Model Comparison
GPT-5.2 vs LongCat-Flash-Lite
GPT-5.2 significantly outperforms across most benchmarks. LongCat-Flash-Lite is 27.5x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.2 outperforms in 5 benchmarks (AIME 2025, GPQA, SWE-Bench Verified, Tau2 Retail, Tau2 Telecom), while LongCat-Flash-Lite is better at 0 benchmarks.
GPT-5.2 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.2 ($1.75/1M tokens) is 17.5x more expensive than LongCat-Flash-Lite ($0.10/1M tokens).
For output processing, GPT-5.2 ($14.00/1M tokens) is 35.0x more expensive than LongCat-Flash-Lite ($0.40/1M tokens).
In conclusion, GPT-5.2 is more expensive than LongCat-Flash-Lite.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.2 accepts 400,000 input tokens compared to LongCat-Flash-Lite's 256,000 tokens. Both models can generate responses up to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.2 supports multimodal inputs, whereas LongCat-Flash-Lite does not.
GPT-5.2 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.2
LongCat-Flash-Lite
License
Usage and distribution terms
GPT-5.2 is licensed under a proprietary license, while LongCat-Flash-Lite uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
GPT-5.2 was released on 2025-12-11, while LongCat-Flash-Lite was released on 2026-02-05.
LongCat-Flash-Lite is 2 months newer than GPT-5.2.
Dec 11, 2025
3 months ago
Feb 5, 2026
2 months ago
1mo newerKnowledge Cutoff
When training data ends
GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while LongCat-Flash-Lite's cutoff date is not specified.
We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without LongCat-Flash-Lite's cutoff date.
Aug 2025
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Provider Availability
GPT-5.2 is available from OpenAI. LongCat-Flash-Lite is available from Meituan.
GPT-5.2
LongCat-Flash-Lite
Outputs Comparison
Key Takeaways
GPT-5.2
View detailsOpenAI
Detailed Comparison
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FAQ
Common questions about GPT-5.2 vs LongCat-Flash-Lite