# DeepSeek V4.1 Flash > Source: Benchize (https://benchize.com) — https://benchize.com/models/deepseek-v4-1-flash. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/deepseek-v4-1-flash. DeepSeek Canonical URL: https://benchize.com/models/deepseek-v4-1-flash Last updated: Thu, 22 Oct 2026 05:30:58 GMT Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations. DeepSeek ## Benchmarks | Benchmark | Score | ± | Rank | Source | | | --- | --- | --- | --- | --- | --- | | [DesignArena Website generation](https://benchize.com/benchmarks/designarena%3Awebsite.md) | 1,309elo | — | 14 / 123 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=website) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1309 \| elo \| website \| Higher is better \| ### Configuration arenaType models category website inputModality text sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 137636 battles 26293 losses 12973 standardError Not reported winRate 50.7 wins 13320 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=website) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:37:57.757Z Evidence SHA-256 `51873e97776a3c5ae706b24cc2c60384793dd18398df970e213a8e7c276d8ac0` Source locator `/data/17` | | | | | | | [SimpleBench](https://benchize.com/benchmarks/simplebench%3Aavg-at-5.md) | 66.7% | — | 17 / 62 | [simplebench](https://simple-bench.com/static/js/leaderboard-data.js) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 66.7 \| percent \| average_at_5 \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration DeepSeek V4.1 Flash thinkingEnabled Not reported ### Reported statistics rank 23rd ### Source [Original source](https://simple-bench.com/static/js/leaderboard-data.js) Source simplebench Original model label DeepSeek V4.1 Flash Observed 2026-10-22T03:40:04.693Z Evidence SHA-256 `b2d0285ad3e4e15750ed20d39897e7558d1c05e8962e90c861b06f93c8019dc9` Source locator `/rows/24` | | | | | | | [Longform Creative Writing](https://benchize.com/benchmarks/eq-bench%3Alongform-writing.md) | 74% | — | 27 / 93 | [eq bench · longform-writing](https://eqbench.com/creative_writing_longform.js) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `overall_score_100` \| 74.0 \| percent \| overall \| Higher is better \| \| `chapter1_avg` \| 15.55 \| rubric_score \| overall \| Higher is better \| \| `chapter2_avg` \| 15.19 \| rubric_score \| overall \| Higher is better \| \| `chapter3_avg` \| 14.95 \| rubric_score \| overall \| Higher is better \| \| `chapter4_avg` \| 14.91 \| rubric_score \| overall \| Higher is better \| \| `chapter5_avg` \| 15.21 \| rubric_score \| overall \| Higher is better \| \| `chapter6_avg` \| 14.83 \| rubric_score \| overall \| Higher is better \| \| `chapter7_avg` \| 14.59 \| rubric_score \| overall \| Higher is better \| \| `chapter8_avg` \| 15.07 \| rubric_score \| overall \| Higher is better \| \| `final_judgement_avg` \| 14.02 \| rubric_score \| overall \| Higher is better \| ### Configuration interactiveAdjustments none protocol longform-writing sourceModelVersion deepseek-v4.1-flash ### Source [Original source](https://eqbench.com/creative_writing_longform.js) Source eq bench Original model label deepseek-v4.1-flash Source version longform-writing Observed 2026-10-22T05:10:05.903Z Evidence SHA-256 `3ba283ce357ac7620e16db640a961879c30fe3ddc50a27de9a8ed4290784825c` Source locator `/leaderboardDataLongformV3/136` | | | | | | | [DesignArena SVG generation](https://benchize.com/benchmarks/designarena%3Asvgs.md) | 1,244elo | — | 16 / 77 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=svgs) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1244 \| elo \| svgs \| Higher is better \| ### Configuration arenaType models category svg inputModality Not reported sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 77135 battles 1010 losses 517 standardError Not reported winRate 48.8 wins 493 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=svgs) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:38:03.249Z Evidence SHA-256 `8cbc34a474a66ef5c64f3ffe557df9b55bf7e13368c07c0214223e3ed8f3f21e` Source locator `/data/25` | | | | | | | [DesignArena UI component generation](https://benchize.com/benchmarks/designarena%3Aui-components.md) | 1,315elo | — | 17 / 112 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=ui-components) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1315 \| elo \| ui-components \| Higher is better \| ### Configuration arenaType models category uicomponent inputModality Not reported sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 111361 battles 1202 losses 570 standardError Not reported winRate 52.6 wins 632 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=ui-components) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:37:57.993Z Evidence SHA-256 `46482ec1b4012638eace65493daea4750e2088098018fd9d5fc46126fc1f8557` Source locator `/data/19` | | | | | | | [Creative Writing v3](https://benchize.com/benchmarks/eq-bench%3Acreative-writing-v3.md) | 1,540.1elo | — | 47 / 90 | [eq bench · creative-writing-v3](https://eqbench.com/creative_writing.js) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo_score` \| 1540.1 \| elo \| overall \| Higher is better \| \| `creative_writing_score` \| 16.08 \| rubric_score \| overall \| Higher is better \| ### Configuration interactiveAdjustments none protocol creative-writing-v3 sourceModelVersion deepseek-v4.1-flash ### Source [Original source](https://eqbench.com/creative_writing.js) Source eq bench Original model label deepseek-v4.1-flash Source version creative-writing-v3 Observed 2026-10-22T05:10:05.433Z Evidence SHA-256 `722ddb132e8d3a5e5c39b8d445f8475f3f7e24893a007260c6f3e3cce5c1ee18` Source locator `/leaderboardDataCreativeWritingV3/57` | | | | | | | [Rapidata SVG generation — Coherence](https://benchize.com/benchmarks/rapidata%3Asvg%3Arlb_1MFkkBzpuU8fTG.md) | 919.71elo | CI 887.88–951.54 | 23 / 37 | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkBzpuU8fTG) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 919.7093805238612 \| elo \| rlb_1MFkkBzpuU8fTG \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion rlb_1MFkkBzpuU8fTG participantId par_1Ufa7GRhUiMfuj sourceModelVersion deepseek-v4.1-flash weighted false ### Reported statistics Uncertainty Confidence interval: 887.88–951.54 confidenceIntervalLowerOffset 31.827011978945393 confidenceIntervalUpperOffset 31.827011978945393 totalMatches 2483 wins 1106 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkBzpuU8fTG) Source rapidata Original model label deepseek-v4.1-flash Source version v1 Observed 2026-10-21T16:37:39.715Z Evidence SHA-256 `aa3cb94ff16f544c58adeea35b9087d281c785058b8ce1ae0f98a7ff84920930` Source locator `/items/48` | | | | | | | [DesignArena ASCII art generation](https://benchize.com/benchmarks/designarena%3Aascii.md) | 1,265elo | — | 14 / 65 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=ascii) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1265 \| elo \| ascii \| Higher is better \| ### Configuration arenaType models category ascii inputModality Not reported sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 116974 battles 288 losses 138 standardError Not reported winRate 52.1 wins 150 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=ascii) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:38:03.513Z Evidence SHA-256 `0603b8c65b44ee887f5b566feb469465f59635137a6ac5c6d94c23bcf3776311` Source locator `/data/15` | | | | | | | [Rapidata SVG generation — Alignment](https://benchize.com/benchmarks/rapidata%3Asvg%3Arlb_1MFkk9yZHssERh.md) | 852.62elo | CI 818.86–886.38 | 29 / 37 | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkk9yZHssERh) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 852.6194784722074 \| elo \| rlb_1MFkk9yZHssERh \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion rlb_1MFkk9yZHssERh participantId par_1Ufa7GRhUiMfuj sourceModelVersion deepseek-v4.1-flash weighted false ### Reported statistics Uncertainty Confidence interval: 818.86–886.38 confidenceIntervalLowerOffset 33.75771631369662 confidenceIntervalUpperOffset 33.75771631369673 totalMatches 2483 wins 970 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkk9yZHssERh) Source rapidata Original model label deepseek-v4.1-flash Source version v1 Observed 2026-10-21T16:37:40.342Z Evidence SHA-256 `2f5c8d08728735790b500d930d71b66f04253f1209f7c1c3da0db0846c163fcf` Source locator `/items/51` | | | | | | | [DesignArena Data visualization generation](https://benchize.com/benchmarks/designarena%3Adata-viz.md) | 1,290elo | — | 18 / 99 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=data-viz) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1290 \| elo \| data-viz \| Higher is better \| ### Configuration arenaType models category dataviz inputModality Not reported sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 111318 battles 985 losses 491 standardError Not reported winRate 50.1 wins 494 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=data-viz) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:37:58.264Z Evidence SHA-256 `a895f6f1a25fa8eb01f821c2097ddec4f884de7bd22f1b8a22e82e6679b71849` Source locator `/data/19` | | | | | | | [DesignArena Overall frontend coding](https://benchize.com/benchmarks/designarena%3Acode.md) | 1,320elo | SE ±2.02 | 13 / 116 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=code) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1320 \| elo \| code \| Higher is better \| ### Configuration arenaType models category allcategories inputModality text sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics Uncertainty Standard error: ±2.02 averageGenerationTimeMs 142248 battles 42172 losses 20145 standardError 2.0229 winRate 52.2 wins 22027 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=code) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:37:57.301Z Evidence SHA-256 `0c897b58670f5e352bd123db999a40c0d1781a443964c502b90774a76a3a7758` Source locator `/data/14` | | | | | | | [Rapidata SVG generation — Preference](https://benchize.com/benchmarks/rapidata%3Asvg%3Arlb_1MFkkEMFnCNyKl.md) | 876.45elo | CI 842.84–910.06 | 26 / 37 | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkEMFnCNyKl) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 876.450192290637 \| elo \| rlb_1MFkkEMFnCNyKl \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion rlb_1MFkkEMFnCNyKl participantId par_1Ufa7GRhUiMfuj sourceModelVersion deepseek-v4.1-flash weighted false ### Reported statistics Uncertainty Confidence interval: 842.84–910.06 confidenceIntervalLowerOffset 33.61284234262985 confidenceIntervalUpperOffset 33.61284234262985 totalMatches 2483 wins 1000 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkEMFnCNyKl) Source rapidata Original model label deepseek-v4.1-flash Source version v1 Observed 2026-10-21T16:37:40.980Z Evidence SHA-256 `b70f07a4924c82499996aba613ca8ec2d0aee9ec9ebd404e45c8bf250206cf40` Source locator `/items/48` | | | | | | | [Rapidata SVG generation — Overall preference](https://benchize.com/benchmarks/rapidata%3Asvg%3Aoverall.md) | 885.29elo | CI 866.5–904.08 | 29 / 37 | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 885.2906815519401 \| elo \| overall \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion overall participantId par_1Ufa7GRhUiMfuj sourceModelVersion deepseek-v4.1-flash weighted false ### Reported statistics Uncertainty Confidence interval: 866.5–904.08 confidenceIntervalLowerOffset 18.788990384242993 confidenceIntervalUpperOffset 18.78899038424288 totalMatches 7449.2450149959 wins 3075.338300971105 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query) Source rapidata Original model label deepseek-v4.1-flash Source version v1 Observed 2026-10-21T16:37:39.078Z Evidence SHA-256 `4b73ff7e4ca0ecfd64f7888c2d64f3398a058c945c4644acd54eddb330e16d66` Source locator `/items/53` | | | | | | | [DesignArena Image to HTML](https://benchize.com/benchmarks/designarena%3Aimage-to-html.md) | 1,212elo | — | 20 / 35 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=image-to-html) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1212 \| elo \| image-to-html \| Higher is better \| ### Configuration arenaType models category website inputModality image sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 137529 battles 5834 losses 2946 standardError Not reported winRate 49.5 wins 2888 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=image-to-html) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:37:58.959Z Evidence SHA-256 `94f97ebbdd53a8c56f138b620e59b3a9b35c66c3954dcaaa1b2ed4c71518b404` Source locator `/data/21` | | | | | | | [DistressBench](https://benchize.com/benchmarks/scale%3Adistressbench.md) | 79.78source score | CI 78.77–80.79 | 4 / 27 | [scale](https://labs.scale.com/leaderboard/distressbench) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 79.78 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration deepseek-v4.1-flash sourceModelVersion deepseek-v4p1-flash thinkingEnabled Not reported ### Reported statistics Uncertainty Confidence interval: 78.77–80.79 contaminationWarning Not reported rank 4 reportedConfidenceHalfWidth 1.01 ### Source [Original source](https://labs.scale.com/leaderboard/distressbench) Source scale Original model label deepseek-v4.1-flash Observed 2026-10-22T03:30:05.896Z Evidence SHA-256 `6454425cf2678fa1119e99bffcdc827763d2b9c485395cb7aba2ef2e1f0cafbd` Source locator `/rows/3` | | | | | | | [DesignArena 3D design generation](https://benchize.com/benchmarks/designarena%3A3d-design.md) | 1,356elo | — | 12 / 110 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=3d-design) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1356 \| elo \| 3d-design \| Higher is better \| ### Configuration arenaType models category 3d inputModality Not reported sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 150541 battles 5313 losses 2221 standardError Not reported winRate 58.2 wins 3092 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=3d-design) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:37:58.515Z Evidence SHA-256 `bcc0267f7bc7e9ec112306b3a35413cf78bbccbfaa838356232d5d5ed0b83d0f` Source locator `/data/13` | | | | | | | [DesignArena Browser game generation](https://benchize.com/benchmarks/designarena%3Agame-dev.md) | 1,330elo | — | 13 / 117 | [designarena · public](https://www.designarena.ai/api/leaderboard#board=game-dev) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1330 \| elo \| game-dev \| Higher is better \| ### Configuration arenaType models category gamedev inputModality Not reported sourceModelVersion deepseek-v4-1-flash variationName public ### Reported statistics averageGenerationTimeMs 155257 battles 12257 losses 5564 standardError Not reported winRate 54.6 wins 6693 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=game-dev) Source designarena Original model label DeepSeek-V4.1-Flash Source version public Observed 2026-10-21T16:38:01.100Z Evidence SHA-256 `53db6a89112ce8cdf644568c666d4b8309aece764cfcedb291ffd52ae3934e30` Source locator `/data/14` | | | | | | --- Cite as: DeepSeek V4.1 Flash — Benchize, https://benchize.com/models/deepseek-v4-1-flash (retrieved 2026-10-22)