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longcat-flash-chat-2602-exp in fedi-index

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

fedi-index · General

B 1,402 ±2

Percentile 69 · #91 · provisional

People prefer / Solves tasks

1,414 / —

Human votes vs benchmarks, Elo-eq

Value

—

On your hardware

Closed weights: cloud only.

Score decomposition

B General 1,402 [1,400–1,404] Percentile 69 · #91 · components: 6 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/overall 1,427 ±2.29 1,427 ±2 25.8% 2026-10-02 —
LMArena text/hard_prompts 1,440 ±2.77 1,431 ±2 25.7% 2026-10-02 —
LMArena text/instruction_following 1,411 ±3.44 1,423 ±3 12.6% 2026-10-02 —
LMArena text/expert 1,455 ±5.82 1,439 ±5 12.0% 2026-10-02 —
LMArena text/longer_query 1,425 ±3.32 1,424 ±3 6.3% 2026-10-02 —
LMArena text/multi_turn 1,418 ±4.42 1,415 ±4 6.2% 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

B Coding 1,421 [1,415–1,427] Percentile 78 · #62 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/coding 1,471 ±3.68 1,445 ±3 90.2% 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

B Math 1,396 [1,378–1,414] Percentile 68 · #81 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/math 1,441 ±11 1,432 ±11 84.1% 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

B Writing 1,405 [1,399–1,411] Percentile 66 · #92 · components: 2 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/creative_writing 1,388 ±4.76 1,416 ±5 61.2% 2026-10-02 —
LMArena text/longer_query 1,425 ±3.32 1,424 ±3 32.4% 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

B Language: 繁體中文 1,411 [1,401–1,421] Percentile 66 · #77 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/chinese 1,465 ±6.99 1,426 ±6 93.4% 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

B Language: English 1,427 [1,421–1,433] Percentile 80 · #56 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/english 1,451 ±3.01 1,442 ±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

B Language: Español 1,416 [1,390–1,441] Percentile 61 · #59 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/spanish 1,446 ±15 1,441 ±14 89.4% 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 Language: 한국어 1,396 [1,378–1,415] Percentile 50 · #69 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/korean 1,372 ±14 1,414 ±10 91.5% 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 Language: Polski 1,395 [1,377–1,412] Percentile 42 · #77 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/polish 1,406 ±12 1,412 ±10 91.8% 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

B Language: Русский 1,388 [1,372–1,404] Percentile 55 · #106 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/russian 1,396 ±9.93 1,403 ±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

History

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The same in a table
Model 2026-10
longcat-flash-chat-2602-exp 1,402 B

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fedi-index: longcat-flash-chat-2602-exp

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