Kimi K3 vs Muse Ember
Kimi K3 and Muse Ember are closely matched at 50.9 and 45.9 on the LLM Stats Score. Muse Ember is 28.5x cheaper per token.
Moonshot AI · Meta · Updated for 2026
Which is better?
Kimi K3 and Muse Ember are closely matched on the overall LLM Stats Score at 50.9 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 28.5x 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 Kimi K3
- you need open weights you can self-host or fine-tune
Choose Muse Ember
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- cost matters — it's about 28.5x 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
32 reported for Kimi K3 · 6 for Muse Ember
Kimi K3 outperforms in 0 benchmarks, while Muse Ember is better at 1 benchmark (PerceptionBench).
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, Kimi K3 ($2.85/1M tokens) is 28.5x more expensive than Muse Ember ($0.10/1M tokens).
For output processing, Kimi K3 ($14.25/1M tokens) is 28.5x more expensive than Muse Ember ($0.50/1M tokens).
In conclusion, Kimi K3 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. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Muse Ember is limited to 524,288 tokens.
Input capabilities
Documented input modalities across available providers
Both Kimi K3 and Muse Ember support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Kimi K3
Muse Ember
License
Usage and distribution terms
Kimi K3 is licensed under Kimi K3 License, while Muse Ember uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Kimi K3 License
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Kimi K3 was released on 2026-07-16, while Muse Ember was released on 2026-11-09.
Muse Ember is 4 months newer than Kimi K3.
Jul 16, 2026
3 months ago
Nov 9, 2026
3 days ago
3mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Kimi K3 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together. Muse Ember is available from Meta Model API.
Kimi K3
Muse Ember
Outputs Comparison
Judge for yourself.
Run your own prompts against Kimi K3 and Muse Ember side-by-side, then vote on the output you prefer.
FAQ
Common questions about Kimi K3 vs Muse Ember.