LongCat-2.5 vs Muse Ember
LongCat-2.5 and Muse Ember are closely matched at 49.4 and 45.9 on the LLM Stats Score. Muse Ember is 2.6x cheaper per token.
Meituan · Meta · Updated for 2026
Which is better?
LongCat-2.5 and Muse Ember are closely matched on the overall LLM Stats Score at 49.4 and 45.9.
In the 1 individual benchmarks reported for both models, Muse Ember wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Muse Ember is roughly 2.6x 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
- you want predictable pricing at $0.30/M input and $1.20/M output
Choose Muse Ember
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- cost matters — it's about 2.6x cheaper per token
- you want the most recent training data — it shipped Nov 2026
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 · 6 for Muse Ember
LongCat-2.5 outperforms in 0 benchmarks, while Muse Ember is better at 1 benchmark (Terminal-Bench 4.0).
Muse Ember 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 3.0x more expensive than Muse Ember ($0.10/1M tokens).
For output processing, LongCat-2.5 ($1.20/1M tokens) is 2.4x more expensive than Muse Ember ($0.50/1M tokens).
In conclusion, LongCat-2.5 is more expensive than Muse Ember.*
* 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 Ember can generate longer responses up to 524,288 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 Ember support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
LongCat-2.5
Muse Ember
Release Timeline
When each model was launched
LongCat-2.5 was released on 2026-11-01, while Muse Ember was released on 2026-11-09.
Muse Ember is 0 month newer than LongCat-2.5.
Nov 1, 2026
1 weeks ago
Nov 9, 2026
3 days ago
1w newerKnowledge 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 Ember is available from Meta Model API.
LongCat-2.5
Muse Ember
Outputs Comparison
Judge for yourself.
Run your own prompts against LongCat-2.5 and Muse Ember side-by-side, then vote on the output you prefer.
FAQ
Common questions about LongCat-2.5 vs Muse Ember.