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Muse Spark 1.1 in fedi-index

The score in every slice, what it is made of, value, local run and history.

fedi-index · General

A 1,452 ±7

Percentile 91 · #28

People prefer / Solves tasks

1,455 / 1,449

Human votes vs benchmarks, Elo-eq

Value

+58

$2 per 1M tokens, median of 12 providers · vendor $2

On your hardware

Closed weights: cloud only.

Score decomposition

A General 1,452 [1,446–1,459] Percentile 91 · #28 · components: 8
Source Component Value Elo-eq Weight Measured Variant
Epoch AI eci 154 ±1.24 1,471 ±10 34.0% 2026-07-09 —
LMArena text/overall 1,479 ±2.23 1,479 ±2 15.8% 2026-10-02 —
LMArena text/hard_prompts 1,486 ±2.58 1,472 ±2 15.8% 2026-10-02 —
LMArena text/instruction_following 1,457 ±3.13 1,467 ±3 7.8% 2026-10-02 —
LMArena text/expert 1,479 ±4.81 1,459 ±4 7.6% 2026-10-02 —
Epoch AI simpleqa_verified decay ×0.61 0.58 ±0.02 1,479 ±5 4.4% 2026-08-31 —
LMArena text/longer_query 1,463 ±2.94 1,459 ±3 3.9% 2026-10-02 —
LMArena text/multi_turn 1,484 ±4.33 1,475 ±4 3.8% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Coding 1,440 [1,437–1,442] Percentile 90 · #29 · components: 2 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena webdev/overall 1,542 ±3.87 1,462 ±1 46.0% 2026-10-01 —
LMArena text/coding 1,497 ±3.39 1,468 ±3 44.4% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

C Agents 1,429 [1,424–1,433] Percentile 47 · #31 · components: 2
Source Component Value Elo-eq Weight Measured Variant
LMArena agent/overall -0.05 ±0.00 1,432 ±1 66.9% 2026-10-02 —
τ²-bench (Sierra) tau2/banking_knowledge decay ×0.76 0.40 ±0.05 1,481 ±8 26.1% 2026-07-23 xhigh

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Math 1,434 [1,422–1,447] Percentile 87 · #34 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/math 1,480 ±7.48 1,470 ±7 86.7% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Vision 1,454 [1,449–1,458] Percentile 83 · #20 · components: 3 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena vision/overall 1,294 ±3.67 1,469 ±3 63.3% 2026-10-02 —
LMArena vision/ocr 1,303 ±3.91 1,474 ±4 15.6% 2026-10-02 —
LMArena vision/diagram 1,308 ±5.83 1,470 ±5 14.8% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Writing 1,449 [1,444–1,454] Percentile 85 · #40 · components: 2 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/creative_writing 1,439 ±3.93 1,468 ±4 61.8% 2026-10-02 —
LMArena text/longer_query 1,463 ±2.94 1,459 ±3 32.0% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: 繁體中文 1,450 [1,442–1,459] Percentile 89 · #26 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/chinese 1,518 ±5.94 1,467 ±5 93.6% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: Deutsch 1,437 [1,418–1,455] Percentile 84 · #24 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/german 1,465 ±12 1,458 ±10 91.6% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: English 1,455 [1,449–1,461] Percentile 93 · #20 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/english 1,479 ±2.95 1,471 ±3 93.9% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: Español 1,440 [1,424–1,455] Percentile 83 · #26 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/spanish 1,466 ±9.36 1,459 ±9 92.3% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: Français 1,454 [1,439–1,470] Percentile 92 · #11 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/french 1,497 ±9.38 1,475 ±9 92.3% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: 日本語 1,443 [1,426–1,461] Percentile 85 · #20 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/japanese 1,451 ±13 1,465 ±10 91.9% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: 한국어 1,460 [1,444–1,476] Percentile 93 · #10 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/korean 1,461 ±12 1,481 ±9 92.2% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: Polski 1,465 [1,446–1,485] Percentile 94 · #9 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/polish 1,498 ±13 1,490 ±11 91.4% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

A Language: Русский 1,464 [1,456–1,472] Percentile 94 · #15 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/russian 1,483 ±4.86 1,481 ±4 93.6% 2026-10-02 —

Weight is the share of the component in the score (the rest is the prior that pulls models with little data towards the population median). Methodology

History

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The same in a table
Model 2026-10
Muse Spark 1.1 1,452 A

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fedi-index: Muse Spark 1.1

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