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DeepSeek Prover V2 vs gpt-oss-120b (Comparative Analysis)

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Comparative Analysis: DeepSeek Prover V2 vs. gpt-oss-120b
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Overview

DeepSeek Prover V2 was released 3 months before gpt-oss-120b.
DeepSeek Prover V2DeepSeek Prover V2
gpt-oss-120bgpt-oss-120b
Model Provider
The organization behind this AI's development
DeepSeek logoDeepSeek
OpenAI logoOpenAI
Input Context Window
Maximum input tokens this model can process at once
163.8K
tokens
131K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
Not specified
tokens
131K
tokens
Release Date
When this model first became publicly available
April 30th, 2025
August 5th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
DeepSeek Prover V2
gpt-oss-120b
Input Types
Supported input formats
📝Text
📝Text
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
DeepSeekGPT
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
Available on HuggingFace →Available on HuggingFace →

Pricing

DeepSeek Prover V2 is roughly 7.1x more expensive compared to gpt-oss-120b for input tokens and roughly 7.8x more expensive for output tokens.
DeepSeek Prover V2DeepSeek Prover V2
gpt-oss-120bgpt-oss-120b
Input Token Cost
Cost per million input tokens
$0.50
per million tokens
$0.07
per million tokens
Output Token Cost
Cost per million outut tokens
$2.18
per million tokens
$0.28
per million tokens

Benchmarks

Compare relevant benchmarks between DeepSeek Prover V2 and gpt-oss-120b.
DeepSeek Prover V2DeepSeek Prover V2
gpt-oss-120bgpt-oss-120b
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 DeepSeek Prover V2 and gpt-oss-120b unique.
DeepSeek logoDeepSeek Prover V2 by DeepSeek generates structured data. It can handle standard conversations with its 163.8K token context window. Reasonably priced at $0.50/M input and $2.18/M output tokens. Released April 30th, 2025.
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.

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