Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

OpenAI

GPT OSS 20B

OpenAI

GPT OSS 20B is a multimodal language model developed by OpenAI. It supports a 262K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.

Microsoft

Phi 4

Microsoft

Phi 4 is a language model developed by Microsoft. It achieves strong performance with an average score of 66.0% across 13 benchmarks. It excels particularly in MMLU (84.8%), HumanEval+ (82.8%), HumanEval (82.6%). The model shows particular specialization in math tasks with an average performance of 80.5%. The model is available through 1 API provider. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2024, it represents Microsoft's latest advancement in AI technology.

Microsoft

Phi 4

Microsoft

2024-12-12

OpenAI

GPT OSS 20B

OpenAI

2025-08-05

7 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT OSS 20B

Input:$0.10
Output:$0.50
Microsoft

Phi 4

$0.39 cheaper
Input:$0.07
Output:$0.14

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 20B

Larger context
Max Context:262.1K
Parameters:20.0B
Microsoft

Phi 4

Max Context:32.0K
Parameters:14.7B
Knowledge Cutoff
Training data recency comparison

Phi 4

2024-06-01

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT OSS 20B

2 providers

ZeroEval

Throughput: 1000 tok/s
Latency: 0.38ms

OpenAI

Throughput: 115 tok/s
Latency: 5.2ms
Microsoft

Phi 4

1 providers

DeepInfra

Throughput: 33 tok/s
Latency: 0.2ms
OpenAI

GPT OSS 20B

Avg Score:0.0%
Providers:2
Microsoft

Phi 4

Avg Score:0.0%
Providers:1