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Across the task benchmarks we track, DeepSeek V4.1 Flash’s strongest relative results are in work automations and knowledge work. On AutomationBench-AA, it scores 68.89%, ranking #7 among 55 models with reported results in our dataset.

Updated: Data as of:

Strongest results

Strongest results for DeepSeek V4.1 Flash in tracked evaluation cohorts
BenchmarkMeasuresScore
AutomationBench-AA ↗1.0.6 / AA private 657Work automations68.89%#7 of 55
AA-Briefcase ↗1.1 / combined EloBusiness deliverables1,416.94 Elo#22 of 57
Terminal-Bench ↗4.0 / mini-swe-agentWorking in a terminal26.77%#22 of 56
GDPval-AA ↗2.1Knowledge work1,600 Elo#16 of 38

Model details

Open source / open weights9 benchmarks
Specifications for DeepSeek V4.1 Flash
ModelDeepSeek V4.1 Flash
Agent Index v1.2Insufficient coverage (4/7) · Preview
CreatorDeepSeek (opens in a new tab)
AvailabilityOpen source / open weights
Context size1,000,000 tokens (opens in a new tab)
Max outputNot reported (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
Provider / configurationContexttokensInputUSD / 1M tokensOutputUSD / 1M tokensLatencyTTFT · secondsSpeedtokens / sec
DeepSeek V4.1 Flash (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.63 (opens in a new tab)244.981 (opens in a new tab)
DeepSeek V4.1 Flash (max) (FAST)1,048,576$0.60 (opens in a new tab)$2.40 (opens in a new tab)0.94 (opens in a new tab)830.034 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.144 (opens in a new tab)$0.576 (opens in a new tab)1.515 (opens in a new tab)289.729 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.20 (opens in a new tab)$0.65 (opens in a new tab)0.997 (opens in a new tab)297.861 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,048,576$0.29 (opens in a new tab)$1.20 (opens in a new tab)0.771 (opens in a new tab)205.633 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.91 (opens in a new tab)384.067 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.14 (opens in a new tab)$0.42 (opens in a new tab)0.698 (opens in a new tab)164.074 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.821 (opens in a new tab)81.897 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.18 (opens in a new tab)$0.72 (opens in a new tab)1.813 (opens in a new tab)140.702 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,048,576$0.26 (opens in a new tab)$1.17 (opens in a new tab)0.662 (opens in a new tab)190.722 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.559 (opens in a new tab)157.789 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)1.334 (opens in a new tab)257.082 (opens in a new tab)
DeepSeek V4.1 Flash (max)524,288$0.30 (opens in a new tab)$1.20 (opens in a new tab)1.228 (opens in a new tab)136.759 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.63 (opens in a new tab)239.17 (opens in a new tab)
DeepSeek V4.1 Flash (max)262,144$0.70 (opens in a new tab)$2.09 (opens in a new tab)1.41 (opens in a new tab)201.347 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,000,000$0.15 (opens in a new tab)$0.60 (opens in a new tab)1.596 (opens in a new tab)154.517 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.311 (opens in a new tab)373.034 (opens in a new tab)
DeepSeek V4.1 Flash (max)1,048,576$0.30 (opens in a new tab)$1.20 (opens in a new tab)0.563 (opens in a new tab)320.504 (opens in a new tab)

Benchmark performance

DeepSeek V4.1 Flash 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
BenchmarkScoreEvaluation setupSource
AA-Briefcase1.1 / combined EloCombined Elo · Higher is better1,416.94 Eloselection: best reported configuration per release · DeepSeek V4.1 Flash (Max) · tools: benchmark-definedArtificial Analysis (opens in a new tab)independent
AutomationBench-AA1.0.6 / AA private 657Objectives completed without guardrail violations · Higher is better68.891%DeepSeek V4.1 Flash (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 better47.808%DeepSeek V4.1 Flash (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 better12.8%selection: best reported configuration per release · DeepSeek V4.1 Flash (Max) · tools: benchmark-definedArtificial Analysis (opens in a new tab)independent
GDPval-AA2.1Elo · Higher is better1,600 EloDeepSeek V4.1 Flash (Max); 220 tasks; Stirrup agent; pairwise EloArtificial Analysis (opens in a new tab)independent
GDPval-AA2.1Elo · Higher is better1,348.71 EloDeepSeek V4.1 Flash (Non-reasoning); 220 tasks; Stirrup agent; pairwise EloArtificial Analysis (opens in a new tab)independent
HLE-Diamond1,000 questions / no toolsAccuracy · Higher is better19.1%selection: best reported configuration per release · DeepSeek V4.1 Flash (Max) · No toolsArtificial Analysis (opens in a new tab)independent
Humanity's Last ExamHLE — source does not specify subsetAccuracy · Higher is better63.9%subset: unspecified · Tools enabledDeepSeek ↗ (opens in a new tab)provider reported · 2026-09-10
Humanity's Last ExamStable HLE — full setAccuracy · Higher is better36.8%subset: full · No toolsDeepSeek ↗ (opens in a new tab)provider reported · 2026-09-10
Humanity's Last ExamStable HLE — text-only subsetAccuracy · Higher is better39.1%subset: text · No toolsDeepSeek ↗ (opens in a new tab)provider reported · 2026-09-10
Humanity's Last ExamStable HLE — text-only subsetAccuracy · Higher is better39.2%question count: 2158 · reported precision decimals: 1 · DeepSeek V4.1 Flash (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 · subset: text · No toolsArtificial Analysis (opens in a new tab)independent
Terminal-Bench4.0 / mini-swe-agentTask success · Higher is better26.768%harness: mini-swe-agent · repeats: 3 · selection: best reported configuration per release · DeepSeek V4.1 Flash (Max)Artificial Analysis (opens in a new tab)independent