DeepSeek-V3 0324 vs LongCat-Flash-Chat

DeepSeek-V3 0324 and LongCat-Flash-Chat are closely matched at 13.4 and 19.8 on the LLM Stats Score. DeepSeek-V3 0324 is 1.3x cheaper per token.

DeepSeek · Meituan · Updated for 2026

Which is better?

DeepSeek-V3 0324 and LongCat-Flash-Chat are closely matched on the overall LLM Stats Score at 13.4 and 19.8.

In the 4 individual benchmarks reported for both models, LongCat-Flash-Chat wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, DeepSeek-V3 0324 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V3 0324 also accepts a larger context window (163,840 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 DeepSeek-V3 0324

cost matters — it's about 1.3x cheaper per token
you process long inputs — it offers a 163,840 token context window

Choose LongCat-Flash-Chat

you value its reported benchmark strengths — it wins 3 of 4 exact shared results
you want the most recent training data — it shipped Aug 2025

At a glance

The differences that matter most.

Better token value: DeepSeek-V3 0324

Core performance indexes

LLM Stats Score

13.4

#261 · 5 evals

19.8

#214 · 16 evals

Best

Reasoning

13.6

#250 · 5 evals

19.7

#210 · 15 evals

Best

Coding

3.9

#227 · 1 evals

12.3

#161 · 4 evals

Best

Cost, coverage & limits

Benchmark wins

1 of 4

3 of 4

Best

Input price

$0.24 / M

Best

$0.30 / M

Output price

$0.90 / M

Best

$1.20 / M

Context window

163,840

Best

128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared

Index

DeepSeek-V3 0324

LongCat-Flash-Chat

Math

15.8#217 · 3 evals

18.9#180 · 5 evals

Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

5 reported for DeepSeek-V3 0324 · 16 for LongCat-Flash-Chat

4 shared

DeepSeek-V3 0324 outperforms in 1 benchmarks (LiveCodeBench), while LongCat-Flash-Chat is better at 3 benchmarks (GPQA, MATH-500, MMLU-Pro).

LongCat-Flash-Chat shows notably better performance in the majority of benchmarks.

Fri Oct 09 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3 0324 costs less

For input processing, DeepSeek-V3 0324 ($0.24/1M tokens) is 1.3x cheaper than LongCat-Flash-Chat ($0.30/1M tokens).

For output processing, DeepSeek-V3 0324 ($0.90/1M tokens) is 1.3x cheaper than LongCat-Flash-Chat ($1.20/1M tokens).

In conclusion, LongCat-Flash-Chat is more expensive than DeepSeek-V3 0324.*

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

Lowest available price from all providers

Fri Oct 09 2026 • llm-stats.com

DeepSeek-V3 0324

Input tokens$0.24

Output tokens$0.90

Best providerDeepinfra

LongCat-Flash-Chat

Input tokens$0.30

Output tokens$1.20

Best providerMeituan

Notice missing or incorrect data?

Model Size

Parameter count comparison

111.0B diff

DeepSeek-V3 0324 has 111.0B more parameters than LongCat-Flash-Chat, making it 19.8% larger.

DeepSeek-V3 0324

671.0Bparameters

LongCat-Flash-Chat

560.0Bparameters

671.0B

DeepSeek-V3 0324

560.0B

LongCat-Flash-Chat

Context Window

Maximum input and output token capacity

DeepSeek-V3 0324 accepts 163,840 input tokens compared to LongCat-Flash-Chat's 128,000 tokens. DeepSeek-V3 0324 can generate longer responses up to 163,840 tokens, while LongCat-Flash-Chat is limited to 128,000 tokens.

DeepSeek-V3 0324

Input163,840 tokens

Output163,840 tokens

LongCat-Flash-Chat

Input128,000 tokens

Output128,000 tokens

Fri Oct 09 2026 • llm-stats.com

License

Usage and distribution terms

DeepSeek-V3 0324 is licensed under MIT + Model License (Commercial use allowed), while LongCat-Flash-Chat uses MIT.

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

DeepSeek-V3 0324

MIT + Model License (Commercial use allowed)

Open weights

LongCat-Flash-Chat

MIT

Open weights

Release Timeline

When each model was launched

DeepSeek-V3 0324 was released on 2025-03-25, while LongCat-Flash-Chat was released on 2025-08-29.

LongCat-Flash-Chat is 5 months newer than DeepSeek-V3 0324.

DeepSeek-V3 0324

Mar 25, 2025

1.5 years ago

LongCat-Flash-Chat

Aug 29, 2025

1.1 years ago

5mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

DeepSeek-V3 0324 is available from DeepInfra, Novita. LongCat-Flash-Chat is available from Meituan.

DeepSeek-V3 0324

Deepinfra

Input Price:Input: $0.24/1MOutput Price:Output: $0.90/1M

Novita

Input Price:Input: $0.28/1MOutput Price:Output: $1.14/1M

LongCat-Flash-Chat

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?

Judge for yourself.

Run your own prompts against DeepSeek-V3 0324 and LongCat-Flash-Chat side-by-side, then vote on the output you prefer.

DeepSeek-V3 0324

✓ Preferred

LongCat-Flash-Chat

Open in Playground

FAQ

Common questions about DeepSeek-V3 0324 vs LongCat-Flash-Chat.

Which is better, DeepSeek-V3 0324 or LongCat-Flash-Chat?

DeepSeek-V3 0324 and LongCat-Flash-Chat are closely matched on the LLM Stats Score at 13.4 and 19.8. DeepSeek-V3 0324 is made by DeepSeek 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 DeepSeek-V3 0324 compare to LongCat-Flash-Chat in benchmarks?

DeepSeek-V3 0324 scores MATH-500: 94.0%, MMLU-Pro: 81.2%, GPQA: 68.4%, AIME 2024: 59.4%, LiveCodeBench: 49.2%. LongCat-Flash-Chat scores MATH-500: 96.4%, MMLU: 89.7%, IFEval: 89.6%, ZebraLogic: 89.3%, HumanEval: 88.4%.

Is DeepSeek-V3 0324 cheaper than LongCat-Flash-Chat?

DeepSeek-V3 0324 is 1.3x cheaper for input tokens. DeepSeek-V3 0324 costs $0.24/M input and $0.90/M output via deepinfra. LongCat-Flash-Chat costs $0.30/M input and $1.20/M output via meituan.

What are the context window sizes for DeepSeek-V3 0324 and LongCat-Flash-Chat?

DeepSeek-V3 0324 supports 164K 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 DeepSeek-V3 0324 and LongCat-Flash-Chat?

Key differences include LLM Stats Score (13.4 vs 19.8), context window (164K vs 128K), input pricing ($0.24 vs $0.30/M), licensing (MIT + Model License (Commercial use allowed) vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V3 0324 and LongCat-Flash-Chat?

DeepSeek-V3 0324 is developed by DeepSeek and LongCat-Flash-Chat is developed by Meituan.

DeepSeek-V3 0324 vs LongCat-Flash-Chat