AnthropicDeepSeekLLM matchup
Claude Opus 4.6vs.DeepSeek-V4.1-Flash
Which one is better?
DeepSeek-V4.1-Flash performs better than Claude Opus 4.6 and is cheaper: Claude Opus 4.6 costs 33.3 times (input) and 41.7 times (output) as much.
81.9
Claude Opus 4.6
Rank 52
99.7
DeepSeek-V4.1-Flash
Rank 29
52
Claude Opus 4.6
176
DeepSeek-V4.1-Flash
$10
Claude Opus 4.6
$0.26
DeepSeek-V4.1-Flash
37
Claude Opus 4.6
Rank 337 of 875
38
DeepSeek-V4.1-Flash
Rank 298 of 875
Choose Claude Opus 4.6 for
No clear advantage
Choose DeepSeek-V4.1-Flash for
ProductivityGeneralAgentsEducationMultimodalFinanceCodingHealth (not certain)
Where is the difference?
Strengths at a glance
Opus 4.6DeepSeek-V4.1-Flash
The median of all ranked models is below 100 in every area, so it sits in the centre of the net.
CodingDeepSeek-V4.1-Flash ahead
Opus 4.684.0no rank
DeepSeek-V4.1-Flash98.8Rank 30
Median of ranked models83.7
95 % range: Opus 4.6 77.6 to 90.4, DeepSeek-V4.1-Flash 91.4 to 106.3.
AreaOpus 4.6DeepSeek-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, Mathematics, Knowledge, Legal.
DeepSeek-V4.1-Flash is ahead in 5 of 9 areas, Opus 4.6 in none.
too little data: 3DeepSeek-V4.1-Flash slightly ahead: 1DeepSeek-V4.1-Flash ahead: 5
Areas in the overall index
GeneralDeepSeek-V4.1-Flash +2473.1 to 97.1
AgentsDeepSeek-V4.1-Flash +2284.8 to 106.4
MultimodalDeepSeek-V4.1-Flash +1877.8 to 95.7
CodingDeepSeek-V4.1-Flash +1584.0 to 98.8
Reasoningonly Opus 4.6 has a score
Mathematicsonly DeepSeek-V4.1-Flash has a score
Specialist fields
FinanceDeepSeek-V4.1-Flash +1687.4 to 103.7
Healthleaning DeepSeek-V4.1-Flashnot certain · 2 tests each
Legaltoo little data87.6 to 100.8
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 3 more areas that do not count toward the overall index
ProductivityDeepSeek-V4.1-Flash +2871.2 to 99.7
EducationDeepSeek-V4.1-Flash +1978.9 to 97.9
Cybersecurityonly 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 codeDeepSeek-V4.1-FlashCoding 84.0 to 98.8
Maths and data analysisopenMathematics without a score for Opus 4.6, Reasoning without a score for DeepSeek-V4.1-Flash
Agents and workflowsDeepSeek-V4.1-FlashAgents 84.8 to 106.4
Fast chat repliesDeepSeek-V4.1-Flash52 to 176 tokens per second
Security analysisopenCybersecurity without a score for Opus 4.6
Many requests on a small budgetDeepSeek-V4.1-Flash$10 to $0.26 per 1M tokens
Finance, legal and medical textsDeepSeek-V4.1-FlashFinance 87.4 to 103.7, Legal 87.6 to 100.8 (too little data), Health 89.6 to 95.5
Images, screenshots and PDFsDeepSeek-V4.1-FlashMultimodal 77.8 to 95.7
See for yourself: same task, one attempt
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 Opus 4.6
Oct 14, 2026 · $0.0196
Test details
- Test run
- Oct 14, 2026
- Provider
- anthropic
- API model
- anthropic/claude-opus-4.6
- Output
- 766 tokens
- Reasoning
- API reports 0 reasoning tokens
- Cost of the attempt
- $0.0196
- Test round
- 43b8c5c46830
DeepSeek-V4.1-Flash
Oct 14, 2026 · $0.0001
Test details
- Test run
- Oct 14, 2026
- Provider
- decart/fp4
- API model
- deepseek/deepseek-v4.1-flash
- Output
- 590 tokens
- Reasoning
- API reports 0 reasoning tokens
- Cost of the attempt
- $0.0001
- Test round
- 43b8c5c46830
Earlier tests
Claude Opus 4.6
Oct 1, 2026 · 85 s · $0.16
Test details
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- anthropic/claude-opus-4.6
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 6,460 tokens
- Cost of the attempt
- $0.1616
- Response time
- 85.1 s
- API model reported in response
- anthropic/claude-opus-4.6
- Pinned endpoint
- Anthropic | anthropic/claude-4.6-opus-20260205
- 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
Claude Opus 4.6 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
DeepSeek-V4.1-Flashmax99.7
Claude Opus 4.6max81.9
Claude Opus 5.5, Anthropic: 126.1 · Rank 1 · reasoning effort max
Gemini 4 Carbon, Google DeepMind: 125.7 · Rank 2 · reasoning effort high
Claude Fable 5.1, Anthropic: 123.8 · Rank 3 · reasoning effort max
Claude Sonnet 5.5, Anthropic: 122.8 · Rank 4 · reasoning effort max
Gemini 4 Argon, Google DeepMind: 122.3 · Rank 5 · reasoning effort high
GPT-6 Astra, OpenAI: 121.3 · Rank 6 · reasoning effort max
GPT-6.1 Sol, OpenAI: 119.2 · Rank 7 · reasoning effort max
Muse Wonder Full, Meta: 118.3 · Rank 8 · reasoning effort max
Claude Opus 5, Anthropic: 117.2 · Rank 9 · reasoning effort max
Muse Wonder, Meta: 113.4 · Rank 10 · reasoning effort max
Kimi K3.1 Pro, Moonshot AI: 112.9 · Rank 11 · reasoning effort max
Claude Fable 5, Anthropic: 112.5 · Rank 12 · reasoning effort max
GPT-6 Sol, OpenAI: 110.6 · Rank 13 · reasoning effort max
GPT-5.6 Sol, OpenAI: 108.7 · Rank 14 · reasoning effort max
Muse Spark 1.3, Meta: 107.4 · Rank 15 · reasoning effort max
Gemini 3.7 Flash, Google: 107.1 · Rank 16 · reasoning effort high
DeepSeek V4.1 Flash 1017, DeepSeek: 106.6 · Rank 17 · reasoning effort max
Gemini 3.8 Flash, Google: 106.5 · Rank 18 · reasoning effort high
DeepSeek-V4.1-Flash, DeepSeek: 99.7 · Rank 29 · reasoning effort max
Claude Opus 4.6, Anthropic: 81.9 · Rank 52 · reasoning effort max
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
DeepSeek-V4.1-Flash
Claude Opus 4.6
Popularity compared
How often the models are searched for, used and mentioned, on a scale from 0 to 100.
DeepSeek-V4.1-Flash is more popular than Claude Opus 4.6: 38 to 37 out of 100.
Over time
Weekly values from October 18, 2026 to November 5, 2026
Claude Opus 4.6DeepSeek-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 Opus 4.6 | DeepSeek-V4.1-Flash |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 81.9 | 99.7 |
| Rank | Rank 52 of 91 | Rank 29 of 91 |
| Price per 1M tokens | ||
| Inputwhat you send | $5 | $0.15 |
| Outputwhat the model writes | $25 | $0.60 |
| Cost per task (own tests)average of 2 tests both passed | $0.18 | $0.008 |
| Speed | ||
| Tokens per second | 52 | 176 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 37Rank 337 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 | May 2025 | n/a |
| Released | February 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 Opus 4.6Claude Opus 4.7
Overall index 93.5, rank 39. $5 input and $25 output per 1M tokens.
DeepSeek-V4.1-Flash vs. Claude Opus 4.7Successor 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.
Opus 4.6 vs. DeepSeek V4.1 Flash 1017Cheaper than DeepSeek-V4.1-FlashClaude Haiku 5.5
Overall index 103.4, rank 20. $0.10 input and $0.50 output per 1M tokens.
DeepSeek-V4.1-Flash vs. Claude Haiku 5.5Shared 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 Opus 4.6B: DeepSeek-V4.1-Flash
LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,537DeepSeek-V4.1-Flash: 1,619LMArenaAs of 10/28/2026
LMArena Text, Style ControlOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,496DeepSeek-V4.1-Flash: 1,476LMArenaAs of 10/28/2026
LMArena Vision, Style ControlOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,294DeepSeek-V4.1-Flash: 1,261LMArenaAs of 10/19/2026
MedCodeOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 48.2%DeepSeek-V4.1-Flash: 41.2%Vals AIAs of 10/29/2026
MedScribeOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 86.7%DeepSeek-V4.1-Flash: 85.5%Vals AIAs of 10/29/2026
MMMU-ProOverall · higher is betterClaude Opus 4.6: 75.4%DeepSeek-V4.1-Flash: 77.0%Artificial AnalysisAs of 11/06/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 57.6%DeepSeek-V4.1-Flash: 84.7%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,546DeepSeek-V4.1-Flash: 1,619LMArenaAs of 10/28/2026
LMArena Text, Style ControlOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,503DeepSeek-V4.1-Flash: 1,476LMArenaAs of 10/28/2026
LMArena Vision, Style ControlOverall · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,299DeepSeek-V4.1-Flash: 1,261LMArenaAs of 10/19/2026
Show 54 more benchmarks
LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,546DeepSeek-V4.1-Flash: 1,613LMArenaAs of 10/28/2026
LMArena Text, Style ControlBusiness, management and finance · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,499DeepSeek-V4.1-Flash: 1,478LMArenaAs of 10/28/2026
LMArena Vision, Style ControlChinese · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,348DeepSeek-V4.1-Flash: 1,311LMArenaAs of 10/19/2026
LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,559DeepSeek-V4.1-Flash: 1,613LMArenaAs of 10/28/2026
LMArena Text, Style ControlBusiness, management and finance · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,500DeepSeek-V4.1-Flash: 1,478LMArenaAs of 10/28/2026
LMArena Vision, Style ControlChinese · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,352DeepSeek-V4.1-Flash: 1,311LMArenaAs of 10/19/2026
LMArena Code Arena WebDevImage to WebDev · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,538DeepSeek-V4.1-Flash: 1,606LMArenaAs of 10/19/2026
LMArena Text, Style ControlChinese · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,544DeepSeek-V4.1-Flash: 1,523LMArenaAs of 10/28/2026
LMArena Vision, Style ControlCreative writing with images · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,298DeepSeek-V4.1-Flash: 1,254LMArenaAs of 10/19/2026
LMArena Code Arena WebDevImage to WebDev · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,543DeepSeek-V4.1-Flash: 1,606LMArenaAs of 10/19/2026
LMArena Text, Style ControlChinese · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,550DeepSeek-V4.1-Flash: 1,523LMArenaAs of 10/28/2026
LMArena Vision, Style ControlCreative writing with images · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,309DeepSeek-V4.1-Flash: 1,254LMArenaAs of 10/19/2026
LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,528DeepSeek-V4.1-Flash: 1,629LMArenaAs of 10/28/2026
LMArena Text, Style ControlCoding · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,546DeepSeek-V4.1-Flash: 1,523LMArenaAs of 10/28/2026
LMArena Vision, Style ControlDiagram understanding · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,331DeepSeek-V4.1-Flash: 1,293LMArenaAs of 10/19/2026
LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,539DeepSeek-V4.1-Flash: 1,629LMArenaAs of 10/28/2026
LMArena Text, Style ControlCoding · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,548DeepSeek-V4.1-Flash: 1,523LMArenaAs of 10/28/2026
LMArena Vision, Style ControlDiagram understanding · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,324DeepSeek-V4.1-Flash: 1,293LMArenaAs of 10/19/2026
LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,537DeepSeek-V4.1-Flash: 1,619LMArenaAs of 10/28/2026
LMArena Text, Style ControlCreative writing · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,477DeepSeek-V4.1-Flash: 1,441LMArenaAs of 10/28/2026
LMArena Vision, Style ControlEnglish · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,295DeepSeek-V4.1-Flash: 1,268LMArenaAs of 10/19/2026
LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,546DeepSeek-V4.1-Flash: 1,619LMArenaAs of 10/28/2026
LMArena Text, Style ControlCreative writing · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,499DeepSeek-V4.1-Flash: 1,441LMArenaAs of 10/28/2026
LMArena Vision, Style ControlEnglish · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,301DeepSeek-V4.1-Flash: 1,268LMArenaAs of 10/19/2026
LMArena Text, Style ControlEnglish · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,506DeepSeek-V4.1-Flash: 1,488LMArenaAs of 10/28/2026
LMArena Vision, Style ControlHomework · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,312DeepSeek-V4.1-Flash: 1,307LMArenaAs of 10/19/2026
LMArena Text, Style ControlEnglish · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,513DeepSeek-V4.1-Flash: 1,488LMArenaAs of 10/28/2026
LMArena Vision, Style ControlHomework · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,325DeepSeek-V4.1-Flash: 1,307LMArenaAs of 10/19/2026
LMArena Text, Style ControlEntertainment, sports and media · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,476DeepSeek-V4.1-Flash: 1,450LMArenaAs of 10/28/2026
LMArena Vision, Style ControlHumor · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,295DeepSeek-V4.1-Flash: 1,243LMArenaAs of 10/19/2026
LMArena Text, Style ControlEntertainment, sports and media · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,491DeepSeek-V4.1-Flash: 1,450LMArenaAs of 10/28/2026
LMArena Vision, Style ControlHumor · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,297DeepSeek-V4.1-Flash: 1,243LMArenaAs of 10/19/2026
LMArena Text, Style ControlExcluding ties · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,515DeepSeek-V4.1-Flash: 1,486LMArenaAs of 10/28/2026
LMArena Vision, Style ControlOptical character recognition · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,312DeepSeek-V4.1-Flash: 1,272LMArenaAs of 10/19/2026
LMArena Text, Style ControlExcluding ties · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,522DeepSeek-V4.1-Flash: 1,486LMArenaAs of 10/28/2026
LMArena Vision, Style ControlOptical character recognition · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,314DeepSeek-V4.1-Flash: 1,272LMArenaAs of 10/19/2026
LMArena Text, Style ControlExpert prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,533DeepSeek-V4.1-Flash: 1,516LMArenaAs of 10/28/2026
LMArena Text, Style ControlExpert prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,544DeepSeek-V4.1-Flash: 1,516LMArenaAs of 10/28/2026
LMArena Text, Style ControlFrench prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,495DeepSeek-V4.1-Flash: 1,482LMArenaAs of 10/28/2026
LMArena Text, Style ControlFrench prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,509DeepSeek-V4.1-Flash: 1,482LMArenaAs of 10/28/2026
LMArena Text, Style ControlGerman prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,494DeepSeek-V4.1-Flash: 1,489LMArenaAs of 10/28/2026
LMArena Text, Style ControlGerman prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,507DeepSeek-V4.1-Flash: 1,489LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,526DeepSeek-V4.1-Flash: 1,499LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,531DeepSeek-V4.1-Flash: 1,499LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts, English · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,529DeepSeek-V4.1-Flash: 1,504LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts, English · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,535DeepSeek-V4.1-Flash: 1,504LMArenaAs of 10/28/2026
LMArena Text, Style ControlInstruction following · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,498DeepSeek-V4.1-Flash: 1,477LMArenaAs of 10/28/2026
LMArena Text, Style ControlInstruction following · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,511DeepSeek-V4.1-Flash: 1,477LMArenaAs of 10/28/2026
LMArena Text, Style ControlJapanese prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,480DeepSeek-V4.1-Flash: 1,452LMArenaAs of 10/28/2026
LMArena Text, Style ControlJapanese prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,498DeepSeek-V4.1-Flash: 1,452LMArenaAs of 10/28/2026
LMArena Text, Style ControlKorean prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,463DeepSeek-V4.1-Flash: 1,444LMArenaAs of 10/28/2026
LMArena Text, Style ControlKorean prompts · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,447DeepSeek-V4.1-Flash: 1,444LMArenaAs of 10/28/2026
LMArena Text, Style ControlLegal and government · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,507DeepSeek-V4.1-Flash: 1,459LMArenaAs of 10/28/2026
LMArena Text, Style ControlLegal and government · higher is betterTest setup not documented as identicalClaude Opus 4.6: 1,509DeepSeek-V4.1-Flash: 1,459LMArenaAs of 10/28/2026
More comparisons
Compare Claude Opus 4.6 and DeepSeek-V4.1-Flash with the models people compare them with most often.
Compare another matchup
Predecessor and successor
- PredecessorClaude Opus 4.6 vs. Claude Opus 4.5Predecessor of Claude Opus 4.6
- SuccessorClaude Opus 4.6 vs. Claude Opus 4.7Successor of Claude Opus 4.6
- PredecessorDeepSeek-V4.1-Flash vs. DeepSeek-V4-FlashPredecessor of DeepSeek-V4.1-Flash
- SuccessorDeepSeek-V4.1-Flash vs. DeepSeek V4.1 Flash 1017Successor of DeepSeek-V4.1-Flash
The most popular comparisons
- 1Claude Opus 5.5 vs. DeepSeek-V4.1-Flash
- 2Gemini 3.8 Flash vs. DeepSeek-V4.1-Flash
- 3Claude Opus 4.6 vs. Gemini 3.8 Flash
- 4GPT-6 Luna vs. DeepSeek-V4.1-Flash
- 5Muse Spark 1.3 vs. DeepSeek-V4.1-Flash
- 6Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
- 7Claude Sonnet 5.5 vs. DeepSeek-V4.1-Flash
- 8GPT-6 Sol vs. DeepSeek-V4.1-Flash
- 9GPT-6 Astra vs. DeepSeek-V4.1-Flash
Show all 61 comparisons
- 10Claude Sonnet 5 vs. DeepSeek-V4.1-Flash
- 11Grok 4.7 vs. DeepSeek-V4.1-Flash
- 12Claude Opus 5 vs. DeepSeek-V4.1-Flash
- 13GPT-5.6 Terra vs. DeepSeek-V4.1-Flash
- 14DeepSeek-V4.1-Flash vs. GLM-5.3-Flash
- 15Claude Sonnet 4.6 vs. DeepSeek-V4.1-Flash
- 16Claude Opus 5.5 vs. Claude Opus 4.6
- 17DeepSeek-V4.1-Flash vs. Qwen 3.8 Max 0902
- 18GPT-6.1 Sol vs. DeepSeek-V4.1-Flash
- 19DeepSeek-V4-Pro vs. DeepSeek-V4.1-Flash
- 20DeepSeek-V4.1-Flash vs. Mistral Large 4
- 21Claude Sonnet 5.5 vs. Claude Opus 4.6
- 22Claude Opus 4.6 vs. GPT-6 Luna
- 23Claude Opus 4.6 vs. GLM-5.3-Flash
- 24DeepSeek-V4.1-Flash vs. MiMo-V2.5-Pro
- 25Gemini 3.5 Flash-Lite vs. DeepSeek-V4.1-Flash
- 26Claude Haiku 4.5 vs. DeepSeek-V4.1-Flash
- 27Gemini 3.1 Pro Preview vs. DeepSeek-V4.1-Flash
- 28Claude Opus 4.6 vs. GPT-6 Astra
- 29DeepSeek-V4.1-Flash vs. GLM-5.2
- 30Gemini 3.6 Flash vs. DeepSeek-V4.1-Flash
- 31DeepSeek-V4.1-Flash vs. GLM-5.3
- 32GPT-5.6 Sol vs. DeepSeek-V4.1-Flash
- 33Claude Opus 4.6 vs. GPT-6.1 Sol
- 34Claude Opus 4.8 vs. DeepSeek-V4.1-Flash
- 35DeepSeek-V4.1-Flash vs. Kimi K3
- 36Claude Haiku 5.5 vs. Claude Opus 4.6
- 37Grok 4.6 vs. DeepSeek-V4.1-Flash
- 38Claude Fable 5 vs. DeepSeek-V4.1-Flash
- 39Claude Opus 4.6 vs. GPT-6 Sol
- 40GPT-5.6 Luna vs. DeepSeek-V4.1-Flash
- 41Claude Opus 4.6 vs. Qwen 3.8 27B
- 42Claude Opus 4.6 vs. Claude Sonnet 4.6
- 43Claude Opus 4.7 vs. DeepSeek-V4.1-Flash
- 44Claude Sonnet 4.5 vs. DeepSeek-V4.1-Flash
- 45Claude Opus 4.6 vs. DeepSeek-V4-Flash
- 46Claude Opus 4.5 vs. DeepSeek-V4.1-Flash
- 47Claude Fable 5.1 vs. DeepSeek-V4.1-Flash
- 48DeepSeek-V4.1-Flash vs. Mistral Medium 3.5
- 49DeepSeek-V4.1-Flash vs. MiMo-V2.5
- 50Claude Opus 4.6 vs. GLM-5.3
- 51DeepSeek-V4.1-Flash vs. GLM-5.1
- 52Claude Fable 5.1 vs. Claude Opus 4.6
- 53Claude Opus 4.6 vs. Muse Spark 1.3
- 54Claude Opus 4.6 vs. Mistral Large 4
- 55Claude Opus 4.6 vs. GPT-5.6 Luna
- 56Claude Opus 4.8 vs. Claude Opus 4.6
- 57DeepSeek-V4.1-Flash vs. Mistral Large 3
- 58Claude Opus 4.6 vs. Gemini 3.6 Flash
- 59GPT-5.5 vs. DeepSeek-V4.1-Flash
- 60Claude Opus 4.6 vs. Muse Wonder Full
- 61Muse Wonder Full vs. DeepSeek-V4.1-Flash