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.

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 20B

OpenAI

2025-08-05

10 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT OSS 20B

$74.40 cheaper
Input:$0.10
Output:$0.50
OpenAI

o1-preview

Input:$15.00
Output:$60.00

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 20B

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

o1-preview

Max Context:160.8K

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
OpenAI

o1-preview

2 providers

Azure

Throughput: 16 tok/s
Latency: 0.54ms

OpenAI

Throughput: 66 tok/s
Latency: 16.2ms
OpenAI

GPT OSS 20B

Avg Score:0.0%
Providers:2
OpenAI

o1-preview

Avg Score:0.0%
Providers:2