AnthropicDeepSeekLLM matchup
Claude Haiku 5.5vs.DeepSeek V4.1 Flash 1017
Which one is better?
Claude Haiku 5.5 and DeepSeek V4.1 Flash 1017 perform about equally well, but DeepSeek V4.1 Flash 1017 costs 1.5 times (input) and 1.2 times (output) as much.
103.4
Claude Haiku 5.5
Rank 20
106.6
DeepSeek V4.1 Flash 1017
Rank 17
236
Claude Haiku 5.5
172
DeepSeek V4.1 Flash 1017
$0.20
Claude Haiku 5.5
$0.26
DeepSeek V4.1 Flash 1017
77
Claude Haiku 5.5
Rank 3 of 875
68
DeepSeek V4.1 Flash 1017
Rank 17 of 875
Above 100,000 tokens of context, Claude Haiku 5.5 costs more: $0.50 input and $2.50 output per 1M tokens.
Choose Claude Haiku 5.5 for
Reasoning (not certain)
Choose DeepSeek V4.1 Flash 1017 for
LegalAgents (not certain)Finance (not certain)
Where is the difference?
Strengths at a glance
Haiku 5.5DeepSeek V4.1 Flash 1017
The median of all ranked models is below 100 in every area, so it sits in the centre of the net.
Codinglevel
Haiku 5.5106.2Rank 18
DeepSeek V4.1 Flash 1017109.0Rank 16
Median of ranked models83.7
95 % range: Haiku 5.5 102.5 to 109.9, DeepSeek V4.1 Flash 1017 106.4 to 111.6.
AreaHaiku 5.5DeepSeek V4.1 Flash 1017
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: Mathematics, Knowledge, General, Multimodal, Health.
DeepSeek V4.1 Flash 1017 is ahead in 1 of 10 areas, Haiku 5.5 in none.
Haiku 5.5 slightly ahead: 1level: 1too little data: 5DeepSeek V4.1 Flash 1017 slightly ahead: 2DeepSeek V4.1 Flash 1017 ahead: 1
Areas in the overall index
Agentsleaning DeepSeek V4.1 Flash 1017not certain · 4 and 3 tests
Reasoningleaning Haiku 5.5not certain · 4 and 2 tests
Codinglevel106.2 to 109.0
Knowledgetoo little data85.5 to 101.0
Generaltoo little data106.4 to 104.0
Mathematicsonly Haiku 5.5 has a score
Multimodalonly DeepSeek V4.1 Flash 1017 has a score
Specialist fields
LegalDeepSeek V4.1 Flash 1017 +1694.4 to 110.1
Financeleaning DeepSeek V4.1 Flash 1017not certain · 5 tests each
Healthonly Haiku 5.5 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.
Show 3 more areas that do not count toward the overall index
Cybersecurityonly Haiku 5.5 has a score
Productivityonly Haiku 5.5 has a score
Educationonly Haiku 5.5 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.
Claude Haiku 5.5 vs. DeepSeek V4.1 Flash 1017 at the same effort
Both models measured at the same reasoning efforts. This shows whether a lead comes from the model or only from more compute.
hightied
Haiku 5.5 96.6 vs. DeepSeek V4.1 Flash 1017 102.6 · Gap 1.0 · Test series 9
maxtied
Haiku 5.5 103.4 vs. DeepSeek V4.1 Flash 1017 106.6 · Gap 2.6 · Test series 11
Overall index (max vs. max)DeepSeek V4.1 Flash 1017 slightly ahead
Haiku 5.5 103.4 vs. DeepSeek V4.1 Flash 1017 106.6
| Effort | Haiku 5.5 | DeepSeek V4.1 Flash 1017 | Gap | Verdict | Test series |
|---|---|---|---|---|---|
| high | 96.6 | 102.6 | 1.0 | tied | 9 |
| max | 103.4 | 106.6 | 2.6 | tied | 11 |
| Overall index (max vs. max) | 103.4 | 106.6 | 3.2 | DeepSeek V4.1 Flash 1017 slightly ahead |
Gap and verdict compare only the Artificial Analysis test series in which both models are measured at that effort. Tied below 3 points, ahead only beyond two standard errors. The single values rest on all test series of each model, so their difference can deviate from the gap.
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 codelevelCoding 106.2 to 109.0
Maths and data analysisleaning Haiku 5.5Mathematics without a score for DeepSeek V4.1 Flash 1017, Reasoning 105.2 to 102.1
Facts and researchopenKnowledge 85.5 to 101.0 (too little data)
Agents and workflowsleaning DeepSeek V4.1 Flash 1017Agents 106.1 to 109.4
Fast chat repliesHaiku 5.5236 to 172 tokens per second
Security analysisopenCybersecurity without a score for DeepSeek V4.1 Flash 1017
Many requests on a small budgetHaiku 5.5$0.20 to $0.26 per 1M tokens
Finance, legal and medical textsDeepSeek V4.1 Flash 1017Finance 104.7 to 108.0, Legal 94.4 to 110.1, Health without a score for DeepSeek V4.1 Flash 1017
Images, screenshots and PDFsopenMultimodal without a score for Haiku 5.5
See for yourself: same task, one attempt
There is no shared test round for this selection. Results from different rounds are not mixed.
Claude Haiku 5.5 and DeepSeek V4.1 Flash 1017 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
Claude Haiku 5.5max103.4
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
GPT-6.1 Terra, OpenAI: 105.2 · Rank 19 · reasoning effort max
Claude Haiku 5.5, Anthropic: 103.4 · Rank 20 · 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
GPT-6.1 Terra
Claude Haiku 5.5
Popularity compared
How often the models are searched for, used and mentioned, on a scale from 0 to 100.
Claude Haiku 5.5 is more popular than DeepSeek V4.1 Flash 1017: 77 to 68 out of 100.
Over time
Weekly values from October 18, 2026 to November 5, 2026
Claude Haiku 5.5DeepSeek V4.1 Flash 1017
All data side by side
The better value is bold. For the overall index only when the gap is clear.
| Metric | Claude Haiku 5.5 | DeepSeek V4.1 Flash 1017 |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 103.4 | 106.6 |
| Rank | Rank 20 of 91 | Rank 17 of 91 |
| Price per 1M tokens | ||
| Inputwhat you send | $0.10above 100,000 tokens: $0.50 | $0.15 |
| Outputwhat the model writes | $0.50above 100,000 tokens: $2.50 | $0.60 |
| Speed | ||
| Tokens per second | 236 | 172 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 77Rank 3 of 875 | 68Rank 17 of 875 |
| 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 | June 2026 | n/a |
| Released | Oct 7, 2026 | Oct 17, 2026 |
| Availability | Active | Open Source |
| Open weights | no | yes |
- 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
Is there a better choice?
Best model in the overall indexClaude Opus 5.5
Overall index 126.1, rank 1. $4 input and $20 output per 1M tokens.
DeepSeek V4.1 Flash 1017 vs. Claude Opus 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 Haiku 5.5B: DeepSeek V4.1 Flash 1017
AA-BriefcaseOverall · higher is betterClaude Haiku 5.5: 1,441.38 eloDeepSeek V4.1 Flash 1017: 1,415.7 eloArtificial AnalysisAs of 11/06/2026
AA-OmniscienceOverall · higher is betterClaude Haiku 5.5: 5.3 pointsDeepSeek V4.1 Flash 1017: 1.533 pointsArtificial AnalysisAs of 11/06/2026
AA-Omniscience AccuracyOverall · higher is betterClaude Haiku 5.5: 31.8%DeepSeek V4.1 Flash 1017: 38.9%Artificial AnalysisAs of 11/06/2026
AA-Omniscience Hallucination RateOverall · lower is betterClaude Haiku 5.5: 38.9%DeepSeek V4.1 Flash 1017: 61.2%Artificial AnalysisAs of 11/06/2026
AutomationBench-AAOverall · higher is betterClaude Haiku 5.5: 33.7%DeepSeek V4.1 Flash 1017: 68.5%Artificial AnalysisAs of 11/06/2026
Code MigrationOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 44.6%DeepSeek V4.1 Flash 1017: 44.2%Vals AIAs of 10/29/2026
Code Migration v1.1Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 52.4%DeepSeek V4.1 Flash 1017: 67.5%Vals AIAs of 10/30/2026
CritPt v2 (Hard Subset)Overall · higher is betterClaude Haiku 5.5: 45.0%DeepSeek V4.1 Flash 1017: 27.5%Artificial AnalysisAs of 11/06/2026
EMBOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 59%DeepSeek V4.1 Flash 1017: 61.8%Vals AIAs of 10/20/2026
EMB v1.1Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 65.5%DeepSeek V4.1 Flash 1017: 69.2%Vals AIAs of 11/05/2026
Show 54 more benchmarks
Finance Agent (v2)Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 54.1%DeepSeek V4.1 Flash 1017: 57%Vals AIAs of 10/29/2026
Finance Agent v2.1Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 65.4%DeepSeek V4.1 Flash 1017: 62.9%Vals AIAs of 11/05/2026
FrontierCodeOverall · higher is betterClaude Haiku 5.5: 23.2%DeepSeek V4.1 Flash 1017: 16.8%Artificial AnalysisAs of 11/06/2026
FrontierCode 1.1 MainOverall · higher is betterClaude Haiku 5.5: 41.8%DeepSeek V4.1 Flash 1017: 43.7%Artificial AnalysisAs of 11/06/2026
GDP.pdfOverall · higher is betterClaude Haiku 5.5: 17.2%DeepSeek V4.1 Flash 1017: 14.2%Artificial AnalysisAs of 11/06/2026
GDPval-AAOverall · higher is betterClaude Haiku 5.5: 1,630.83 eloDeepSeek V4.1 Flash 1017: 1,745.77 eloArtificial AnalysisAs of 11/06/2026
HLAB-Vals-1.1Overall · Task fully resolved · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 4.2%DeepSeek V4.1 Flash 1017: 14.2%Vals AIAs of 11/05/2026
HLE-DiamondOverall · higher is betterClaude Haiku 5.5: 23.7%DeepSeek V4.1 Flash 1017: 20.8%Artificial AnalysisAs of 11/06/2026
Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 43.8%DeepSeek V4.1 Flash 1017: 45.2%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,589DeepSeek V4.1 Flash 1017: 1,665LMArenaAs of 10/28/2026
Tax Agent BenchOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 31.9%DeepSeek V4.1 Flash 1017: 44.4%Vals AIAs of 11/05/2026
Terminal-BenchOverall · higher is betterClaude Haiku 5.5: 21.7%DeepSeek V4.1 Flash 1017: 28.8%Artificial AnalysisAs of 11/06/2026
Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 36.4%DeepSeek V4.1 Flash 1017: 31.8%Vals AIAs of 11/05/2026
Terminal-Bench-ScienceOverall · higher is betterClaude Haiku 5.5: 10.0%DeepSeek V4.1 Flash 1017: 10.5%Artificial AnalysisAs of 11/06/2026
Vals Finance IndexOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 57.4%DeepSeek V4.1 Flash 1017: 60.9%Vals AIAs of 11/05/2026
Vals IndexOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 58.7%DeepSeek V4.1 Flash 1017: 61.3%Vals AIAs of 11/05/2026
Vals Legal IndexOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 70.3%DeepSeek V4.1 Flash 1017: 71.9%Vals AIAs of 11/05/2026
Vals Router IndexFull Index · higher is betterClaude Haiku 5.5: 58.7%DeepSeek V4.1 Flash 1017: 61.3%Vals AIAs of 11/03/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 90.4%DeepSeek V4.1 Flash 1017: 87.7%Vals AIAs of 11/05/2026
AA-BriefcaseOverall · higher is betterClaude Haiku 5.5: 1,574.12 eloDeepSeek V4.1 Flash 1017: 1,570.42 eloArtificial AnalysisAs of 11/06/2026
AA-OmniscienceOverall · higher is betterClaude Haiku 5.5: 12.3 pointsDeepSeek V4.1 Flash 1017: 0.9 pointsArtificial AnalysisAs of 11/06/2026
AA-Omniscience AccuracyOverall · higher is betterClaude Haiku 5.5: 34.7%DeepSeek V4.1 Flash 1017: 39.6%Artificial AnalysisAs of 11/06/2026
AA-Omniscience Hallucination RateOverall · lower is betterClaude Haiku 5.5: 34.2%DeepSeek V4.1 Flash 1017: 64.1%Artificial AnalysisAs of 11/06/2026
AutomationBench-AAOverall · higher is betterClaude Haiku 5.5: 35.4%DeepSeek V4.1 Flash 1017: 66.6%Artificial AnalysisAs of 11/06/2026
Code MigrationCLI · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 36.1%DeepSeek V4.1 Flash 1017: 35.6%Vals AIAs of 10/29/2026
Code Migration v1.1CLI · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 42.1%DeepSeek V4.1 Flash 1017: 59.2%Vals AIAs of 10/30/2026
CritPt v2 (Hard Subset)Overall · higher is betterClaude Haiku 5.5: 43.5%DeepSeek V4.1 Flash 1017: 25.0%Artificial AnalysisAs of 11/06/2026
EMBComps · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 77.9%DeepSeek V4.1 Flash 1017: 49.8%Vals AIAs of 10/20/2026
EMB v1.1Comps · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 77.7%DeepSeek V4.1 Flash 1017: 70.8%Vals AIAs of 11/05/2026
Finance Agent (v2)Adjustments · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 49.6%DeepSeek V4.1 Flash 1017: 58.4%Vals AIAs of 10/29/2026
Finance Agent v2.1Adjustments · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 67.7%DeepSeek V4.1 Flash 1017: 66.8%Vals AIAs of 11/05/2026
FrontierCodeOverall · higher is betterClaude Haiku 5.5: 34.9%DeepSeek V4.1 Flash 1017: 28.5%Artificial AnalysisAs of 11/06/2026
GDP.pdfOverall · higher is betterClaude Haiku 5.5: 20.8%DeepSeek V4.1 Flash 1017: 17.2%Artificial AnalysisAs of 11/06/2026
HLAB-Vals-1.1Antitrust Competition · Criteria passed · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 86.2%DeepSeek V4.1 Flash 1017: 93.5%Vals AIAs of 11/05/2026
HLE-DiamondOverall · higher is betterClaude Haiku 5.5: 29.6%DeepSeek V4.1 Flash 1017: 25.3%Artificial AnalysisAs of 11/06/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 50%DeepSeek V4.1 Flash 1017: 59.1%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,568DeepSeek V4.1 Flash 1017: 1,701LMArenaAs of 10/28/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 6.7%DeepSeek V4.1 Flash 1017: 23.3%Vals AIAs of 11/05/2026
Terminal-BenchOverall · higher is betterClaude Haiku 5.5: 32.8%DeepSeek V4.1 Flash 1017: 33.8%Artificial AnalysisAs of 11/06/2026
Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 20%DeepSeek V4.1 Flash 1017: 6.7%Vals AIAs of 11/05/2026
Terminal-Bench-ScienceOverall · higher is betterClaude Haiku 5.5: 20.0%DeepSeek V4.1 Flash 1017: 12.9%Artificial AnalysisAs of 11/06/2026
Vals Finance IndexEMB v1.1 · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 65.5%DeepSeek V4.1 Flash 1017: 69.2%Vals AIAs of 11/05/2026
Vals IndexCode Migration v1.1 · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 50.2%DeepSeek V4.1 Flash 1017: 68.5%Vals AIAs of 11/05/2026
Vals Legal IndexBusiness & Commercial · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 67.1%DeepSeek V4.1 Flash 1017: 68%Vals AIAs of 11/05/2026
Vals Router IndexCode Migration · higher is betterClaude Haiku 5.5: 50.2%DeepSeek V4.1 Flash 1017: 68.5%Vals AIAs of 11/03/2026
Code MigrationCOBOL · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 70%DeepSeek V4.1 Flash 1017: 70%Vals AIAs of 10/29/2026
Code Migration v1.1COBOL · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 83%DeepSeek V4.1 Flash 1017: 92.5%Vals AIAs of 10/30/2026
EMBDataroom · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 85.5%DeepSeek V4.1 Flash 1017: 82.8%Vals AIAs of 10/20/2026
EMB v1.1Dataroom · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 85.8%DeepSeek V4.1 Flash 1017: 86.5%Vals AIAs of 11/05/2026
Finance Agent (v2)All-Pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 42.9%DeepSeek V4.1 Flash 1017: 45.2%Vals AIAs of 10/29/2026
Finance Agent v2.1All-Pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 51.8%DeepSeek V4.1 Flash 1017: 51.3%Vals AIAs of 11/05/2026
HLAB-Vals-1.1Antitrust Competition · Task fully resolved · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 0%DeepSeek V4.1 Flash 1017: 30%Vals AIAs of 11/05/2026
Legal Research BenchAdministrative / Regulatory · Weighted partial credit · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 88.7%DeepSeek V4.1 Flash 1017: 91.3%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,608DeepSeek V4.1 Flash 1017: 1,673LMArenaAs of 10/28/2026
More comparisons
Compare Claude Haiku 5.5 and DeepSeek V4.1 Flash 1017 with the models people compare them with most often.
Compare another matchup
Predecessor and successor
The most popular comparisons
- 1Claude Haiku 5.5 vs. GPT-6 Luna
- 2Claude Sonnet 5.5 vs. Claude Haiku 5.5
- 3Claude Haiku 5.5 vs. DeepSeek-V4-Flash
- 4Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
- 5DeepSeek V4.1 Flash 1017 vs. Qwen 3.8 27B
- 6Claude Opus 5.5 vs. Claude Haiku 5.5
- 7Claude Haiku 5.5 vs. GLM-5.3
- 8Claude Haiku 5.5 vs. Gemini 3.5 Flash-Lite
- 9Claude Haiku 5.5 vs. Gemini 3.8 Flash
Show all 50 comparisons
- 10Claude Haiku 5.5 vs. Claude Sonnet 4.5
- 11Claude Haiku 5.5 vs. Claude Sonnet 5
- 12Claude Haiku 5.5 vs. Claude Opus 5
- 13Claude Haiku 5.5 vs. GPT-6 Astra
- 14Claude Haiku 5.5 vs. Gemini 3.5 Flash
- 15Claude Haiku 5.5 vs. Claude Opus 4.8
- 16Claude Haiku 5.5 vs. Gemini 4 Argon
- 17Claude Haiku 5.5 vs. Grok 4.7
- 18Claude Sonnet 5.5 vs. DeepSeek V4.1 Flash 1017
- 19Claude Haiku 5.5 vs. GPT-5.6 Luna
- 20Claude Haiku 5.5 vs. Qwen 3.8 Max 0902
- 21Claude Haiku 5.5 vs. Muse Spark 1.3
- 22Gemini 4 Argon vs. DeepSeek V4.1 Flash 1017
- 23Claude Haiku 5.5 vs. Claude Sonnet 4.6
- 24Claude Haiku 5.5 vs. Gemini 3.7 Flash
- 25Claude Haiku 5.5 vs. Mistral Large 4
- 26Gemini 3.8 Flash vs. DeepSeek V4.1 Flash 1017
- 27Claude Haiku 5.5 vs. GPT-6.1 Sol
- 28Claude Opus 5.5 vs. DeepSeek V4.1 Flash 1017
- 29DeepSeek V4.1 Flash 1017 vs. GLM-5.3
- 30GPT-6 Sol vs. DeepSeek V4.1 Flash 1017
- 31Claude Haiku 5.5 vs. Gemini 3.1 Pro Preview
- 32Claude Haiku 5.5 vs. GLM-5.3-Flash
- 33DeepSeek V4.1 Flash 1017 vs. Qwen 3.8 Max 0902
- 34Claude Haiku 5.5 vs. DeepSeek-V4-Pro
- 35Claude Haiku 5.5 vs. GPT-5.6 Sol
- 36Claude Haiku 5.5 vs. Gemini 3.6 Flash
- 37GPT-6 Luna vs. DeepSeek V4.1 Flash 1017
- 38Claude Haiku 5.5 vs. Claude Opus 4.6
- 39DeepSeek-V4-Pro vs. DeepSeek V4.1 Flash 1017
- 40DeepSeek V4.1 Flash 1017 vs. GLM-5.3-Flash
- 41Claude Haiku 5.5 vs. Kimi K2.6
- 42Claude Sonnet 4.5 vs. DeepSeek V4.1 Flash 1017
- 43Muse Spark 1.3 vs. DeepSeek V4.1 Flash 1017
- 44DeepSeek V4.1 Flash 1017 vs. Mistral Large 4
- 45Claude Haiku 5.5 vs. Claude Opus 4.7
- 46Claude Haiku 5.5 vs. Mistral Large 3
- 47Claude Haiku 5.5 vs. GPT-5.5
- 48GPT-6.1 Terra vs. DeepSeek V4.1 Flash 1017
- 49GPT-6.1 Sol vs. DeepSeek V4.1 Flash 1017
- 50Claude Haiku 5.5 vs. GPT-6.1 Terra