Model Comparison

GPT-4o vs Phi-4-multimodal-instruct

GPT-4o significantly outperforms across most benchmarks. Phi-4-multimodal-instruct is 70.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-4o outperforms in 1 benchmarks (MathVista), while Phi-4-multimodal-instruct is better at 0 benchmarks.

GPT-4o significantly outperforms across most benchmarks.

Thu May 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Phi-4-multimodal-instruct costs less

For input processing, GPT-4o ($2.50/1M tokens) is 50.0x more expensive than Phi-4-multimodal-instruct ($0.05/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 100.0x more expensive than Phi-4-multimodal-instruct ($0.10/1M tokens).

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

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

Lowest available price from all providers
Thu May 14 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
Microsoft
Phi-4-multimodal-instruct
Input tokens$0.05
Output tokens$0.10
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. Phi-4-multimodal-instruct can generate longer responses up to 128,000 tokens, while GPT-4o is limited to 4,096 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output4,096 tokens
Microsoft
Phi-4-multimodal-instruct
Input128,000 tokens
Output128,000 tokens
Thu May 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and Phi-4-multimodal-instruct support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-4o

Text
Images
Audio
Video

Phi-4-multimodal-instruct

Text
Images
Audio
Video

License

Usage and distribution terms

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

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

GPT-4o

Proprietary

Closed source

Phi-4-multimodal-instruct

MIT

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-05-13, while Phi-4-multimodal-instruct was released on 2025-02-01.

Phi-4-multimodal-instruct is 9 months newer than GPT-4o.

GPT-4o

May 13, 2024

2.0 years ago

Phi-4-multimodal-instruct

Feb 1, 2025

1.3 years ago

8mo newer

Knowledge Cutoff

When training data ends

Phi-4-multimodal-instruct has a documented knowledge cutoff of 2024-06-01, while GPT-4o's cutoff date is not specified.

We can confirm Phi-4-multimodal-instruct's training data extends to 2024-06-01, but cannot make a direct comparison without GPT-4o's cutoff date.

GPT-4o

—

Phi-4-multimodal-instruct

Jun 2024

Provider Availability

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

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

Phi-4-multimodal-instruct

deepinfra logo
Deepinfra
Input Price:Input: $0.05/1MOutput Price:Output: $0.10/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Higher MathVista score (63.8% vs 62.4%)
Microsoft
Less expensive input tokens
Less expensive output tokens
Has open weights
OpenAIGPT-4o
MicrosoftPhi-4-multimodal-instruct
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Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Microsoft
Phi-4-multimodal-instruct

FAQ

Common questions about GPT-4o vs Phi-4-multimodal-instruct.

Which is better, GPT-4o or Phi-4-multimodal-instruct?

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and Phi-4-multimodal-instruct is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4o compare to Phi-4-multimodal-instruct in benchmarks?

GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%. Phi-4-multimodal-instruct scores ScienceQA Visual: 97.5%, DocVQA: 93.2%, MMBench: 86.7%, POPE: 85.6%, OCRBench: 84.4%.

Is GPT-4o cheaper than Phi-4-multimodal-instruct?

Phi-4-multimodal-instruct is 50.0x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Phi-4-multimodal-instruct costs $0.05/M input and $0.10/M output via deepinfra.

What are the context window sizes for GPT-4o and Phi-4-multimodal-instruct?

GPT-4o supports 128K tokens and Phi-4-multimodal-instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o and Phi-4-multimodal-instruct?

Key differences include input pricing ($2.50 vs $0.05/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and Phi-4-multimodal-instruct?

GPT-4o is developed by OpenAI and Phi-4-multimodal-instruct is developed by Microsoft.