Muse Ember launch post cover

Cost/1M tokens

input
$0.10
cached
$0.004
output
$0.50
cache write
$0.125
Context
1Mtokens
Released
3d ago

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Arena leaderboards and other sourced evaluations appear below; missing scores are not zero.

How it ranks

Against its predecessor, similarly priced models and the models ranked around it.

DeepSWE 1.1

Best pass@1 per model · Higher is better

Not evaluated in DeepSWE 1.1

Arena Text

Best Arena rating per model · Higher is better

Not ranked on Arena Text yet

Arena WebDev

Best Arena rating per model · Higher is better

Arena #36

  1. 1638
    MiMo-V2.6-FlashSimilar price
  2. 1615
    GPT-5.6 SolNearby rank
  3. 1609
    GLM 5.3 FlashNearby rank
  4. 1609
    Muse Ember
  5. 1608
    GLM 5.2Nearby rank
  6. 1594
    Claude Haiku 5.5Similar price
  7. 1577
    GPT-6 LunaSimilar price
  8. 1370
    Gemma 4 31BSimilar price

Ahead of 2 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Not ranked on Arena Vision yet

Arena Search

Best Arena rating per model · Higher is better

Not ranked on Arena Search yet

Arena Document

Best Arena rating per model · Higher is better

Not ranked on Arena Document yet

Agent Arena

Best IPS score per model · Higher is better

Arena #25

  1. +0.020
  2. +0.020
    Claude Sonnet 5Nearby rank
  3. +0.018
    Muse WonderNearby rank
  4. +0.017
    Muse Ember
  5. +0.016
    GPT-6 LunaSimilar price
  6. +0.010
    GLM 5.3Nearby rank
  7. +0.005
    Claude Haiku 5.5Similar price
  8. -0.000
    MiMo-V2.6-FlashSimilar price

Ahead of 0 of 4 similarly priced models

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

All published scores

Arena ratings: Arena (lmarena-ai/leaderboard-dataset), licensed CC BY 4.0. Ratings come from pairwise human votes and are only comparable within one leaderboard; the interval is Arena's 95% confidence interval. Model names are matched to the Vertical Tabs catalog.

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