LongCat-2.5 vs Muse Spark 1.3
LongCat-2.5 and Muse Spark 1.3 are closely matched at 50.0 and 52.0 on the LLM Stats Score. LongCat-2.5 is 3.8x cheaper per token.
Meituan · Meta · Updated for 2026
Which is better?
LongCat-2.5 and Muse Spark 1.3 are closely matched on the overall LLM Stats Score at 50.0 and 52.0.
In the 3 individual benchmarks reported for both models, Muse Spark 1.3 wins 3; this is a narrower head-to-head signal than the composite indexes.
On price, LongCat-2.5 is roughly 3.8x 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
- cost matters — it's about 3.8x cheaper per token
- you want the most recent training data — it shipped Nov 2026
Choose Muse Spark 1.3
- you value its reported benchmark strengths — it wins 3 of 3 exact shared results
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
23 reported for LongCat-2.5 · 11 for Muse Spark 1.3
LongCat-2.5 outperforms in 0 benchmarks, while Muse Spark 1.3 is better at 3 benchmarks (DeepSWE 1.1, SWE Atlas - Codebase QnA, Terminal-Bench 2.1).
Muse Spark 1.3 significantly outperforms across most benchmarks.
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 4.2x cheaper than Muse Spark 1.3 ($1.25/1M tokens).
For output processing, LongCat-2.5 ($1.20/1M tokens) is 3.5x cheaper than Muse Spark 1.3 ($4.25/1M tokens).
In conclusion, Muse Spark 1.3 is more expensive than LongCat-2.5.*
* 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. Muse Spark 1.3 can generate longer responses up to 943,718 tokens, while LongCat-2.5 is limited to 131,072 tokens.
Input capabilities
Documented input modalities across available providers
Both LongCat-2.5 and Muse Spark 1.3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
LongCat-2.5
Muse Spark 1.3
Release Timeline
When each model was launched
LongCat-2.5 was released on 2026-11-01, while Muse Spark 1.3 was released on 2026-09-02.
LongCat-2.5 is 2 months newer than Muse Spark 1.3.
Nov 1, 2026
1 days ago
2mo newerSep 2, 2026
2 months 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. Muse Spark 1.3 is available from Meta Model API.
LongCat-2.5
Muse Spark 1.3
Outputs Comparison
Judge for yourself.
Run your own prompts against LongCat-2.5 and Muse Spark 1.3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about LongCat-2.5 vs Muse Spark 1.3.