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GPT-4o (extended) vs gpt-oss-safeguard-20b (Comparative Analysis)

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Comparative Analysis: GPT-4o (extended) vs. gpt-oss-safeguard-20b
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Overview

GPT-4o (extended) was released 1 year before gpt-oss-safeguard-20b.
GPT-4o (extended)GPT-4o (extended)
gpt-oss-safeguard-20bgpt-oss-safeguard-20b
Model Provider
The organization behind this AI's development
OpenAI logoOpenAI
OpenAI logoOpenAI
Input Context Window
Maximum input tokens this model can process at once
128K
tokens
131.1K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
64K
tokens
65.5K
tokens
Release Date
When this model first became publicly available
May 13th, 2024
October 29th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
GPT-4o (extended)
gpt-oss-safeguard-20b
Input Types
Supported input formats
📝Text🖼️Image📁File
📝Text
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
GPTGPT
Key Features
Advanced capabilities
✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation
✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation
Open Source
Model availability
ProprietaryAvailable on HuggingFace →

Pricing

GPT-4o (extended) is roughly 85.7x more expensive compared to gpt-oss-safeguard-20b for input tokens and roughly 60.0x more expensive for output tokens.
GPT-4o (extended)GPT-4o (extended)
gpt-oss-safeguard-20bgpt-oss-safeguard-20b
Input Token Cost
Cost per million input tokens
$6.00
per million tokens
$0.07
per million tokens
Output Token Cost
Cost per million outut tokens
$18.00
per million tokens
$0.30
per million tokens

Benchmarks

Compare relevant benchmarks between GPT-4o (extended) and gpt-oss-safeguard-20b.
GPT-4o (extended)GPT-4o (extended)
gpt-oss-safeguard-20bgpt-oss-safeguard-20b
MMLU
Measures knowledge across 57 subjects like law, math, history, and science
Benchmark not available.
Benchmark not available.
MMMU
Measures understanding of combined text and images across various domains
Benchmark not available.
Benchmark not available.
HellaSwag
Measures common sense reasoning by having models complete sentences about everyday situations
Benchmark not available.
Benchmark not available.

At a Glance

Quick overview of what makes GPT-4o (extended) and gpt-oss-safeguard-20b unique.
OpenAI logoGPT-4o (extended) by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 128K token context window. Premium pricing at $6.00/M input and $18.00/M output tokens. Includes built-in content moderation for safer outputs. Released May 13th, 2024.
OpenAI logogpt-oss-safeguard-20b by OpenAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 131.1K token context window. Very affordable at $0.07/M input and $0.30/M output tokens. Released October 29th, 2025.