# Furniture Assembly Benchmark

> Source: Benchize (https://benchize.com) — https://benchize.com/benchmarks/epoch-ai%3Afurniture_assembly. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/benchmarks/epoch-ai%3Afurniture_assembly.

Detecting assembly mistakes from photographs of three IKEA furniture builds and their official assembly manuals. Models judge whether the build is correct and identify and explain the mistaken step, testing spatial reasoning between technical diagrams and real objects.[Description · epoch.ai](https://epoch.ai/benchmarks/furniture-assembly)

Canonical URL: https://benchize.com/benchmarks/epoch-ai%3Afurniture_assembly
Last updated: Wed, 21 Oct 2026 18:52:20 GMT

Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations.

Detecting assembly mistakes from photographs of three IKEA furniture builds and their official assembly manuals. Models judge whether the build is correct and identify and explain the mistaken step, testing spatial reasoning between technical diagrams and real objects.[Description · epoch.ai](https://epoch.ai/benchmarks/furniture-assembly)

Multimodal · Models tested: 21 · Score publishers: [epoch ai](https://epoch.ai/benchmarks/use-this-data)

## Model results

| # | Model | Score | ± |  |
| --- | --- | --- | --- | --- |
| 1 | [Claude Opus 5.5](https://benchize.com/models/claude-opus-5-5-max.md)Max | 83.33% | SE ±4.7 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.8333333333333334 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.8333333333333334 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion claude-opus-5-5_max ### Reported statistics Uncertainty Standard error: ±4.7 pp standardError 0.047040472216649226 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label claude-opus-5-5 Source version Furniture Assembly Evaluated 2026-09-22T16:51:00.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/12` |  |  |  |  |
| 2 | [GPT-6 Astra](https://benchize.com/models/gpt-6-astra-max.md)Max | 80% | SE ±4.93 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.8 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.8 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-6-astra_max ### Reported statistics Uncertainty Standard error: ±4.93 pp standardError 0.04928872620664329 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-6-astra Source version Furniture Assembly Evaluated 2026-09-10T20:22:39.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/28` |  |  |  |  |
| 2 | [GPT-6.1 Sol](https://benchize.com/models/gpt-6-1-sol-max.md)Max | 80% | SE ±4.93 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.8 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.8 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-6.1-sol_max ### Reported statistics Uncertainty Standard error: ±4.93 pp standardError 0.04928872620664329 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-6.1-sol Source version Furniture Assembly Evaluated 2026-09-29T18:29:32.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/5` |  |  |  |  |
| 4 | [Claude Sonnet 5.5](https://benchize.com/models/claude-sonnet-5-5-max.md)Max | 75% | SE ±5.51 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.75 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.75 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion claude-sonnet-5-5_max ### Reported statistics Uncertainty Standard error: ±5.51 pp standardError 0.05510647116121488 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label claude-sonnet-5-5 Source version Furniture Assembly Evaluated 2026-09-29T15:17:08.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/6` |  |  |  |  |
| 5 | [Gemini 4 Argon](https://benchize.com/models/gemini-4-argon-high.md)High | 72.5% | SE ±5.63 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.725 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.725 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort high sourceModelVersion gemini-4-argon_high ### Reported statistics Uncertainty Standard error: ±5.63 pp standardError 0.056279417919483966 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gemini-4-argon Source version Furniture Assembly Evaluated 2026-10-13T17:15:28.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/2` |  |  |  |  |
| 6 | [Claude Fable 5.1](https://benchize.com/models/claude-fable-5-1-max.md)Max | 70% | SE ±5.72 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.7 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.7 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion claude-fable-5-1_max ### Reported statistics Uncertainty Standard error: ±5.72 pp standardError 0.05724365605193373 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label claude-fable-5-1 Source version Furniture Assembly Evaluated 2026-09-10T20:23:45.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/19` |  |  |  |  |
| 7 | [Claude Opus 5](https://benchize.com/models/claude-opus-5-max.md)Max | 60.83% | SE ±6.19 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.6083333333333333 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.6083333333333333 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion claude-opus-5_max ### Reported statistics Uncertainty Standard error: ±6.19 pp standardError 0.06185876325418331 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label claude-opus-5 Source version Furniture Assembly Evaluated 2026-09-10T20:23:29.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/22` |  |  |  |  |
| 8 | [GPT-6 Sol](https://benchize.com/models/gpt-6-sol-max.md)Max | 58.33% | SE ±6.42 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.5833333333333334 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.5833333333333334 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-6-sol_max ### Reported statistics Uncertainty Standard error: ±6.42 pp standardError 0.06418399868645064 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-6-sol Source version Furniture Assembly Evaluated 2026-09-23T20:34:23.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/11` |  |  |  |  |
| 9 | [GPT-5.6 Sol](https://benchize.com/models/gpt-5-6-sol-max.md)Max | 56.67% | SE ±6.34 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.5666666666666667 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.5666666666666667 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-5.6-sol_max ### Reported statistics Uncertainty Standard error: ±6.34 pp standardError 0.06340911315327727 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-5.6-sol Source version Furniture Assembly Evaluated 2026-09-10T20:22:35.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/29` |  |  |  |  |
| 10 | [GPT-5.6 Terra](https://benchize.com/models/gpt-5-6-terra-max.md)Max | 54.17% | SE ±6.43 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.5416666666666666 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.5416666666666666 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-5.6-terra_max ### Reported statistics Uncertainty Standard error: ±6.43 pp standardError 0.06432138878020231 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-5.6-terra Source version Furniture Assembly Evaluated 2026-09-10T20:22:34.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/30` |  |  |  |  |
| 11 | [Claude Haiku 5.5](https://benchize.com/models/claude-haiku-5-5-max.md)Max | 47.5% | SE ±6.45 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.475 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.475 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion claude-haiku-5-5_max ### Reported statistics Uncertainty Standard error: ±6.45 pp standardError 0.06446761548504554 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label claude-haiku-5-5 Source version Furniture Assembly Evaluated 2026-10-07T20:22:18.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/4` |  |  |  |  |
| 12 | [GPT-5.5](https://benchize.com/models/gpt-5-5-xhigh.md)Extra high | 44.17% | SE ±6.41 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.44166666666666665 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.44166666666666665 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort xhigh sourceModelVersion gpt-5.5_xhigh ### Reported statistics Uncertainty Standard error: ±6.41 pp standardError 0.06410142328406845 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-5.5 Source version Furniture Assembly Evaluated 2026-09-10T20:22:27.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/31` |  |  |  |  |
| 12 | [GPT-6 Luna](https://benchize.com/models/gpt-6-luna-max.md)Max | 44.17% | SE ±6.41 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.44166666666666665 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.44166666666666665 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-6-luna_max ### Reported statistics Uncertainty Standard error: ±6.41 pp standardError 0.06410142328406845 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-6-luna Source version Furniture Assembly Evaluated 2026-09-28T03:08:57.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/7` |  |  |  |  |
| 14 | [GPT-5.6 Luna](https://benchize.com/models/gpt-5-6-luna-max.md)Max | 42.5% | SE ±6.38 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.425 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.425 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion gpt-5.6-luna_max ### Reported statistics Uncertainty Standard error: ±6.38 pp standardError 0.06380695638890652 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gpt-5.6-luna Source version Furniture Assembly Evaluated 2026-09-10T20:22:42.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/27` |  |  |  |  |
| 15 | [Claude Fable 5](https://benchize.com/models/claude-fable-5-max.md)Max | 35.83% | SE ±6.19 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.35833333333333334 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.35833333333333334 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion claude-fable-5_max ### Reported statistics Uncertainty Standard error: ±6.19 pp standardError 0.06185876325418331 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label claude-fable-5 Source version Furniture Assembly Evaluated 2026-09-10T20:23:38.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/21` |  |  |  |  |
| 16 | [DeepSeek V4.1 Flash](https://benchize.com/models/deepseek-v4-1-flash-max.md)Max | 34.17% | SE ±6 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.3416666666666667 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.3416666666666667 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort max sourceModelVersion deepseek-v4.1-flash_max ### Reported statistics Uncertainty Standard error: ±6 pp standardError 0.06000431560123094 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label deepseek-v4.1-flash Source version Furniture Assembly Evaluated 2026-10-08T19:02:18.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/3` |  |  |  |  |
| 17 | [Gemini 3.8 Flash](https://benchize.com/models/gemini-3-8-flash-high.md)High | 31.67% | SE ±5.94 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.31666666666666665 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.31666666666666665 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort high sourceModelVersion gemini-3.8-flash_high ### Reported statistics Uncertainty Standard error: ±5.94 pp standardError 0.0593832076297605 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gemini-3.8-flash Source version Furniture Assembly Evaluated 2026-09-10T20:23:47.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/18` |  |  |  |  |
| 18 | [Gemini 3.7 Flash](https://benchize.com/models/gemini-3-7-flash-high.md)High | 26.67% | SE ±5.63 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.26666666666666666 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.26666666666666666 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort high sourceModelVersion gemini-3.7-flash_high ### Reported statistics Uncertainty Standard error: ±5.63 pp standardError 0.056331678510110804 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gemini-3.7-flash Source version Furniture Assembly Evaluated 2026-09-10T20:23:57.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/16` |  |  |  |  |
| 18 | [Gemini 3.1 Pro Preview](https://benchize.com/models/gemini-3-1-pro-preview-high.md)High | 26.67% | SE ±5.63 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.26666666666666666 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.26666666666666666 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort high sourceModelVersion gemini-3.1-pro-preview_high ### Reported statistics Uncertainty Standard error: ±5.63 pp standardError 0.056331678510110804 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gemini-3.1-pro-preview Source version Furniture Assembly Evaluated 2026-09-10T20:23:45.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/20` |  |  |  |  |
| 20 | [Gemini 3.6 Flash](https://benchize.com/models/gemini-3-6-flash-high.md)High | 23.33% | SE ±5.38 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.23333333333333334 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.23333333333333334 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort high sourceModelVersion gemini-3.6-flash_high ### Reported statistics Uncertainty Standard error: ±5.38 pp standardError 0.05376590116477416 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label gemini-3.6-flash Source version Furniture Assembly Evaluated 2026-09-10T20:23:53.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/17` |  |  |  |  |
| 21 | [Qwen3.8 Max (0902)](https://benchize.com/models/qwen3-8-max-0902-xhigh.md)Extra high | 20% | SE ±5.21 pp |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.2 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.2 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Furniture Assembly reasoningBudget Not reported Reasoning effort xhigh sourceModelVersion qwen3.8-max-0902_xhigh ### Reported statistics Uncertainty Standard error: ±5.21 pp standardError 0.05207556439232955 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=furniture_assembly.csv) Source epoch ai Original model label qwen3.8-max-0902 Source version Furniture Assembly Evaluated 2026-09-10T20:24:14.000Z Observed 2026-10-21T16:30:24.199Z Evidence SHA-256 `d62ab28005a1b7ab0e57b227d04b0cf86c70a5d8a1981addb26d2ac41c116865` Source locator `/rows/15` |  |  |  |  |

---
Cite as: Furniture Assembly Benchmark — Benchize, https://benchize.com/benchmarks/epoch-ai%3Afurniture_assembly (retrieved 2026-10-21)
