Model Comparison

GPT-4 vs Phi 4

Phi 4 shows notably better performance in the majority of benchmarks. Phi 4 is 428.6x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

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

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

Sun Apr 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Phi 4 costs less

For input processing, GPT-4 ($30.00/1M tokens) is 428.6x more expensive than Phi 4 ($0.07/1M tokens).

For output processing, GPT-4 ($60.00/1M tokens) is 428.6x more expensive than Phi 4 ($0.14/1M tokens).

In conclusion, GPT-4 is more expensive than Phi 4.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Apr 05 2026 • llm-stats.com
OpenAI
GPT-4
Input tokens$30.00
Output tokens$60.00
Best providerAzure
Microsoft
Phi 4
Input tokens$0.07
Output tokens$0.14
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-4 accepts 32,768 input tokens compared to Phi 4's 16,000 tokens. GPT-4 can generate longer responses up to 32,768 tokens, while Phi 4 is limited to 16,000 tokens.

OpenAI
GPT-4
Input32,768 tokens
Output32,768 tokens
Microsoft
Phi 4
Input16,000 tokens
Output16,000 tokens
Sun Apr 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4 supports multimodal inputs, whereas Phi 4 does not.

GPT-4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4

Text
Images
Audio
Video

Phi 4

Text
Images
Audio
Video

License

Usage and distribution terms

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

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

GPT-4

Proprietary

Closed source

Phi 4

MIT

Open weights

Release Timeline

When each model was launched

GPT-4 was released on 2023-06-13, while Phi 4 was released on 2024-12-12.

Phi 4 is 18 months newer than GPT-4.

GPT-4

Jun 13, 2023

2.8 years ago

Phi 4

Dec 12, 2024

1.3 years ago

1.5yr newer

Knowledge Cutoff

When training data ends

GPT-4 has a knowledge cutoff of 2022-12-31, while Phi 4 has a cutoff of 2024-06-01.

Phi 4 has more recent training data (up to 2024-06-01), making it potentially better informed about events through that date compared to GPT-4 (2022-12-31).

GPT-4

Dec 2022

Phi 4

Jun 2024

1.5 yr newer

Provider Availability

GPT-4 is available from Azure, OpenAI. Phi 4 is available from DeepInfra.

GPT-4

azure logo
Azure
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M

Phi 4

deepinfra logo
Deepinfra
Input Price:Input: $0.07/1MOutput Price:Output: $0.14/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (32,768 tokens)
Supports multimodal inputs
Higher DROP score (80.9% vs 75.5%)
Higher MMLU score (86.4% vs 84.8%)
Microsoft
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher GPQA score (56.1% vs 35.7%)
Higher HumanEval score (82.6% vs 67.0%)
Higher MATH score (80.4% vs 42.0%)
Higher MGSM score (80.6% vs 74.5%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4
Microsoft
Phi 4

FAQ

Common questions about GPT-4 vs Phi 4

Phi 4 shows notably better performance in the majority of benchmarks. GPT-4 is made by OpenAI and Phi 4 is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4 scores AI2 Reasoning Challenge (ARC): 96.3%, HellaSwag: 95.3%, Uniform Bar Exam: 90.0%, SAT Math: 89.0%, LSAT: 88.0%. Phi 4 scores MMLU: 84.8%, HumanEval+: 82.8%, HumanEval: 82.6%, MGSM: 80.6%, MATH: 80.4%.
Phi 4 is 428.6x cheaper for input tokens. GPT-4 costs $30.00/M input and $60.00/M output via azure. Phi 4 costs $0.07/M input and $0.14/M output via deepinfra.
GPT-4 supports 33K tokens and Phi 4 supports 16K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (33K vs 16K), input pricing ($30.00 vs $0.07/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
GPT-4 is developed by OpenAI and Phi 4 is developed by Microsoft.