Model Comparison

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

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.

GPT-3.5 Turbo

OpenAI

GPT-3.5 Turbo is a language model developed by OpenAI. The model shows competitive results across 8 benchmarks. Notable strengths include DROP (70.2%), MMLU (69.8%), HumanEval (68.0%). The model is available through 2 API providers.

GPT-3.5 Turbo

OpenAI

2023-03-21

GPT OSS 20B

OpenAI

2025-08-05

2 years newer

Pricing Comparison

Cost per million tokens (USD)

GPT OSS 20B

$1.40 cheaper

Input:$0.10

Output:$0.50

GPT-3.5 Turbo

Input:$0.50

Output:$1.50

Performance Metrics

Context window and performance specifications

GPT OSS 20B

Larger context

Max Context:262.1K

Parameters:20.0B

GPT-3.5 Turbo

Max Context:20.5K

Knowledge Cutoff

Training data recency comparison

GPT-3.5 Turbo

2021-09-30

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

GPT OSS 20B

2 providers

ZeroEval

Throughput: 1000 tok/s

Latency: 0.38ms

OpenAI

Throughput: 115 tok/s

Latency: 5.2ms

GPT-3.5 Turbo

2 providers

Azure

Throughput: 90 tok/s

Latency: 0.8ms

OpenAI

Throughput: 100 tok/s

Latency: 0.5ms

GPT OSS 20B

Avg Score:0.0%

Providers:2

GPT-3.5 Turbo

Avg Score:0.0%

Providers:2