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LongCat-2.5 vs Mistral Small 4

LongCat-2.5 leads the LLM Stats Score 50.0 to 18.2. Mistral Small 4 is 2.0x cheaper per token.

Meituan · Mistral AI · Updated for 2026

Which is better?

LongCat-2.5 leads the overall LLM Stats Score 50.0 to 18.2, ranking #20 overall.

On price, Mistral Small 4 is roughly 2.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

LongCat-2.5 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 LongCat-2.5

  • overall performance matters — it scores 50.0 and ranks #20 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 Nov 2026

Choose Mistral Small 4

  • cost matters — it's about 2.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

LongCat-2.5
Meituan
Mistral Small 4
Mistral AI
Core performance indexes
LLM Stats Score
50.0
#20
18.2
#247
Reasoning
48.3
#21
19.1
#234
Coding
38.6
#27
10.7
#193
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.30 / M
$0.15 / M
Output price
$1.20 / M
$0.60 / M
Context window
1,048,576
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
LongCat-2.5
Mistral Small 4
Math
37.2#37
19.1#186
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for LongCat-2.5 · 9 for Mistral Small 4

No common benchmarks found

LongCat-2.5 and Mistral Small 4don'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

Mistral Small 4 costs less

For input processing, LongCat-2.5 ($0.30/1M tokens) is 2.0x more expensive than Mistral Small 4 ($0.15/1M tokens).

For output processing, LongCat-2.5 ($1.20/1M tokens) is 2.0x more expensive than Mistral Small 4 ($0.60/1M tokens).

In conclusion, LongCat-2.5 is more expensive than Mistral Small 4.*

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

Lowest available price from all providers
Fri Nov 06 2026 • llm-stats.com
Meituan
LongCat-2.5
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
Mistral AI
Mistral Small 4
Input tokens$0.15
Output tokens$0.60
Best providerMistral
Notice missing or incorrect data?

Model Size

Parameter count comparison

1481.0B diff

LongCat-2.5 has 1481.0B more parameters than Mistral Small 4, making it 1244.5% larger.

Meituan
LongCat-2.5
1.6Tparameters
Mistral AI
Mistral Small 4
119.0Bparameters
1600.0B
LongCat-2.5
119.0B
Mistral Small 4

Context Window

Maximum input and output token capacity

LongCat-2.5 accepts 1,048,576 input tokens compared to Mistral Small 4's 256,000 tokens. Mistral Small 4 can generate longer responses up to 256,000 tokens, while LongCat-2.5 is limited to 131,072 tokens.

Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
Mistral AI
Mistral Small 4
Input256,000 tokens
Output256,000 tokens
Fri Nov 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both LongCat-2.5 and Mistral Small 4 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

LongCat-2.5

Text
Images
Audio
Video

Mistral Small 4

Text
Images
Audio
Video

Release Timeline

When each model was launched

LongCat-2.5 was released on 2026-11-01, while Mistral Small 4 was released on 2026-03-16.

LongCat-2.5 is 8 months newer than Mistral Small 4.

LongCat-2.5

Nov 1, 2026

5 days ago

7mo newer
Mistral Small 4

Mar 16, 2026

7 months ago

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

LongCat-2.5 is available from Meituan. Mistral Small 4 is available from Mistral AI.

LongCat-2.5

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Mistral Small 4

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LongCat-2.5 and Mistral Small 4 side-by-side, then vote on the output you prefer.

LongCat-2.5
✓ Preferred
Mistral Small 4
Open in Playground

FAQ

Common questions about LongCat-2.5 vs Mistral Small 4.

Which is better, LongCat-2.5 or Mistral Small 4?

LongCat-2.5 leads the LLM Stats Score 50.0 to 18.2. LongCat-2.5 is made by Meituan and Mistral Small 4 is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does LongCat-2.5 compare to Mistral Small 4 in benchmarks?

LongCat-2.5 scores MathVision: 96.5%, BrowseComp: 91.9%, CharXiv-R: 90.2%, Terminal-Bench 2.1: 88.4%, Video-MME: 85.2%. Mistral Small 4 scores AIME 2025: 83.8%, MMLU-Pro: 78.0%, AA-LCR: 71.2%, GPQA: 71.2%, LiveCodeBench: 63.6%.

Is LongCat-2.5 cheaper than Mistral Small 4?

Mistral Small 4 is 2.0x cheaper for input tokens. LongCat-2.5 costs $0.30/M input and $1.20/M output via meituan. Mistral Small 4 costs $0.15/M input and $0.60/M output via mistral.

What are the context window sizes for LongCat-2.5 and Mistral Small 4?

LongCat-2.5 supports 1.0M tokens and Mistral Small 4 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between LongCat-2.5 and Mistral Small 4?

Key differences include LLM Stats Score (50.0 vs 18.2), context window (1.0M vs 256K), input pricing ($0.30 vs $0.15/M), licensing (Unknown vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-2.5 and Mistral Small 4?

LongCat-2.5 is developed by Meituan and Mistral Small 4 is developed by Mistral AI.

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