Muse Spark 1.1

Meta
Muse Spark 1.1 launch post cover

Cost/1M tokens

input
$1.25
cached
$0.15
output
$4.25
Context
1Mtokens
Released
7mo 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

Arena #14

  1. 1496
    Muse Spark 1.3Nearby rank
  2. 1493
    Muse Spark 1.2Nearby rank
  3. 1491
    Muse Spark 1.1
  4. 1490
    Claude Opus 5Nearby rank
  5. 1489
    Gemini 3.7 FlashNearby rank
  6. 1447
    GPT-5.4 MiniSimilar price
  7. 1443
    InklingSimilar price
  8. 1434
    GLM 5V TurboSimilar price
  9. 1414
    Claude Haiku 4.5Similar price

Ahead of 4 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Arena #53

  1. 1679
    GPT-6.1 TerraSimilar price
  2. 1552
    Grok 4.5Nearby rank
  3. 1547
    Claude Opus 4.6Nearby rank
  4. 1541
    Muse Spark 1.1
  5. 1539
    Claude Sonnet 5Nearby rank
  6. 1538
    Gemini 3.6 FlashNearby rank
  7. 1515
    Qwen3.7 MaxSimilar price
  8. 1399
    GLM 5V TurboSimilar price
  9. 1330
    Claude Haiku 4.5Similar price

Ahead of 3 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Arena #29

  1. 1293
    Gemini 3.8 FlashSimilar price
  2. 1280
  3. 1280
    Gemini 3.6 FlashNearby rank
  4. 1279
    Muse Spark 1.1
  5. 1278
    GPT-5.2 ChatNearby rank
  6. 1277
    GPT-5.5 InstantNearby rank
  7. 1250
    GPT-5.4 MiniSimilar price
  8. 1242
    Grok 4.3Similar price
  9. 1232
    GLM 5V TurboSimilar price

Ahead of 3 of 4 similarly priced models

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

Arena #11

  1. 1485
    Claude Opus 4.8Nearby rank
  2. 1481
    GPT-5.5Nearby rank
  3. 1480
    Muse Spark 1.1
  4. 1478
  5. 1474
    GPT-5.6 TerraNearby rank
  6. 1469
    Gemini 3.8 FlashSimilar price
  7. 1450
    Kimi K2.6Similar price
  8. 1419
    Claude Haiku 4.5Similar price
  9. 1406
    GLM 5V TurboSimilar price

Ahead of 3 of 4 similarly priced models

Agent Arena

Best IPS score per model · Higher is better

Arena #50

  1. +0.120
    GPT-6.1 TerraSimilar price
  2. +0.002
    GLM 5.2Similar price
  3. -0.072
    Qwen3.7 MaxSimilar price
  4. -0.076
    Hy3Nearby rank
  5. -0.080
    Qwen3.7 PlusNearby rank
  6. -0.080
    Muse Spark 1.1
  7. -0.082
    Muse Spark 1.2Nearby rank
  8. -0.105
    MiniMax M3Nearby rank
  9. -0.173
    InklingSimilar price

Ahead of 1 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#20 of 87

  1. 60.3%
    Muse Spark 1.2Nearby rank
  2. 59.9%
    Claude Opus 5Nearby rank
  3. 57.8%
    Muse Spark 1.1
  4. 57.3%
    GPT-6.1 TerraSimilar price
  5. 56.0%
    Grok 4.7Nearby rank
  6. 55.8%
    Qwen3.7 MaxSimilar price
  7. 34.0%
    GLM 5.1Similar price
  8. 13.2%
    Claude Haiku 4.5Similar price

Ahead of 4 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

Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.

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.

To give you the best experience, we use cookies for personalization, insights, and performance. Learn more.