Model Comparison

Gemini 3 Pro vs LongCat-Flash-ChatWhich is better in 2026?

Gemini 3 Pro significantly outperforms across most benchmarks. LongCat-Flash-Chat is 8.6x cheaper per token.

Verdict: Gemini 3 Pro vs LongCat-Flash-Chat — which is better?

Gemini 3 Pro (by Google) and LongCat-Flash-Chat (by Meituan) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Gemini 3 Pro outperforms in 3 benchmarks (AIME 2025, GPQA, SWE-Bench Verified), while LongCat-Flash-Chat is better at 0 benchmarks. Gemini 3 Pro significantly outperforms across most benchmarks.

On price, LongCat-Flash-Chat is roughly 8.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3 Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 3 Pro if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Nov 2025

Choose LongCat-Flash-Chat if…

  • cost matters — it's about 8.6x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 3 Pro outperforms in 3 benchmarks (AIME 2025, GPQA, SWE-Bench Verified), while LongCat-Flash-Chat is better at 0 benchmarks.

Gemini 3 Pro significantly outperforms across most benchmarks.

Fri Jun 12 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 3 Pro ($2.00/1M tokens) is 6.7x more expensive than LongCat-Flash-Chat ($0.30/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 10.0x more expensive than LongCat-Flash-Chat ($1.20/1M tokens).

In conclusion, Gemini 3 Pro is more expensive than LongCat-Flash-Chat.*

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

Lowest available price from all providers
Fri Jun 12 2026 • llm-stats.com
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
Meituan
LongCat-Flash-Chat
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Gemini 3 Pro 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 3 Pro is limited to 65,536 tokens.

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
Meituan
LongCat-Flash-Chat
Input128,000 tokens
Output128,000 tokens
Fri Jun 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3 Pro supports multimodal inputs, whereas LongCat-Flash-Chat does not.

Gemini 3 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3 Pro

Text
Images
Audio
Video

LongCat-Flash-Chat

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3 Pro 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 3 Pro

Proprietary

Closed source

LongCat-Flash-Chat

MIT

Open weights

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while LongCat-Flash-Chat was released on 2025-08-29.

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

Gemini 3 Pro

Nov 18, 2025

6 months ago

2mo newer
LongCat-Flash-Chat

Aug 29, 2025

9 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while LongCat-Flash-Chat's cutoff date is not specified.

We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without LongCat-Flash-Chat's cutoff date.

Gemini 3 Pro

Jan 2025

LongCat-Flash-Chat

Provider Availability

Gemini 3 Pro is available from Google. LongCat-Flash-Chat is available from Meituan.

Gemini 3 Pro

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M

LongCat-Flash-Chat

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Larger context window (1,048,576 tokens)
Supports multimodal inputs
Higher AIME 2025 score (100.0% vs 61.3%)
Higher GPQA score (91.9% vs 73.2%)
Higher SWE-Bench Verified score (76.2% vs 60.4%)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Pro
Meituan
LongCat-Flash-Chat

FAQ

Common questions about Gemini 3 Pro vs LongCat-Flash-Chat.

Which is better, Gemini 3 Pro or LongCat-Flash-Chat?

Gemini 3 Pro significantly outperforms across most benchmarks. Gemini 3 Pro is made by Google and LongCat-Flash-Chat is made by Meituan. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3 Pro compare to LongCat-Flash-Chat in benchmarks?

Gemini 3 Pro scores AIME 2025: 100.0%, Vending-Bench 2: 100.0%, Global PIQA: 93.4%, GPQA: 91.9%, MMMLU: 91.8%. LongCat-Flash-Chat scores MATH-500: 96.4%, MMLU: 89.7%, IFEval: 89.6%, ZebraLogic: 89.3%, HumanEval: 88.4%.

Is Gemini 3 Pro cheaper than LongCat-Flash-Chat?

LongCat-Flash-Chat is 6.7x cheaper for input tokens. Gemini 3 Pro costs $2.00/M input and $12.00/M output via google. LongCat-Flash-Chat costs $0.30/M input and $1.20/M output via meituan.

What are the context window sizes for Gemini 3 Pro and LongCat-Flash-Chat?

Gemini 3 Pro supports 1.0M tokens and LongCat-Flash-Chat supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Pro and LongCat-Flash-Chat?

Key differences include context window (1.0M vs 128K), input pricing ($2.00 vs $0.30/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Pro and LongCat-Flash-Chat?

Gemini 3 Pro is developed by Google and LongCat-Flash-Chat is developed by Meituan.