Meta: Muse Ember vs MoonshotAI: Kimi K3.1 Pro

For a sample job of 1 million input tokens and 250,000 output tokens, Muse Ember costs $0.23 and Kimi K3.1 Pro costs $4.50, so Muse Ember is about 20.0 times cheaper for the same work.

Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.

Only Muse Ember offers audio input.

On our blended benchmark score Kimi K3.1 Pro leads 75.0 to 56.7.

Across the 20 tasks where they differ, Muse Ember scores higher on 7 (Code Completion, Code Documentation, Regex Writing and others), Kimi K3.1 Pro on 13 (SQL Generation, Code Review, Code Refactoring and others).

Muse Ember was released in November 2026 and Kimi K3.1 Pro in October 2026.

Pick Muse Ember if you need lower cost or audio input; pick Kimi K3.1 Pro if you need benchmark performance.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.