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gpt-oss-120b vs Qwen3 Coder 30B A3B Instruct (Comparative Analysis)

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Comparative Analysis: gpt-oss-120b vs. Qwen3 Coder 30B A3B Instruct
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Overview

Qwen3 Coder 30B A3B Instruct was released 5 days before gpt-oss-120b.
gpt-oss-120bgpt-oss-120b
Qwen3 Coder 30B A3B InstructQwen3 Coder 30B A3B Instruct
Model Provider
The organization behind this AI's development
OpenAI logoOpenAI
Qwen logoQwen
Input Context Window
Maximum input tokens this model can process at once
131.1K
tokens
262.1K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
131.1K
tokens
32.8K
tokens
Release Date
When this model first became publicly available
August 5th, 2025
July 31st, 2025
Knowledge Cutoff
Latest training-data date reported by the provider
June 30, 2024
June 30, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
gpt-oss-120b
Qwen3 Coder 30B A3B Instruct
Input Types
Supported input formats
📝Text
📝Text
Reasoning Controls
Defaults and configurable reasoning effort
Always enabledEffort: High, Medium, LowDefault: Medium
Not reported
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
GPTQwen3
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

gpt-oss-120b is roughly 0.6x less expensive compared to Qwen3 Coder 30B A3B Instruct for input tokens and roughly 0.6x less expensive for output tokens.
gpt-oss-120bgpt-oss-120b
Qwen3 Coder 30B A3B InstructQwen3 Coder 30B A3B Instruct
Input Token Cost
Cost per million input tokens
$0.04
per million tokens
$0.07
per million tokens
Output Token Cost
Cost per million output tokens
$0.17
per million tokens
$0.27
per million tokens

Benchmarks

Compare relevant benchmarks between gpt-oss-120b and Qwen3 Coder 30B A3B Instruct.
gpt-oss-120bgpt-oss-120b
Qwen3 Coder 30B A3B InstructQwen3 Coder 30B A3B Instruct
Intelligence Index
Overall model quality across independent evaluations
23.8
(Artificial Analysis index; higher is better)
Benchmark not available.
Coding Index
Programming performance across independent evaluations
30.4
(Artificial Analysis index; higher is better)
Benchmark not available.
Agentic Index
Ability to complete multi-step agentic tasks
13.2
(Artificial Analysis index; higher is better)
Benchmark not available.
Best Design Arena Score
Highest human-preference Elo score across design arenas
1,052 Elo
(#90 in Game Dev (40.6% win rate))
1,117 Elo
(#82 in Data Viz (54.7% win rate))

At a Glance

Quick overview of what makes gpt-oss-120b and Qwen3 Coder 30B A3B Instruct 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 131.1K token context window. Very affordable at $0.04/M input and $0.17/M output tokens. Released August 5th, 2025.
Qwen logoQwen3 Coder 30B A3B Instruct by Qwen can use external tools and APIs, generates structured data. It can handle standard conversations with its 262.1K token context window. Very affordable at $0.07/M input and $0.27/M output tokens. Released July 31st, 2025.

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