Model Comparison
GPT-4.5 vs Qwen3 VL 8B Instruct
GPT-4.5 significantly outperforms across most benchmarks. Qwen3 VL 8B Instruct is 506.8x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-4.5 outperforms in 4 benchmarks (CharXiv-D, CharXiv-R, IFEval, MMLU), while Qwen3 VL 8B Instruct is better at 1 benchmark (Multi-IF).
GPT-4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4.5 ($75.00/1M tokens) is 937.5x more expensive than Qwen3 VL 8B Instruct ($0.08/1M tokens).
For output processing, GPT-4.5 ($150.00/1M tokens) is 300.0x more expensive than Qwen3 VL 8B Instruct ($0.50/1M tokens).
In conclusion, GPT-4.5 is more expensive than Qwen3 VL 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Qwen3 VL 8B Instruct accepts 131,072 input tokens compared to GPT-4.5's 128,000 tokens. Qwen3 VL 8B Instruct can generate longer responses up to 32,768 tokens, while GPT-4.5 is limited to 4,096 tokens.
Input Capabilities
Supported data types and modalities
Both GPT-4.5 and Qwen3 VL 8B Instruct support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-4.5
Qwen3 VL 8B Instruct
License
Usage and distribution terms
GPT-4.5 is licensed under a proprietary license, while Qwen3 VL 8B Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-4.5 was released on 2025-02-27, while Qwen3 VL 8B Instruct was released on 2025-09-22.
Qwen3 VL 8B Instruct is 7 months newer than GPT-4.5.
Feb 27, 2025
1.1 years ago
Sep 22, 2025
7 months ago
6mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-4.5 is available from OpenAI. Qwen3 VL 8B Instruct is available from Novita, DeepInfra.
GPT-4.5
Qwen3 VL 8B Instruct
Outputs Comparison
Key Takeaways
GPT-4.5
View detailsOpenAI
Qwen3 VL 8B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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FAQ
Common questions about GPT-4.5 vs Qwen3 VL 8B Instruct