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DeepSeek V4.1 Flash 1017

Across the task benchmarks we track, DeepSeek V4.1 Flash 1017’s strongest relative results are in knowledge work and work automations. On GDPval-AA v2.1, it scores 1,746 Elo, ranking #5 among 38 models with reported results in our dataset.

Updated: Data as of:

Strongest results

Strongest results for DeepSeek V4.1 Flash 1017 in tracked evaluation cohorts
BenchmarkMeasuresScore
Agent Index ↗v1.2 PreviewOverall agent capability40.6 / 100#12 of 26
LiveBench: Coding ↗2.0 / 2026-10-25Coding with LiveBench96%Joint #3 of 25
LiveBench: Design ↗2.0 / 2026-10-25Documents and presentations83.4%Joint #3 of 25
GDPval-AA ↗2.1Knowledge work1,745.77 Elo#5 of 38

Model details

Open source / open weights15 benchmarks
Specifications for DeepSeek V4.1 Flash 1017
ModelDeepSeek V4.1 Flash 1017
Agent Index v1.240.6 / 100 · Rank 12 · Preview
CreatorDeepSeek (opens in a new tab)
AvailabilityOpen source / open weights
Context size1,000,000 tokens (opens in a new tab)
Max output393,216 tokens (opens in a new tab)
Knowledge cutoffNot reported
LicenseMIT · Model weights ↗ (opens in a new tab)

Pricing and performance

Per provider and reported configuration. Prices are USD per 1M tokens.

Provider offerings for DeepSeek V4.1 Flash 1017
Provider / configurationContexttokensInputUSD / 1M tokensOutputUSD / 1M tokensLatencyTTFT · secondsSpeedtokens / sec
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.355 (opens in a new tab)166.806 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max) (FAST)1,048,576$0.60 (opens in a new tab)$2.40 (opens in a new tab)0.182 (opens in a new tab)1,021.729 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.144 (opens in a new tab)$0.576 (opens in a new tab)1.651 (opens in a new tab)294.279 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.098 (opens in a new tab)$0.294 (opens in a new tab)0.701 (opens in a new tab)92.086 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)1.277 (opens in a new tab)173.207 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.503 (opens in a new tab)253.956 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)1.338 (opens in a new tab)214.831 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,575$0.18 (opens in a new tab)$0.72 (opens in a new tab)1.448 (opens in a new tab)363.705 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max) (FAST)1,048,576$0.60 (opens in a new tab)$2.40 (opens in a new tab)1.317 (opens in a new tab)1,075.275 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.15 (opens in a new tab)$0.60 (opens in a new tab)0.962 (opens in a new tab)248.975 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max) (FAST)1,048,576$0.25 (opens in a new tab)$1.00 (opens in a new tab)1.073 (opens in a new tab)393.111 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max) (ULTRA CHAT)1,048,576$0.35 (opens in a new tab)$1.40 (opens in a new tab)Not reportedNot reported
DeepSeek V4.1 Flash 1017 (max) (ULTRA)1,048,576$0.35 (opens in a new tab)$1.40 (opens in a new tab)0.996 (opens in a new tab)430.879 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.15 (opens in a new tab)$1.20 (opens in a new tab)0.94 (opens in a new tab)211.519 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.25 (opens in a new tab)$1.00 (opens in a new tab)0.601 (opens in a new tab)233.592 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)1.33 (opens in a new tab)391.095 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)1.618 (opens in a new tab)149.885 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.623 (opens in a new tab)243.147 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.24 (opens in a new tab)$0.96 (opens in a new tab)0.803 (opens in a new tab)225.044 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.15 (opens in a new tab)$0.60 (opens in a new tab)1.162 (opens in a new tab)231.297 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.988 (opens in a new tab)845.4 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.31 (opens in a new tab)382.936 (opens in a new tab)
DeepSeek V4.1 Flash 1017 (max)1,048,576$0.15 (opens in a new tab)$0.60 (opens in a new tab)0.618 (opens in a new tab)205.721 (opens in a new tab)

Benchmark performance

DeepSeek V4.1 Flash 1017 in color, alongside leading models. Latest stored reports, best effort per report date.

Reported benchmarks

All published results in our dataset, with versions, evaluation settings, and sources.

All published benchmark reports for DeepSeek V4.1 Flash 1017
BenchmarkScoreEvaluation setupSource
AA-Briefcase1.1 / combined EloCombined Elo · Higher is better1,570.42 Eloselection: best reported configuration per release · DeepSeek V4.1 Flash 1017 (Max) · tools: benchmark-definedArtificial Analysis (opens in a new tab)independent
AutomationBench-AA1.0.6 / AA private 657Objectives completed without guardrail violations · Higher is better66.641%DeepSeek V4.1 Flash 1017 (Max); Private 657 tasks; 50 turns; objective completionArtificial Analysis (opens in a new tab)independent
AutomationBench-AA1.0.6 / AA private 657Objectives completed without guardrail violations · Higher is better68.493%DeepSeek V4.1 Flash 1017 (High); Private 657 tasks; 50 turns; objective completionArtificial Analysis (opens in a new tab)independent
AutomationBench-AA1.0.6 / AA private 657Objectives completed without guardrail violations · Higher is better48.779%DeepSeek V4.1 Flash 1017 (Non-reasoning); Private 657 tasks; 50 turns; objective completionArtificial Analysis (opens in a new tab)independent
GDP.pdf100 tasks / All-pass / five attemptsAccuracy · Higher is better17.2%selection: best reported configuration per release · DeepSeek V4.1 Flash 1017 (Max) · tools: benchmark-definedArtificial Analysis (opens in a new tab)independent
GDPval-AA2.1Elo · Higher is better1,745.77 EloDeepSeek V4.1 Flash 1017 (Max); 220 tasks; Stirrup agent; pairwise EloArtificial Analysis (opens in a new tab)independent
HLE-Diamond1,000 questions / no toolsAccuracy · Higher is better25.3%selection: best reported configuration per release · DeepSeek V4.1 Flash 1017 (Max) · No toolsArtificial Analysis (opens in a new tab)independent
Humanity's Last ExamStable HLE — full setAccuracy · Higher is better42.6%subset: full · No toolsDeepSeek ↗ (opens in a new tab)provider reported · 2026-10-17
Humanity's Last ExamStable HLE — full setAccuracy · Higher is better58.8%Max effort; competitor result in Moonshot AI report. · subset: full · Tools enabledMoonshot AI ↗ (opens in a new tab)other
Humanity's Last ExamStable HLE — text-only subsetAccuracy · Higher is better44%subset: text · No toolsDeepSeek ↗ (opens in a new tab)provider reported · 2026-10-17
Humanity's Last ExamStable HLE — text-only subsetAccuracy · Higher is better43.3%question count: 2158 · reported precision decimals: 1 · DeepSeek V4.1 Flash 1017 (max); original HLE; 2,158 text-only questions; no tools; pass@1; chart labels rounded to one decimal. · source model href: /models/deepseek-v4-1-flash-1017 · subset: text · No toolsArtificial Analysis (opens in a new tab)independent
LiveBench: Agentic2.0 / 2026-10-25Accuracy · Higher is better35.7%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: agenticLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
LiveBench: Browser Use2.0 / 2026-10-25Accuracy · Higher is better67.2%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: browser-useLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
LiveBench: Coding2.0 / 2026-10-25Accuracy · Higher is better96%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: codingLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
LiveBench: Data Analysis2.0 / 2026-10-25Accuracy · Higher is better79.5%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: data-analysisLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
LiveBench: Design2.0 / 2026-10-25Accuracy · Higher is better83.4%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: designLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
LiveBench: Reasoning2.0 / 2026-10-25Accuracy · Higher is better89.1%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: reasoningLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
LiveBench: Research2.0 / 2026-10-25Accuracy · Higher is better79.5%release: 2026-10-25 · Highest supported effort unless publisher reports an exception; single run · suite: researchLiveBench ↗ (opens in a new tab)benchmark publisher · 2026-10-25
Terminal-Bench4.0 / mini-swe-agentTask success · Higher is better33.838%harness: mini-swe-agent · repeats: 3 · selection: best reported configuration per release · DeepSeek V4.1 Flash 1017 (Max)Artificial Analysis (opens in a new tab)independent