Gemini 2.5 Flash vs LongCat-Flash-Chat Comparison

Comparing Gemini 2.5 Flash and LongCat-Flash-Chat across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 2.5 Flash outperforms in 2 benchmarks (AIME 2025, GPQA), while LongCat-Flash-Chat is better at 0 benchmarks.

Gemini 2.5 Flash shows notably better performance in the majority of benchmarks.

Sun Mar 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Chat costs less

For input processing, Gemini 2.5 Flash ($0.30/1M tokens) costs the same as LongCat-Flash-Chat ($0.30/1M tokens).

For output processing, Gemini 2.5 Flash ($2.50/1M tokens) is 2.1x more expensive than LongCat-Flash-Chat ($1.20/1M tokens).

In conclusion, Gemini 2.5 Flash is more expensive than LongCat-Flash-Chat.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sun Mar 15 2026 • llm-stats.com

Gemini 2.5 Flash

Input tokens$0.30

Output tokens$2.50

Best providerGoogle

LongCat-Flash-Chat

Input tokens$0.30

Output tokens$1.20

Best providerMeituan

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Context Window

Maximum input and output token capacity

Gemini 2.5 Flash accepts 1,048,576 input tokens compared to LongCat-Flash-Chat's 128,000 tokens. LongCat-Flash-Chat can generate longer responses up to 128,000 tokens, while Gemini 2.5 Flash is limited to 65,536 tokens.

Gemini 2.5 Flash

Input1,048,576 tokens

Output65,536 tokens

LongCat-Flash-Chat

Input128,000 tokens

Output128,000 tokens

Sun Mar 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.5 Flash supports multimodal inputs, whereas LongCat-Flash-Chat does not.

Gemini 2.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Flash

Text

Images

Audio

Video

LongCat-Flash-Chat

Text

Images

Audio

Video

License

Usage and distribution terms

Gemini 2.5 Flash is licensed under a proprietary license, while LongCat-Flash-Chat uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 2.5 Flash

Proprietary

Closed source

LongCat-Flash-Chat

MIT

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Flash was released on 2025-05-20, while LongCat-Flash-Chat was released on 2025-08-29.

LongCat-Flash-Chat is 3 months newer than Gemini 2.5 Flash.

Gemini 2.5 Flash

May 20, 2025

9 months ago

LongCat-Flash-Chat

Aug 29, 2025

6 months ago

3mo newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Flash has a documented knowledge cutoff of 2025-01-31, while LongCat-Flash-Chat's cutoff date is not specified.

We can confirm Gemini 2.5 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without LongCat-Flash-Chat's cutoff date.

Gemini 2.5 Flash

Jan 2025

LongCat-Flash-Chat

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Provider Availability

Gemini 2.5 Flash is available from Google. LongCat-Flash-Chat is available from Meituan. The availability of providers can affect quality of the model and reliability.