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Gemini 3.8 Flash vs LongCat-Flash-Chat

Gemini 3.8 Flash leads the LLM Stats Score 51.0 to 20.0. LongCat-Flash-Chat is 2.9x cheaper per token.

Google · Meituan · Updated for 2026

Which is better?

Gemini 3.8 Flash leads the overall LLM Stats Score 51.0 to 20.0, ranking #15 overall.

On price, LongCat-Flash-Chat is roughly 2.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.8 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.8 Flash

  • overall performance matters — it scores 51.0 and ranks #15 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose LongCat-Flash-Chat

  • cost matters — it's about 2.9x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
51.0
#15
20.0
#188
46.9
#24
19.9
#183
39.3
#14
12.6
#137
35.8
#16
9.3
#119
Cost, coverage & limits
Benchmark wins
Input price
$0.75 / M
$0.30 / M
Output price
$3.75 / M
$1.20 / M
Context window
1,048,576
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 3.8 Flash
LongCat-Flash-Chat
26.7#23
9.7#125
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 3.8 Flash · 16 for LongCat-Flash-Chat

No common benchmarks found

Gemini 3.8 Flash and LongCat-Flash-Chatdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Chat costs less

For input processing, Gemini 3.8 Flash ($0.75/1M tokens) is 2.5x more expensive than LongCat-Flash-Chat ($0.30/1M tokens).

For output processing, Gemini 3.8 Flash ($3.75/1M tokens) is 3.1x more expensive than LongCat-Flash-Chat ($1.20/1M tokens).

In conclusion, Gemini 3.8 Flash is more expensive than LongCat-Flash-Chat.*

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

Lowest available price from all providers
Fri Sep 04 2026 • llm-stats.com
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
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 3.8 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 3.8 Flash is limited to 65,536 tokens.

Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
Meituan
LongCat-Flash-Chat
Input128,000 tokens
Output128,000 tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 3.8 Flash supports multimodal inputs, whereas LongCat-Flash-Chat does not.

Gemini 3.8 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.8 Flash

Text
Images
Audio
Video

LongCat-Flash-Chat

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.8 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 3.8 Flash

Proprietary

Closed source

LongCat-Flash-Chat

MIT

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash was released on 2026-09-02, while LongCat-Flash-Chat was released on 2025-08-29.

Gemini 3.8 Flash is 12 months newer than LongCat-Flash-Chat.

Gemini 3.8 Flash

Sep 2, 2026

2 days ago

1.0yr newer
LongCat-Flash-Chat

Aug 29, 2025

1.0 years ago

Knowledge Cutoff

When training data ends

Gemini 3.8 Flash has a documented knowledge cutoff of 2026-03-31, while LongCat-Flash-Chat's cutoff date is not specified.

We can confirm Gemini 3.8 Flash's training data extends to 2026-03-31, but cannot make a direct comparison without LongCat-Flash-Chat's cutoff date.

Gemini 3.8 Flash

Mar 2026

LongCat-Flash-Chat

Provider Availability

Gemini 3.8 Flash is available from Google. LongCat-Flash-Chat is available from Meituan.

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M

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

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash and LongCat-Flash-Chat side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash
✓ Preferred
LongCat-Flash-Chat
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash vs LongCat-Flash-Chat.

Which is better, Gemini 3.8 Flash or LongCat-Flash-Chat?

Gemini 3.8 Flash leads the LLM Stats Score 51.0 to 20.0. Gemini 3.8 Flash is made by Google and LongCat-Flash-Chat is made by Meituan. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.8 Flash compare to LongCat-Flash-Chat in benchmarks?

Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%. LongCat-Flash-Chat scores MATH-500: 96.4%, MMLU: 89.7%, IFEval: 89.6%, ZebraLogic: 89.3%, HumanEval: 88.4%.

Is Gemini 3.8 Flash cheaper than LongCat-Flash-Chat?

LongCat-Flash-Chat is 2.5x cheaper for input tokens. Gemini 3.8 Flash costs $0.75/M input and $3.75/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 3.8 Flash and LongCat-Flash-Chat?

Gemini 3.8 Flash 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 3.8 Flash and LongCat-Flash-Chat?

Key differences include LLM Stats Score (51.0 vs 20.0), context window (1.0M vs 128K), input pricing ($0.75 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 3.8 Flash and LongCat-Flash-Chat?

Gemini 3.8 Flash is developed by Google and LongCat-Flash-Chat is developed by Meituan.