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GLM 4.1V 9B Thinking vs GPT-4.1 Nano (Comparative Analysis)

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Comparative Analysis: GLM 4.1V 9B Thinking vs. GPT-4.1 Nano
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Overview

GPT-4.1 Nano was released 2 months before GLM 4.1V 9B Thinking.
GLM 4.1V 9B ThinkingGLM 4.1V 9B Thinking
GPT-4.1 NanoGPT-4.1 Nano
Model Provider
The organization behind this AI's development
THUDM logoTHUDM
OpenAI logoOpenAI
Input Context Window
Maximum input tokens this model can process at once
65.5K
tokens
1M
tokens
Output Token Limit
Maximum output tokens this model can generate at once
8K
tokens
32.8K
tokens
Release Date
When this model first became publicly available
July 11th, 2025
April 14th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
GLM 4.1V 9B Thinking
GPT-4.1 Nano
Input Types
Supported input formats
🖼️Image📝Text
🖼️Image📝Text📁File
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
OtherGPT
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
Available on HuggingFace →Proprietary

Pricing

GLM 4.1V 9B Thinking is roughly 0.4x less expensive compared to GPT-4.1 Nano for input tokens and roughly 0.4x less expensive for output tokens.
GLM 4.1V 9B ThinkingGLM 4.1V 9B Thinking
GPT-4.1 NanoGPT-4.1 Nano
Input Token Cost
Cost per million input tokens
$0.04
per million tokens
$0.10
per million tokens
Output Token Cost
Cost per million outut tokens
$0.14
per million tokens
$0.40
per million tokens

Benchmarks

Compare relevant benchmarks between GLM 4.1V 9B Thinking and GPT-4.1 Nano.
GLM 4.1V 9B ThinkingGLM 4.1V 9B Thinking
GPT-4.1 NanoGPT-4.1 Nano
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 GLM 4.1V 9B Thinking and GPT-4.1 Nano unique.
THUDM logoGLM 4.1V 9B Thinking by THUDM understands both text and images, offers advanced reasoning. It can handle standard conversations with its 65.5K token context window. Very affordable at $0.04/M input and $0.14/M output tokens. Released July 11th, 2025.
OpenAI logoGPT-4.1 Nano by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.10/M input and $0.40/M output tokens. Includes built-in content moderation for safer outputs. Released April 14th, 2025.

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