AnthropicDeepSeekLLM matchup

Claude Fable 5vs.DeepSeek-V4.1-Flash

Which one is better?

Claude Fable 5 performs better than DeepSeek-V4.1-Flash, but costs 66.7 times (input) and 83.3 times (output) as much.

Fable 5 ahead

IntelligenceOverall index, 100 points = average

112.5

Claude Fable 5

Rank 12

99.7

DeepSeek-V4.1-Flash

Rank 29

DeepSeek-V4.1-Flash faster

SpeedTokens per second

Claude Fable 5

176

DeepSeek-V4.1-Flash

DeepSeek-V4.1-Flash cheaper

Price$ per 1M tokens

$20

Claude Fable 5

$0.26

DeepSeek-V4.1-Flash

Fable 5 more popular

Popularity0 to 100

Claude Fable 5

Rank 173 of 875

DeepSeek-V4.1-Flash

Rank 298 of 875

Choose Claude Fable 5 for

MultimodalHealthMathematicsProductivityCodingLegalFinanceGeneral (not certain)Agents (not certain)

Choose DeepSeek-V4.1-Flash for

No clear advantage

Where is the difference?

Strengths at a glance

Fable 5DeepSeek-V4.1-Flash

The median of all ranked models is below 100 in every area, so it sits in the centre of the net.

CodingFable 5 ahead

Fable 5112.6Rank 14

DeepSeek-V4.1-Flash98.8Rank 30

Median of ranked models83.7

95 % range: Fable 5 109.4 to 115.8, DeepSeek-V4.1-Flash 91.4 to 106.3.

AreaFable 5DeepSeek-V4.1-Flash

The same values and verdicts as the bars below. In the top field the net starts at 100 points, the reference group average; values below sit as a hollow point in the centre. Not in the net because a model has no own value there or the data are too thin: Reasoning, Knowledge.

Fable 5 is ahead in 6 of 10 areas, DeepSeek-V4.1-Flash in none.

Fable 5 ahead: 6Fable 5 slightly ahead: 2too little data: 2

Areas in the overall index

MultimodalFable 5 +21116.4 to 95.7

MathematicsFable 5 +20117.5 to 97.3

CodingFable 5 +14112.6 to 98.8

Generalleaning Fable 5not certain · 2 and 4 tests

Agentsleaning Fable 5not certain · 2 and 4 tests

Reasoningonly Fable 5 has a score

Knowledgeonly Fable 5 has a score

Specialist fields

HealthFable 5 +20116.0 to 95.5

LegalFable 5 +10110.9 to 100.8

FinanceFable 5 +8111.8 to 103.7

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Show 4 more areas that do not count toward the overall index

ProductivityFable 5 +16115.9 to 99.7

Cybersecurityonly DeepSeek-V4.1-Flash has a score

Searchonly Fable 5 has a score

Educationonly DeepSeek-V4.1-Flash has a score

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Which model for which task?

Everyday tasks, translated from the area values above. Each row names the values it rests on.

TaskBetter choicebased on

Writing and debugging codeFable 5Coding 112.6 to 98.8

Maths and data analysisFable 5Mathematics 117.5 to 97.3, Reasoning without a score for DeepSeek-V4.1-Flash

Facts and researchopenKnowledge without a score for DeepSeek-V4.1-Flash, Search without a score for DeepSeek-V4.1-Flash

Agents and workflowsleaning Fable 5Agents 111.0 to 106.4

Fast chat repliesDeepSeek-V4.1-Flash86 to 176 tokens per second

Security analysisopenCybersecurity without a score for Fable 5

Many requests on a small budgetDeepSeek-V4.1-Flash$20 to $0.26 per 1M tokens

Finance, legal and medical textsFable 5Finance 111.8 to 103.7, Legal 110.9 to 100.8, Health 116.0 to 95.5

Images, screenshots and PDFsFable 5Multimodal 116.4 to 95.7

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

Prompt

Generate an SVG of a pelican riding a bicycle

Task origin: Simon Willison

Claude Fable 5

Sep 7, 2026 · 53 s · $0.11

Test details

Run date: Sep 7, 2026
API provider: openrouter
Requested API model: anthropic/claude-fable-5
Reasoning setting: high
Token limit including reasoning: 8,192 tokens
Output tokens: 2,287 tokens
Cost of the attempt: $0.1146
Response time: 53.1 s
API model reported in response: anthropic/claude-fable-5
Pinned endpoint: Anthropic | anthropic/claude-5-fable-20260609
Temperature: Provider default
Test protocol: community-visual-tests-v1
Technical checks: Passed, not a quality rating

Visually reviewed. This individual test does not establish overall model quality.

DeepSeek-V4.1-Flash

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

Oct 5, 2026 · 26 s · $0.0049

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

Test details

Run date: Oct 5, 2026
API provider: openrouter
Requested API model: deepseek/deepseek-v4.1-flash
Reasoning setting: high
Token limit including reasoning: 8,192 tokens
Output tokens: 8,191 tokens
Cost of the attempt: $0.0049
Response time: 25.8 s
API model reported in response: deepseek/deepseek-v4.1-flash
Pinned endpoint: DeepSeek | deepseek/deepseek-v4.1-flash-20260910
Temperature: Provider default
Test protocol: community-visual-tests-v1
Technical checks: Failed

Earlier attempts (2)

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

SVG short test

One SVG task with the same fixed settings for every model, without hidden thinking.

Prompt

Return only one standalone SVG of a pelican riding a bicycle. Use viewBox="0 0 800 600", simple shapes, two clearly visible wheels and a recognizable pelican with a long beak. At most 30 SVG elements and 1800 characters. No Markdown, explanations, comments, scripts, animation, CSS or external resources.

Claude Fable 5

Unavailable in this round

DeepSeek-V4.1-Flash

Claude Fable 5 and DeepSeek-V4.1-Flash in the overall index

Every model with a place in the overall index, both models of this matchup highlighted. You can add or hide other models.

Overall index (Gradually Meta-Score v4)

20 of 91 models

4 models in this view are measured at a lower reasoning effort than max in the overall index. Dashed column: lower reasoning effort than the top.

Claude Opus 5.5max126.1

Gemini 4 Carbonhigh125.7

Claude Fable 5.1max123.8

Claude Sonnet 5.5max122.8

Gemini 4 Argonhigh122.3

GPT-6 Astramax121.3

GPT-6.1 Solmax119.2

Muse Wonder Fullmax118.3

Claude Opus 5max117.2

Muse Wondermax113.4

Kimi K3.1 Promax112.9

Claude Fable 5max112.5

GPT-6 Solmax110.6

GPT-5.6 Solmax108.7

Muse Spark 1.3max107.4

Gemini 3.7 Flashhigh107.1

DeepSeek V4.1 Flash 1017max106.6

Gemini 3.8 Flashhigh106.5

GPT-6.1 Terramax105.2

DeepSeek-V4.1-Flashmax99.7

Claude Opus 5.5

Gemini 4 Carbon

Claude Fable 5.1

Claude Sonnet 5.5

Gemini 4 Argon

GPT-6 Astra

GPT-6.1 Sol

Muse Wonder Full

Claude Opus 5

Muse Wonder

Kimi K3.1 Pro

Claude Fable 5

GPT-6 Sol

GPT-5.6 Sol

Muse Spark 1.3

Gemini 3.7 Flash

DeepSeek V4.1 Flash 1017

Gemini 3.8 Flash

GPT-6.1 Terra

DeepSeek-V4.1-Flash

Popularity compared

How often the models are searched for, used and mentioned, on a scale from 0 to 100.

Claude Fable 5 is more popular than DeepSeek-V4.1-Flash: 45 to 38 out of 100.

Over time

Weekly values from October 18, 2026 to November 5, 2026

Claude Fable 5DeepSeek-V4.1-Flash

All data side by side

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

Metric	Claude Fable 5	DeepSeek-V4.1-Flash
Intelligence
Overall indexpoints, 100 = reference group average, higher is better	112.5	99.7
Rank	Rank 12 of 91	Rank 29 of 91
Price per 1M tokens
Inputwhat you send	$10	$0.15
Outputwhat the model writes	$50	$0.60
Cost per task (own tests)average of 2 tests both passed	$0.14	$0.008
Speed
Tokens per second	86	176
Popularity
Popularitysearch, usage and mentions, 0 to 100	45Rank 173 of 875	38Rank 298 of 875
Technical
Context windowhow much text the model reads at once	1 M tokens≈ 1,500 A4 pages	1 M tokens≈ 1,500 A4 pages
Knowledge cutoff	January 2026	n/a
Released	Jun 9, 2026	Sep 10, 2026
Availability	Active	Active
Open weights	no	yes

DeepSeek-V4.1-Flash: 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.

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

Is there a better choice?

Successor of Fable 5Claude Fable 5.1

Overall index 123.8, rank 3. $10 input and $50 output per 1M tokens.

DeepSeek-V4.1-Flash vs. Claude Fable 5.1

Successor of DeepSeek-V4.1-FlashDeepSeek V4.1 Flash 1017

Overall index 106.6, rank 17. $0.15 input and $0.60 output per 1M tokens.

Fable 5 vs. DeepSeek V4.1 Flash 1017

Cheaper than DeepSeek-V4.1-FlashClaude Haiku 5.5

Overall index 103.4, rank 20. $0.10 input and $0.50 output per 1M tokens.

Fable 5 vs. Claude Haiku 5.5

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: Claude Fable 5B: DeepSeek-V4.1-Flash

Code MigrationOverall · higher is betterTest setup not documented as identical55.1%45.6%Vals AIAs of 10/29/2026

EMBOverall · higher is betterTest setup not documented as identical73.7%57.2%Vals AIAs of 10/20/2026

Finance Agent (v2)Overall · higher is betterTest setup not documented as identical56.3%53.5%Vals AIAs of 10/29/2026

Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identical49.5%41.3%Vals AIAs of 11/05/2026

LegalBenchOverall · higher is betterTest setup not documented as identical88.6%83.3%Vals AIAs of 10/13/2026

LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identical1,6241,619LMArenaAs of 10/28/2026

LMArena Text, Style ControlOverall · higher is betterTest setup not documented as identical1,5041,476LMArenaAs of 10/28/2026

LMArena Vision, Style ControlOverall · higher is betterTest setup not documented as identical1,3091,261LMArenaAs of 10/19/2026

MedCodeOverall · higher is betterTest setup not documented as identical56.1%41.2%Vals AIAs of 10/29/2026

MedScribeOverall · higher is betterTest setup not documented as identical88.5%85.5%Vals AIAs of 10/29/2026

Show 54 more benchmarks

ProgramBenchOverall · higher is betterTest setup not documented as identical2%0.5%Vals AIAs of 11/05/2026

ProofBench v1.1Overall · higher is betterTest setup not documented as identical95%54%Vals AIAs of 10/29/2026

Public Benefits Bench v1.1Overall · higher is betterTest setup not documented as identical70.4%64.3%Vals AIAs of 10/12/2026

Tax Agent BenchOverall · higher is betterTest setup not documented as identical38.3%26.6%Vals AIAs of 11/05/2026

Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identical41.4%19.7%Vals AIAs of 11/05/2026

Terminal-Bench-ScienceOverall · higher is betterTest setup not documented as identical15.7%0%Vals AIAs of 11/05/2026

Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identical90.4%84.7%Vals AIAs of 11/05/2026

Code MigrationCLI · higher is betterTest setup not documented as identical60.1%37.5%Vals AIAs of 10/29/2026

EMBComps · higher is betterTest setup not documented as identical70.8%43.9%Vals AIAs of 10/20/2026

Finance Agent (v2)Adjustments · higher is betterTest setup not documented as identical51.1%49.2%Vals AIAs of 10/29/2026

Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identical57.6%53%Vals AIAs of 11/05/2026

LegalBenchConclusion Tasks · higher is betterTest setup not documented as identical91.8%89.1%Vals AIAs of 10/13/2026

LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identical1,6511,613LMArenaAs of 10/28/2026

LMArena Text, Style ControlBusiness, management and finance · higher is betterTest setup not documented as identical1,5011,478LMArenaAs of 10/28/2026

LMArena Vision, Style ControlChinese · higher is betterTest setup not documented as identical1,3551,311LMArenaAs of 10/19/2026

ProgramBenchAlmost Resolved · higher is betterTest setup not documented as identical33%16.5%Vals AIAs of 11/05/2026

Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identical13.3%3.3%Vals AIAs of 11/05/2026

Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identical40%0%Vals AIAs of 11/05/2026

Terminal-Bench-ScienceEarth Sciences · higher is betterTest setup not documented as identical25%0%Vals AIAs of 11/05/2026

Code MigrationCOBOL · higher is betterTest setup not documented as identical40%70%Vals AIAs of 10/29/2026

EMBDataroom · higher is betterTest setup not documented as identical85.4%73.9%Vals AIAs of 10/20/2026

Finance Agent (v2)All-Pass · higher is betterTest setup not documented as identical45.7%41.1%Vals AIAs of 10/29/2026

Legal Research BenchAdministrative / Regulatory · Weighted partial credit · higher is betterTest setup not documented as identical90.2%89.1%Vals AIAs of 11/05/2026

LegalBenchInterpretation Tasks · higher is betterTest setup not documented as identical86.9%80.4%Vals AIAs of 10/13/2026

LMArena Code Arena WebDevImage to WebDev · higher is betterTest setup not documented as identical1,6231,606LMArenaAs of 10/19/2026

LMArena Text, Style ControlChinese · higher is betterTest setup not documented as identical1,5551,523LMArenaAs of 10/28/2026

LMArena Vision, Style ControlCreative writing with images · higher is betterTest setup not documented as identical1,3191,254LMArenaAs of 10/19/2026

ProgramBenchFully Resolved · higher is betterTest setup not documented as identical2%0.5%Vals AIAs of 11/05/2026

Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identical68.4%52.8%Vals AIAs of 11/05/2026

Terminal-Bench 4.0Media · higher is betterTest setup not documented as identical50%8.3%Vals AIAs of 11/05/2026

Terminal-Bench-ScienceEngineering Sciences · higher is betterTest setup not documented as identical0%0%Vals AIAs of 11/05/2026

Code MigrationCode Quality · higher is betterTest setup not documented as identical4.442 / 54.411 / 5Vals AIAs of 10/29/2026

EMBDCF · higher is betterTest setup not documented as identical68.9%51%Vals AIAs of 10/20/2026

Finance Agent (v2)Comparables · higher is betterTest setup not documented as identical44%46.1%Vals AIAs of 10/29/2026

Legal Research BenchBusiness & Commercial · All-pass · higher is betterTest setup not documented as identical51.2%39.5%Vals AIAs of 11/05/2026

LegalBenchIssue Tasks · higher is betterTest setup not documented as identical92.1%88.8%Vals AIAs of 10/13/2026

LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identical1,6301,629LMArenaAs of 10/28/2026

LMArena Text, Style ControlCoding · higher is betterTest setup not documented as identical1,5501,523LMArenaAs of 10/28/2026

LMArena Vision, Style ControlDiagram understanding · higher is betterTest setup not documented as identical1,3531,293LMArenaAs of 10/19/2026

ProgramBenchRaw Pass Rate · higher is betterTest setup not documented as identical76.8%72%Vals AIAs of 11/05/2026

Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identical53.2%39%Vals AIAs of 11/05/2026

Terminal-Bench 4.0ML · higher is betterTest setup not documented as identical42.4%24.2%Vals AIAs of 11/05/2026

Terminal-Bench-ScienceLife Sciences · higher is betterTest setup not documented as identical10.5%0%Vals AIAs of 11/05/2026

EMBLBO · higher is betterTest setup not documented as identical65.9%54.2%Vals AIAs of 10/20/2026

Finance Agent (v2)Disclosure Analysis · higher is betterTest setup not documented as identical68.8%61.3%Vals AIAs of 10/29/2026

Legal Research BenchBusiness & Commercial · Weighted partial credit · higher is betterTest setup not documented as identical91.4%86.7%Vals AIAs of 11/05/2026

LegalBenchRhetoric Tasks · higher is betterTest setup not documented as identical83.8%80.1%Vals AIAs of 10/13/2026

LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identical1,6241,619LMArenaAs of 10/28/2026

LMArena Text, Style ControlCreative writing · higher is betterTest setup not documented as identical1,5011,441LMArenaAs of 10/28/2026

LMArena Vision, Style ControlEnglish · higher is betterTest setup not documented as identical1,3031,268LMArenaAs of 10/19/2026

Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identical71%71.9%Vals AIAs of 11/05/2026

Terminal-Bench 4.0Operations · higher is betterTest setup not documented as identical25.9%18.5%Vals AIAs of 11/05/2026

Terminal-Bench-ScienceMathematical Sciences · higher is betterTest setup not documented as identical11.8%0%Vals AIAs of 11/05/2026

EMBM&A · higher is betterTest setup not documented as identical80.6%57.8%Vals AIAs of 10/20/2026

More comparisons

Compare Claude Fable 5 and DeepSeek-V4.1-Flash with the models people compare them with most often.

Claude Fable 5vs.DeepSeek-V4.1-Flash

Choose Claude Fable 5 for

Choose DeepSeek-V4.1-Flash for

Where is the difference?

Strengths at a glance

Which model for which task?

See for yourself: same task, one attempt

Pelican on a bicycle

SVG short test

Claude Fable 5

DeepSeek-V4.1-Flash

Claude Fable 5 and DeepSeek-V4.1-Flash in the overall index

Overall index (Gradually Meta-Score v4)

Popularity compared

Over time

All data side by side

Is there a better choice?

Shared benchmarks

More comparisons

Compare another matchup

Predecessor and successor

The most popular comparisons