LongCat-Flash-Chat vs Qwen3 VL 8B Instruct Comparison
Comparing LongCat-Flash-Chat and Qwen3 VL 8B Instruct across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
LongCat-Flash-Chat outperforms in 4 benchmarks (AIME 2025, IFEval, MMLU, MMLU-Pro), while Qwen3 VL 8B Instruct is better at 0 benchmarks.
LongCat-Flash-Chat significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, LongCat-Flash-Chat ($0.30/1M tokens) is 3.8x more expensive than Qwen3 VL 8B Instruct ($0.08/1M tokens).
For output processing, LongCat-Flash-Chat ($1.20/1M tokens) is 2.4x more expensive than Qwen3 VL 8B Instruct ($0.50/1M tokens).
In conclusion, LongCat-Flash-Chat is more expensive than Qwen3 VL 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
LongCat-Flash-Chat has 551.0B more parameters than Qwen3 VL 8B Instruct, making it 6122.2% larger.
Context Window
Maximum input and output token capacity
Qwen3 VL 8B Instruct accepts 131,072 input tokens compared to LongCat-Flash-Chat's 128,000 tokens. LongCat-Flash-Chat can generate longer responses up to 128,000 tokens, while Qwen3 VL 8B Instruct is limited to 32,768 tokens.
Input Capabilities
Supported data types and modalities
Qwen3 VL 8B Instruct supports multimodal inputs, whereas LongCat-Flash-Chat does not.
Qwen3 VL 8B Instruct can handle both text and other forms of data like images, making it suitable for multimodal applications.
LongCat-Flash-Chat
Qwen3 VL 8B Instruct
License
Usage and distribution terms
LongCat-Flash-Chat is licensed under MIT, 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.
MIT
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
LongCat-Flash-Chat was released on 2025-08-29, while Qwen3 VL 8B Instruct was released on 2025-09-22.
Qwen3 VL 8B Instruct is 1 month newer than LongCat-Flash-Chat.
Aug 29, 2025
6 months ago
Sep 22, 2025
5 months ago
3w newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
LongCat-Flash-Chat is available from Meituan. Qwen3 VL 8B Instruct is available from Novita, DeepInfra. The availability of providers can affect quality of the model and reliability.
LongCat-Flash-Chat
Qwen3 VL 8B Instruct
Outputs Comparison
Key Takeaways
Qwen3 VL 8B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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