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gpt-oss-120b vs Magistral Medium 2506 (thinking) (Comparative Analysis)

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Comparative Analysis: gpt-oss-120b vs. Magistral Medium 2506 (thinking)
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Overview

Magistral Medium 2506 (thinking) was released 1 month before gpt-oss-120b.
gpt-oss-120bgpt-oss-120b
Magistral Medium 2506 (thinking)Magistral Medium 2506 (thinking)
Model Provider
The organization behind this AI's development
OpenAI logoOpenAI
Mistral logoMistral
Input Context Window
Maximum input tokens this model can process at once
131K
tokens
41K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
131K
tokens
40K
tokens
Release Date
When this model first became publicly available
August 5th, 2025
June 8th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
gpt-oss-120b
Magistral Medium 2506 (thinking)
Input Types
Supported input formats
📝Text
📝Text
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
GPTMistral
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
Available on HuggingFace →Proprietary

Pricing

gpt-oss-120b is roughly 0.04x less expensive compared to Magistral Medium 2506 (thinking) for input tokens and roughly 0.06x less expensive for output tokens.
gpt-oss-120bgpt-oss-120b
Magistral Medium 2506 (thinking)Magistral Medium 2506 (thinking)
Input Token Cost
Cost per million input tokens
$0.07
per million tokens
$2.00
per million tokens
Output Token Cost
Cost per million outut tokens
$0.28
per million tokens
$5.00
per million tokens

Benchmarks

Compare relevant benchmarks between gpt-oss-120b and Magistral Medium 2506 (thinking).
gpt-oss-120bgpt-oss-120b
Magistral Medium 2506 (thinking)Magistral Medium 2506 (thinking)
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-oss-120b and Magistral Medium 2506 (thinking) unique.
OpenAI logogpt-oss-120b by OpenAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 131K token context window. Very affordable at $0.07/M input and $0.28/M output tokens. Released August 5th, 2025.
Mistral logoMagistral Medium 2506 (thinking) by Mistral can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 41K token context window. Reasonably priced at $2.00/M input and $5.00/M output tokens. Released June 8th, 2025.

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