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Muse Spark 1.3 in fedi-index

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

fedi-index · General

S 1,469 ±8

Percentile 97 · #9

People prefer / Solves tasks

1,470 / 1,468

Human votes vs benchmarks, Elo-eq

Value

+74

$2 per 1M tokens, median of 10 providers · vendor $0.125

On your hardware

Closed weights: cloud only.

Score decomposition

S General 1,469 [1,462–1,477] Percentile 97 · #9 · components: 7
Source Component Value Elo-eq Weight Measured Variant
Epoch AI eci 157 ±1.16 1,491 ±9 41.0% 2026-09-02 —
LMArena text/overall 1,490 ±3.14 1,490 ±3 15.4% 2026-10-02 max
LMArena text/hard_prompts 1,504 ±3.71 1,488 ±3 15.3% 2026-10-02 max
LMArena text/instruction_following 1,480 ±4.71 1,489 ±4 7.4% 2026-10-02 max
LMArena text/expert 1,518 ±8.10 1,491 ±7 6.7% 2026-10-02 max
LMArena text/longer_query 1,491 ±4.36 1,486 ±4 3.8% 2026-10-02 max
LMArena text/multi_turn 1,486 ±7.13 1,477 ±6 3.4% 2026-10-02 max

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 1,461 [1,457–1,465] Percentile 97 · #10 · components: 2 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena webdev/overall 1,657 ±4.36 1,494 ±1 47.1% 2026-10-01 max
LMArena text/coding 1,515 ±5.39 1,484 ±5 43.0% 2026-10-02 max

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

B Agents 1,449 [1,446–1,451] Percentile 70 · #18 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena agent/overall 0.04 ±0.00 1,475 ±2 90.5% 2026-10-02 max

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 1,460 [1,448–1,471] Percentile 94 · #16 · components: 3
Source Component Value Elo-eq Weight Measured Variant
LMArena text/math 1,502 ±12 1,491 ±12 43.8% 2026-10-02 max
Epoch AI frontiermath_t1_3 decay ×0.86 0.74 ±0.03 1,482 ±6 35.5% 2026-09-16 xhigh
Epoch AI frontiermath_t4 decay ×0.86 0.46 ±0.08 1,466 ±13 11.9% 2026-09-18 max

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 1,467 [1,460–1,474] Percentile 92 · #10 · components: 3 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena vision/overall 1,310 ±5.32 1,484 ±5 64.7% 2026-10-02 max
LMArena vision/ocr 1,319 ±6.11 1,490 ±6 15.4% 2026-10-02 max
LMArena vision/diagram 1,330 ±9.96 1,490 ±9 13.2% 2026-10-02 max

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 1,468 [1,460–1,476] Percentile 94 · #17 · components: 2 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/creative_writing 1,458 ±6.30 1,488 ±6 60.2% 2026-10-02 max
LMArena text/longer_query 1,491 ±4.36 1,486 ±4 33.2% 2026-10-02 max

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 1,456 [1,442–1,470] Percentile 92 · #18 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/chinese 1,529 ±9.95 1,476 ±8 92.6% 2026-10-02 max

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 1,468 [1,459–1,476] Percentile 97 · #10 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/english 1,492 ±4.46 1,486 ±5 93.6% 2026-10-02 max

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 1,448 [1,422–1,474] Percentile 91 · #14 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/spanish 1,487 ±16 1,479 ±15 89.0% 2026-10-02 max

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 1,469 [1,442–1,496] Percentile 98 · #3 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/french 1,528 ±17 1,504 ±16 88.5% 2026-10-02 max

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 1,470 [1,458–1,483] Percentile 95 · #13 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/russian 1,493 ±7.66 1,490 ±7 93.0% 2026-10-02 max

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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Model 2026-10
Muse Spark 1.3 1,469 S

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fedi-index: Muse Spark 1.3

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