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Claude Opus 4.6 in fedi-index

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

fedi-index · General

S 1,476 ±5

Percentile 98 · #6

People prefer / Solves tasks

1,492 / 1,452

Human votes vs benchmarks, Elo-eq

Value

+41

$10 per 1M tokens, median of 36 providers · vendor $10

On your hardware

Closed weights: cloud only.

Score decomposition

S General 1,476 [1,470–1,481] Percentile 98 · #6 · components: 9
Source Component Value Elo-eq Weight Measured Variant
Epoch AI eci 155 ±1.00 1,479 ±8 32.9% 2026-02-05 —
LMArena text/overall 1,503 ±1.73 1,503 ±2 15.8% 2026-10-02 high
LMArena text/hard_prompts 1,527 ±2.11 1,509 ±2 15.8% 2026-10-02 high
LMArena text/instruction_following 1,524 ±2.62 1,530 ±2 7.8% 2026-10-02 high
LMArena text/expert 1,546 ±4.09 1,514 ±3 7.6% 2026-10-02 high
LMArena text/longer_query 1,520 ±2.49 1,512 ±2 3.9% 2026-10-02 high
LMArena text/multi_turn 1,513 ±3.22 1,502 ±3 3.9% 2026-10-02 high
Epoch AI simpleqa_verified decay ×0.61 0.47 ±0.02 1,445 ±5 3.8% 2026-08-27 max
Epoch AI gpqa_diamond decay ×0.26 0.91 ±0.02 1,461 ±8 1.5% 2026-02-06 32k

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

S Coding 1,458 [1,455–1,462] Percentile 95 · #14 · components: 3
Source Component Value Elo-eq Weight Measured Variant
LMArena webdev/overall 1,546 ±2.78 1,463 ±1 39.4% 2026-10-01 high
LMArena text/coding 1,535 ±2.79 1,501 ±2 38.5% 2026-10-02 high
Epoch AI swe_bench_verified decay ×0.37 0.79 ±0.02 1,477 ±10 13.9% 2026-02-18 —

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

D Agents 1,406 [1,395–1,418] Percentile 25 · #43 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
τ²-bench (Sierra) tau2/banking_knowledge decay ×0.76 0.27 ±0.05 1,459 ±8 79.5% 2026-05-06 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

S Math 1,464 [1,457–1,470] Percentile 96 · #11 · components: 3
Source Component Value Elo-eq Weight Measured Variant
LMArena text/math 1,517 ±5.04 1,506 ±5 53.0% 2026-10-02 high
Epoch AI frontiermath_t1_3 decay ×0.86 0.66 ±0.03 1,464 ±6 28.9% 2026-06-11 max
Epoch AI frontiermath_t4 decay ×0.86 0.27 ±0.07 1,435 ±11 10.8% 2026-06-11 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 1,474 [1,470–1,478] Percentile 96 · #5 · components: 3 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena vision/overall 1,316 ±3.28 1,489 ±3 62.9% 2026-10-02 high
LMArena vision/ocr 1,327 ±3.20 1,497 ±3 15.7% 2026-10-02 —
LMArena vision/diagram 1,340 ±4.46 1,499 ±4 15.3% 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 Writing 1,508 [1,504–1,513] Percentile 99 · #3 · components: 2 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/creative_writing 1,506 ±3.26 1,537 ±3 62.1% 2026-10-02 high
LMArena text/longer_query 1,520 ±2.49 1,512 ±2 31.8% 2026-10-02 high

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 1,476 [1,470–1,483] Percentile 98 · #5 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/chinese 1,552 ±4.60 1,494 ±4 93.8% 2026-10-02 high

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 1,471 [1,457–1,485] Percentile 99 · #3 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/german 1,504 ±9.03 1,492 ±8 92.6% 2026-10-02 high

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 1,488 [1,484–1,493] Percentile 100 · #2 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/english 1,512 ±2.32 1,506 ±2 94.0% 2026-10-02 high

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 1,480 [1,470–1,491] Percentile 99 · #2 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/spanish 1,510 ±6.48 1,501 ±6 93.2% 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: Français 1,470 [1,458–1,482] Percentile 99 · #2 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/french 1,513 ±7.01 1,490 ±6 93.1% 2026-10-02 high

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 1,467 [1,452–1,483] Percentile 93 · #10 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/japanese 1,484 ±11 1,489 ±8 92.4% 2026-10-02 high

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 1,465 [1,453–1,477] Percentile 98 · #4 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/korean 1,465 ±8.74 1,484 ±7 93.0% 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: Polski 1,469 [1,457–1,482] Percentile 98 · #4 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/polish 1,497 ±7.91 1,489 ±7 93.0% 2026-10-02 high

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 1,476 [1,470–1,482] Percentile 97 · #8 · components: 1 provisional
Source Component Value Elo-eq Weight Measured Variant
LMArena text/russian 1,497 ±3.64 1,494 ±3 93.9% 2026-10-02 high

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
Claude Opus 4.6 1,476 S

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fedi-index: Claude Opus 4.6

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