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

5 benchmarks

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.

Tue Apr 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Lite costs less

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

Lowest available price from all providers
Tue Apr 07 2026 • llm-stats.com
OpenAI
GPT-5.2
Input tokens$1.75
Output tokens$14.00
Best providerOpenAI
Meituan
LongCat-Flash-Lite
Input tokens$0.10
Output tokens$0.40
Best providerMeituan
Notice missing or incorrect data?Start an Issue

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.

OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
Meituan
LongCat-Flash-Lite
Input256,000 tokens
Output128,000 tokens
Tue Apr 07 2026 • llm-stats.com

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

Text
Images
Audio
Video

LongCat-Flash-Lite

Text
Images
Audio
Video

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.

GPT-5.2

Proprietary

Closed source

LongCat-Flash-Lite

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.

GPT-5.2

Dec 11, 2025

3 months ago

LongCat-Flash-Lite

Feb 5, 2026

2 months ago

1mo newer

Knowledge 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.

GPT-5.2

Aug 2025

LongCat-Flash-Lite

Provider Availability

GPT-5.2 is available from OpenAI. LongCat-Flash-Lite is available from Meituan.

GPT-5.2

openai logo
OpenAI
Input Price:Input: $1.75/1MOutput Price:Output: $14.00/1M

LongCat-Flash-Lite

meituan logo
Meituan
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Larger context window (400,000 tokens)
Supports multimodal inputs
Higher AIME 2025 score (100.0% vs 63.2%)
Higher GPQA score (92.4% vs 66.8%)
Higher SWE-Bench Verified score (80.0% vs 54.4%)
Higher Tau2 Retail score (82.0% vs 73.1%)
Higher Tau2 Telecom score (98.7% vs 72.8%)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.2
Meituan
LongCat-Flash-Lite

FAQ

Common questions about GPT-5.2 vs LongCat-Flash-Lite

GPT-5.2 significantly outperforms across most benchmarks. GPT-5.2 is made by OpenAI and LongCat-Flash-Lite is made by Meituan. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%. LongCat-Flash-Lite scores MATH-500: 96.8%, MMLU: 85.5%, CMMLU: 82.5%, MMLU-Pro: 78.3%, Tau2 Retail: 73.1%.
LongCat-Flash-Lite is 17.5x cheaper for input tokens. GPT-5.2 costs $1.75/M input and $14.00/M output via openai. LongCat-Flash-Lite costs $0.10/M input and $0.40/M output via meituan.
GPT-5.2 supports 400K tokens and LongCat-Flash-Lite supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 256K), input pricing ($1.75 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
GPT-5.2 is developed by OpenAI and LongCat-Flash-Lite is developed by Meituan.