LongCat-2.5 vs Particle-1
LongCat-2.5 leads the LLM Stats Score 50.0 to 32.0. Particle-1 is 1.2x cheaper per token.
Meituan · Particle AI · Updated for 2026
Which is better?
LongCat-2.5 leads the overall LLM Stats Score 50.0 to 32.0, ranking #20 overall.
On price, Particle-1 is roughly 1.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
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 — it leads those capability indexes
- you want the most recent training data — it shipped Nov 2026
Choose Particle-1
- cost matters — it's about 1.2x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
23 reported for LongCat-2.5 · 3 for Particle-1
LongCat-2.5 and Particle-1don'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
For input processing, LongCat-2.5 ($0.30/1M tokens) is 1.2x more expensive than Particle-1 ($0.25/1M tokens).
For output processing, LongCat-2.5 ($1.20/1M tokens) is 1.2x more expensive than Particle-1 ($1.00/1M tokens).
In conclusion, LongCat-2.5 is more expensive than Particle-1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 131,072 tokens.
Input capabilities
Documented input modalities across available providers
Both LongCat-2.5 and Particle-1 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
LongCat-2.5
Particle-1
Release Timeline
When each model was launched
LongCat-2.5 was released on 2026-11-01, while Particle-1 was released on 2026-10-28.
LongCat-2.5 is 0 month newer than Particle-1.
Nov 1, 2026
-1 days ago
4d newerOct 28, 2026
3 days ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
LongCat-2.5 is available from Meituan. Particle-1 is available from Particle AI.
LongCat-2.5
Particle-1
Outputs Comparison
Judge for yourself.
Run your own prompts against LongCat-2.5 and Particle-1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about LongCat-2.5 vs Particle-1.