DeepSeek model product
DeepSeek-V4.1
1 is a DeepSeek Flash model for reasoning and agentic coding.
Updated Nov 11, 2026. Default version: DeepSeek-V4.1-Flash-1017
LLMBoard Score81.5DeepSeek-V4.1-Flash-1017
Coverage40%11 benchmark families
Context window1MTokens
Official input price$0.15DeepSeek API
DeepSeek-V4.1 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
DeepSeek-V4.1 Benchmark Results
Benchmark scores for DeepSeek-V4.1-Flash-1017.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkAutomationBench | Score60.50% | Rank01 | Participants31 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkNL2Repo | Score68.20% | Rank01 | Participants26 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkBabyVision | Score92.50% | Rank02 | Participants18 | Percentile94.12% | EvidenceC | Evaluated |
| BenchmarkZEROBench | Score0.51 points | Rank02 | Participants16 | Percentile93.33% | EvidenceC | Evaluated |
| BenchmarkChartography | Score83.00% | Rank06 | Participants8 | Percentile28.57% | EvidenceC | Evaluated |
| BenchmarkDeepSWE 1.1 | Score77.00% | Rank06 | Participants54 | Percentile90.57% | EvidenceC | Evaluated |
| BenchmarkHumanity's Last Exam (no tools, text-only) | Score44.00% | Rank06 | Participants14 | Percentile61.54% | EvidenceC | Evaluated |
| BenchmarkProgram Bench | Score29.10% | Rank14 | Participants20 | Percentile31.58% | EvidenceC | Evaluated |
| BenchmarkAgents' Last Exam | Score35.40% | Rank15 | Participants26 | Percentile44.00% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 4.0 | Score42.30% | Rank15 | Participants35 | Percentile58.82% | EvidenceC | Evaluated |
| BenchmarkHumanity's Last Exam | Score42.60% | Rank38 | Participants118 | Percentile68.38% | EvidenceC | Evaluated |
DeepSeek-V4.1 Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
DeepSeek-V4.1 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $0.15 input, $0.60 output per 1M
- Official provider
- DeepSeek
- Lowest third-party
- From $0.006 input, $0.50 output per 1M via OpenRouter
- Tracked offerings
- 45
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderAlibaba Token Plan (China) | Provider model IDdeepseek-v4.1-flash-1017 | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1M | Updated |
| ProviderAlibaba Token Plan | Provider model IDdeepseek-v4.1-flash-1017 | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1M | Updated |
| ProviderUmans AI Coding Plan | Provider model IDumans-deepseek-v4.1-flash-1017 | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1M | Updated |
| ProviderOpenRouter | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.006 | Output / 1M$0.50 | Context1M | Updated |
| Providerengy | Provider model IDdeepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.03 | Output / 1M$0.12 | Context1M | Updated |
| ProviderPrime Inference | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.0437 | Output / 1M$0.70 | Context1M | Updated |
| ProviderHopper | Provider model IDdeepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.09 | Output / 1M$0.85 | Context1M | Updated |
| ProviderNanoGPT | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.10 | Output / 1M$0.60 | Context1M | Updated |
| ProviderMorph | Provider model IDmorph-dsv41flash-1017 | Regionglobal | Input / 1M$0.12 | Output / 1M$0.80 | Context1M | Updated |
| ProviderDevPass (LLM Gateway) | Provider model IDdeepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.135 | Output / 1M$0.54 | Context1.1M | Updated |
| ProviderDeepSeek | Provider model IDdeepseek-flash | Regionglobal | Input / 1M$0.15 | Output / 1M$0.60 | Context1M | Updated |
| ProviderLLM Gateway | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.15 | Output / 1M$0.60 | Context1.1M | Updated |
| ProviderOllama Cloud | Provider model IDdeepseek-v4.1-flash:1017 | Regionglobal | Input / 1M$0.15 | Output / 1M$0.60 | Context1M | Updated |
| ProviderMerge Gateway | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.15 | Output / 1M$0.60 | Context1M | Updated |
| ProviderUmans AI | Provider model IDumans-deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.15 | Output / 1M$0.60 | Context1M | Updated |
| ProviderModular | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.17 | Output / 1M$1.2 | Context1M | Updated |
| ProviderDeep Infra | Provider model IDdeepseek-ai/DeepSeek-V4.1-Flash-1017 | Regionglobal | Input / 1M$0.20 | Output / 1M$0.60 | Context1M | Updated |
| ProviderEmpirioLabs AI | Provider model IDdeepseek-v4-1-flash-1017 | Regionglobal | Input / 1M$0.20 | Output / 1M$0.80 | Context1M | Updated |
| ProviderCortecs | Provider model IDdeepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.203 | Output / 1M$0.609 | Context1M | Updated |
| ProviderMunito AI | Provider model IDdeepseek-ai/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.27 | Output / 1M$1 | Context1M | Updated |
| ProviderKilo Gateway | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderVercel AI Gateway | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderBaseten | Provider model IDdeepseek-ai/DeepSeek-V4.1-Flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderVenice AI | Provider model IDdeepseek-v4-1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderOfox | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderHugging Face | Provider model IDdeepseek-ai/DeepSeek-V4.1-Flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderFireworks AI | Provider model IDaccounts/fireworks/models/deepseek-v4p1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderNEAR AI Cloud | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderNovita AI | Provider model IDdeepseek/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
| ProviderCloudflare Workers AI | Provider model ID@cf/deepseek-ai/deepseek-v4.1-flash-1017 | Regionglobal | Input / 1M$0.30 | Output / 1M$1.2 | Context1M | Updated |
DeepSeek-V4.1 Runtime Performance
Provider-specific output speed and catalog latency for DeepSeek-V4.1-Flash-1017. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
DeepSeek-V4.1 Specifications
Technical details for the model's default version.
- Version
- DeepSeek-V4.1-Flash-1017
- Released
- Oct 17, 2026
- Knowledge cutoff
- Unknown
- Parameters
- 763.2B
- Context window
- 1M
- Max output
- 393.2K
- Inputs
- image, text
- Outputs
- text
- Open weights
- Yes
- License
- MIT
DeepSeek-V4.1 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionDeepSeek-V4.1-Flash-1017 | Released | LLMBoard81.48 | Parameters763.2B | Context1M | Max output393.2K | Open weightsYes | LicenseMIT |
| VersionDeepSeek-V4.1-Flash | Released | LLMBoardN/A | Parameters763.2B | Context1M | Max output393.2K | Open weightsYes | LicenseMIT |
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What is DeepSeek-V4.1?
Key information about DeepSeek-V4.1 and its available data.
1 is a large language model from DeepSeek. It is a Flash model designed for reasoning and agentic coding.
Data as of 2026-11-10.
FAQ
Common questions about DeepSeek-V4.1.
When was DeepSeek-V4.1 released?
DeepSeek-V4.1's default version was released on Oct 17, 2026.
How much does DeepSeek-V4.1 cost?
DeepSeek-V4.1's official API price is $0.15 per million input tokens and $0.60 per million output tokens via DeepSeek. The lowest tracked third-party offer starts at $0.006 input and $0.50 output via OpenRouter.
Who created DeepSeek-V4.1?
DeepSeek-V4.1 was created by DeepSeek.
What is the context window for DeepSeek-V4.1?
The default version has a 1M token context window.
Is DeepSeek-V4.1 open weight?
Yes. The default version is marked as open weight under MIT.
How many API providers offer DeepSeek-V4.1?
45 provider offerings are linked to the default version.