
Phi 4 Mini

FAQ

Common questions about GPT-3.5 Turbo vs Phi 4 Mini.

Which is better, GPT-3.5 Turbo or Phi 4 Mini?

Both models are evenly matched across the benchmarks. GPT-3.5 Turbo is made by OpenAI and Phi 4 Mini is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-3.5 Turbo compare to Phi 4 Mini in benchmarks?

GPT-3.5 Turbo scores DROP: 70.2%, MMLU: 69.8%, HumanEval: 68.0%, MGSM: 56.3%, MATH: 43.1%. Phi 4 Mini scores GSM8k: 88.6%, ARC-C: 83.7%, BoolQ: 81.2%, OpenBookQA: 79.2%, PIQA: 77.6%.

What are the context window sizes for GPT-3.5 Turbo and Phi 4 Mini?

GPT-3.5 Turbo supports 16K tokens and Phi 4 Mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-3.5 Turbo and Phi 4 Mini?

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

Who makes GPT-3.5 Turbo and Phi 4 Mini?

GPT-3.5 Turbo is developed by OpenAI and Phi 4 Mini is developed by Microsoft.