DeepSeek-V4-Provs.DeepSeek V4.1 Flash 1017

Is the higher price worth it?

No: DeepSeek V4.1 Flash 1017 is cheaper and even ahead in the overall index.

IntelligenceOverall index, 0 to 100 · higher is better

DeepSeek-V4-Pro

Rank 42 to 50

DeepSeek V4.1 Flash 1017

Rank 14 to 22

SpeedTokens per second · higher is better

DeepSeek-V4-Pro

fairly slow

178

DeepSeek V4.1 Flash 1017

fast

PriceDollars per 1M tokens · lower is better

$0.99

DeepSeek-V4-Pro

fairly cheap

$0.26

DeepSeek V4.1 Flash 1017

cheap

DeepSeek-V4-Pro

Subscription: No DeepSeek subscription includes this model. Through other providers from ≈ €1.06 a month (Command Code Go, with limited credits). 20 plans in Germany.
Via API: $0.66 input, $1.98 output per 1M tokens according to the provider; the price index has listed it at $1.32 and $3.96 since Aug 17, 2026.

DeepSeek V4.1 Flash 1017

Subscription: No DeepSeek subscription includes this model. Through other providers from ≈ €6.36 a month (Token Plan Individual Lite, with limited credits). 7 plans in Germany.
Via API: $0.15 input, $0.60 output per 1M tokens according to the provider; the price index has listed it at $0.30 and $1 since Oct 26, 2026.

Overall index with data through Oct 29, 2026 · Prices from Oct 29, 2026 · Speed: measured by Artificial Analysis · Subscriptions as of Oct 24, 2026 · Subscription prices incl. VAT

Where is the difference?

Values from 0 to 100 per task area. We only name a winner when the gap is large enough and there are enough tests.

DeepSeek-V4-Pro ahead: 0DeepSeek V4.1 Flash 1017 ahead: 5level: 0too little data: 4of 9 areas

AreaDeepSeek-V4-ProDeepSeek V4.1 Flash 10170 to 100, higher is betterResult

Areas in the overall index

CodingDeepSeek V4.1 Flash 1017 ahead2472

ReasoningDeepSeek V4.1 Flash 1017 ahead1645

Mathematicsonly DeepSeek-V4-Pro has a score16not enough data

Knowledgetoo little data2033

AgentsDeepSeek V4.1 Flash 1017 ahead3475

Multimodalonly DeepSeek V4.1 Flash 1017 has a scorenot enough data55

Specialist fields

FinanceDeepSeek V4.1 Flash 1017 ahead1969

LegalDeepSeek V4.1 Flash 1017 ahead1176

Healthonly DeepSeek-V4-Pro has a score8not enough data

Show 1 more areas that do not count toward the overall index

AreaDeepSeek-V4-ProDeepSeek V4.1 Flash 10170 to 100, higher is betterResult

Productivityonly DeepSeek-V4-Pro has a score27not enough data

See for yourself: same task, one attempt

The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.

Pelican on a bicycle

A community classic for free-form SVG drawing.

DeepSeek-V4-Pro

The response reached the token limit. No complete recording is available.

Reasoning (requested): high

Current attempt

Run date: Oct 5, 2026
API provider: openrouter
Requested API model: deepseek/deepseek-v4-pro-0813
API model reported in response: deepseek/deepseek-v4-pro-0813
Reasoning setting: high
Pinned endpoint: DeepSeek | deepseek/deepseek-v4-pro-20260813
Temperature: Provider default
Token limit including reasoning: 8,192 tokens
Test protocol: community-visual-tests-v1
Technical checks: Failed
Response time: 67.6 s

Not yet visually reviewed. A successful recording does not confirm correct physics or full compliance with the prompt.

Earlier attempts (3)

Oct 2, 2026API request failedReasoning setting: high
Oct 1, 2026API request failedReasoning setting: high
Sep 7, 2026API request failedReasoning setting: high

DeepSeek V4.1 Flash 1017

Not tested yet

Prompt and test conditions

Generate an SVG of a pelican riding a bicycle

Token limit including reasoning: 8,192 tokens

Task origin (Simon Willison)

SVG short test

There is no shared test round for this selection. Results from different rounds are not mixed.

All data side by side

The better value is bold. For the overall index only when the gap is clear.

Metric	DeepSeek-V4-Pro	DeepSeek V4.1 Flash 1017
Intelligence
Overall index0 to 100, higher is better	18	64
Rank	Rank 42 to 50 of 95	Rank 14 to 22 of 95
Price per 1M tokens
Inputwhat you send	$0.66	$0.15
Outputwhat the model writes	$1.98	$0.60
Speed
Tokens per second	81	178
Technical
Context windowhow much text the model reads at once	1 M tokens≈ 1,500 A4 pages	1.05 M tokens≈ 1,570 A4 pages
Knowledge cutoff	n/a	n/a
Released	Apr 24, 2026	Oct 17, 2026
Availability	Active	Open Source
Open weights	yes	yes

DeepSeek-V4-Pro: At peak times (Mon, Tue, Wed, Thu, Fri, 01:00-04:00 UTC; Mon, Tue, Wed, Thu, Fri, 06:00-10:00 UTC) the price is $1.32 input and $3.96 output per 1M tokens. The table shows the off-peak price.
DeepSeek V4.1 Flash 1017: At peak times (Mon, Tue, Wed, Thu, Fri, 01:00-04:00 UTC; Mon, Tue, Wed, Thu, Fri, 06:00-10:00 UTC) the price is $0.30 input and $1.20 output per 1M tokens. The table shows the off-peak price.
DeepSeek V4.1 Flash 1017, Time-based API pricing: Off peak: $0.15 input, $0.60 output, and $0.003 cached input. Weekdays UTC 01:00-04:00 and 06:00-10:00: $0.30, $1.20, and $0.006. Chinese public holidays are excluded. Source

Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis

Shared benchmarks

Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.

A: DeepSeek-V4-ProB: DeepSeek V4.1 Flash 1017

AA-BriefcaseOverall · higher is better1,254.48 elo1,570.42 eloArtificial AnalysisAs of 10/29/2026

AA-OmniscienceOverall · higher is better-6.367 points0.9 pointsArtificial AnalysisAs of 10/29/2026

AA-Omniscience AccuracyOverall · higher is better45.2%39.6%Artificial AnalysisAs of 10/29/2026

AA-Omniscience Hallucination RateOverall · lower is better94.1%64.1%Artificial AnalysisAs of 10/29/2026

Artificial Analysis Intelligence IndexOverall · higher is better23.063 points32.49 pointsArtificial AnalysisAs of 10/29/2026

AutomationBench-AAOverall · higher is better56.7%66.6%Artificial AnalysisAs of 10/29/2026

Code MigrationOverall · higher is betterTest setup not documented as identical26.2%44.2%Vals AIAs of 10/18/2026

CritPt v2Overall · higher is better18.0%24.0%Artificial AnalysisAs of 10/29/2026

CritPt v2 (Hard Subset)Overall · higher is better23.5%24.0%Artificial AnalysisAs of 10/29/2026

EMBOverall · higher is betterTest setup not documented as identical51.6%61.8%Vals AIAs of 10/20/2026

Show 54 more benchmarks

Finance Agent (v2)Overall · higher is betterTest setup not documented as identical44.1%57%Vals AIAs of 10/20/2026

FrontierCodeOverall · higher is better17.1%28.5%Artificial AnalysisAs of 10/29/2026

FrontierCode 1.1 MainOverall · higher is better38.8%43.7%Artificial AnalysisAs of 10/29/2026

GDP.pdfOverall · higher is better11.4%17.2%Artificial AnalysisAs of 10/29/2026

GDPval-AAOverall · higher is better1,457.37 elo1,745.77 eloArtificial AnalysisAs of 10/29/2026

HLE-DiamondOverall · higher is better19.5%25.3%Artificial AnalysisAs of 10/29/2026

Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identical23.1%45.2%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identical1,4471,666LMArenaAs of 10/27/2026

Tax Agent BenchOverall · higher is betterTest setup not documented as identical25.2%44.4%Vals AIAs of 10/26/2026

Terminal-BenchOverall · higher is better14.1%33.8%Artificial AnalysisAs of 10/29/2026

Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identical11.1%31.8%Vals AIAs of 10/26/2026

Terminal-Bench-ScienceOverall · higher is better5.7%12.9%Artificial AnalysisAs of 10/29/2026

Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identical49.9%87.7%Vals AIAs of 10/26/2026

Code MigrationCLI · higher is betterTest setup not documented as identical15.5%35.6%Vals AIAs of 10/18/2026

EMBComps · higher is betterTest setup not documented as identical57.4%49.8%Vals AIAs of 10/20/2026

Finance Agent (v2)Adjustments · higher is betterTest setup not documented as identical41.6%58.4%Vals AIAs of 10/20/2026

Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identical28.8%59.1%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identical1,4641,666LMArenaAs of 10/27/2026

Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identical12.3%23.3%Vals AIAs of 10/26/2026

Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identical0%6.7%Vals AIAs of 10/26/2026

Code MigrationCOBOL · higher is betterTest setup not documented as identical58.4%70%Vals AIAs of 10/18/2026

EMBDataroom · higher is betterTest setup not documented as identical62.6%82.8%Vals AIAs of 10/20/2026

Finance Agent (v2)All-Pass · higher is betterTest setup not documented as identical31.4%45.2%Vals AIAs of 10/20/2026

Legal Research BenchAdministrative / Regulatory · Weighted partial credit · higher is betterTest setup not documented as identical83.4%91.3%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identical1,4341,705LMArenaAs of 10/27/2026

Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identical54.8%73.2%Vals AIAs of 10/26/2026

Terminal-Bench 4.0Media · higher is betterTest setup not documented as identical0%25%Vals AIAs of 10/26/2026

Code MigrationCode Quality · higher is betterTest setup not documented as identical3.401 / 53.992 / 5Vals AIAs of 10/18/2026

EMBDCF · higher is betterTest setup not documented as identical44.4%53%Vals AIAs of 10/20/2026

Finance Agent (v2)Comparables · higher is betterTest setup not documented as identical39.6%47.5%Vals AIAs of 10/20/2026

Legal Research BenchBusiness & Commercial · All-pass · higher is betterTest setup not documented as identical23.3%44.2%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identical1,4711,705LMArenaAs of 10/27/2026

Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identical36.6%56.4%Vals AIAs of 10/26/2026

Terminal-Bench 4.0ML · higher is betterTest setup not documented as identical3%42.4%Vals AIAs of 10/26/2026

EMBLBO · higher is betterTest setup not documented as identical43.9%57.8%Vals AIAs of 10/20/2026

Finance Agent (v2)Disclosure Analysis · higher is betterTest setup not documented as identical52.6%66.3%Vals AIAs of 10/20/2026

Legal Research BenchBusiness & Commercial · Weighted partial credit · higher is betterTest setup not documented as identical86.5%87.8%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identical1,4411,672LMArenaAs of 10/27/2026

Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identical65.7%75%Vals AIAs of 10/26/2026

Terminal-Bench 4.0Operations · higher is betterTest setup not documented as identical7.4%18.5%Vals AIAs of 10/26/2026

EMBM&A · higher is betterTest setup not documented as identical48.2%62.3%Vals AIAs of 10/20/2026

Finance Agent (v2)Earnings Analysis · higher is betterTest setup not documented as identical59.8%75.3%Vals AIAs of 10/20/2026

Legal Research BenchCivil Litigation · All-pass · higher is betterTest setup not documented as identical33.3%37%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identical1,4541,672LMArenaAs of 10/27/2026

Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identical21.9%55.8%Vals AIAs of 10/26/2026

Terminal-Bench 4.0Science · higher is betterTest setup not documented as identical7.1%38.1%Vals AIAs of 10/26/2026

EMBMisc · higher is betterTest setup not documented as identical57.6%60.9%Vals AIAs of 10/20/2026

Finance Agent (v2)Financial Modeling · higher is betterTest setup not documented as identical10.5%22.8%Vals AIAs of 10/20/2026

Legal Research BenchCivil Litigation · Weighted partial credit · higher is betterTest setup not documented as identical86%84.9%Vals AIAs of 10/26/2026

LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identical1,4471,666LMArenaAs of 10/27/2026

Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identical55.6%72.5%Vals AIAs of 10/26/2026

Terminal-Bench 4.0Security · higher is betterTest setup not documented as identical26.7%26.7%Vals AIAs of 10/26/2026

EMBOperating · higher is betterTest setup not documented as identical47.2%66.1%Vals AIAs of 10/20/2026

Finance Agent (v2)General Qualitative Analysis · higher is betterTest setup not documented as identical60.3%74.1%Vals AIAs of 10/20/2026

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View the complete LLM comparison

DeepSeek-V4-Provs.DeepSeek V4.1 Flash 1017

DeepSeek-V4-Pro

DeepSeek V4.1 Flash 1017

Where is the difference?

See for yourself: same task, one attempt

Pelican on a bicycle

All data side by side

Shared benchmarks

Compare another matchup

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