Model Comparison

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

OpenAI

GPT OSS 120B

OpenAI

GPT OSS 120B is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 2 benchmarks. Notable strengths include GPQA (71.5%), MMLU (54.8%). It supports a 161K token context window for handling large documents. The model is available through 1 API provider. 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.

OpenAI

o1-preview

OpenAI

o1-preview is a language model developed by OpenAI. It achieves strong performance with an average score of 64.8% across 8 benchmarks. It excels particularly in MGSM (90.8%), MMLU (90.8%), MATH (85.5%). The model shows particular specialization in math tasks with an average performance of 88.1%. It supports a 161K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.

OpenAI

o1-preview

OpenAI

2024-09-12

OpenAI

GPT OSS 120B

OpenAI

2025-08-05

10 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT OSS 120B

$74.25 cheaper
Input:$0.15
Output:$0.60
OpenAI

o1-preview

Input:$15.00
Output:$60.00

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 120B

Larger context
Max Context:161.0K
Parameters:120.0B
OpenAI

o1-preview

Max Context:160.8K

Average performance across 2 common benchmarks

OpenAI

GPT OSS 120B

Average Score:63.1%
OpenAI

o1-preview

+18.9%
Average Score:82.0%

Performance comparison across key benchmark categories

OpenAI

GPT OSS 120B

general
+5.2%
63.1%
OpenAI

o1-preview

general
58.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT OSS 120B

1 providers

ZeroEval

Throughput: 500 tok/s
Latency: 0.5ms
OpenAI

o1-preview

2 providers

Azure

Throughput: 16 tok/s
Latency: 0.54ms

OpenAI

Throughput: 66 tok/s
Latency: 16.2ms
OpenAI

GPT OSS 120B

Avg Score:63.1%
Providers:1
OpenAI

o1-preview

+18.9%
Avg Score:82.0%
Providers:2