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.

Amazon

Nova Pro

Amazon

Nova Pro is a multimodal language model developed by Amazon. It achieves strong performance with an average score of 73.2% across 27 benchmarks. It excels particularly in ARC-C (94.8%), GSM8k (94.8%), DocVQA (93.5%). It supports a 600K 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. Released in 2024, it represents Amazon's latest advancement in AI technology.

Amazon

Nova Pro

Amazon

2024-11-20

OpenAI

GPT OSS 20B

OpenAI

2025-08-05

8 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT OSS 20B

$3.40 cheaper
Input:$0.10
Output:$0.50
Amazon

Nova Pro

Input:$0.80
Output:$3.20

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 20B

Max Context:262.1K
Parameters:20.0B
Amazon

Nova Pro

Larger context
Max Context:600.0K

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
Amazon

Nova Pro

1 providers

Bedrock

Throughput: 100 tok/s
Latency: 0.5ms
OpenAI

GPT OSS 20B

Avg Score:0.0%
Providers:2
Amazon

Nova Pro

Avg Score:0.0%
Providers:1