llmrun

DeepSeek V4.1 Flash vs DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 leads llmrun Score 133.2 to 129.4 (ranges overlap); neither fits 24 GB.

763.2B · 16B active · 1M context · MIT · Sep 2026

VisionFunctions

763.2B · 16B active · 1M context · MIT · Oct 2026

Vision

Which should you choose?

Choose DeepSeek V4.1 Flash if you want…

  • Also does function-calling

    DeepSeek V4.1 Flash 1017 doesn't list it

Choose DeepSeek V4.1 Flash 1017 if you want…

  • Higher llmrun Score

    133.2 vs 129.4, ranges overlap

  • Ahead on the benchmarks

    8 of 10 shared boards

On your hardware

Each model at its default quant (Q4_K_M), a smaller one when it must. Estimates, ±20%.

8 GB

RTX 4060 · 8 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

12 GB

RTX 3060 12GB · 12 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

16 GB

RTX 5060 Ti 16GB · 16 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

24 GBreference

RTX 4090 · 24 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

32 GB

RTX 5090 · 32 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

48 GB

RTX A6000 · 48 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

Mac 32 GB

Mac Mini M4 · Macs

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

Mac 64 GB

Mac Studio M4 Max · Macs

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

Mac 128 GB

Mac Studio M4 Max · Macs

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

DeepSeek V4.1 Flash 1017

Doesn't fit

smallest quant needs 210.4 GB

Reference GPU: RTX 4090. Tinted cell = the better pick on that machine (fits, more headroom, or at least 10% faster).

llmrun Score

with its 90% range · bars share one scale

Overall

DeepSeek V4.1 Flash

129.4128–131

DeepSeek V4.1 Flash 1017

133.2131–136

Coding

DeepSeek V4.1 Flash

122.7118–128

DeepSeek V4.1 Flash 1017

no data

Agents

DeepSeek V4.1 Flash

125.8120–132

DeepSeek V4.1 Flash 1017

no data

Math

DeepSeek V4.1 Flash

129.0126–132

DeepSeek V4.1 Flash 1017

132.0129–135

Science

DeepSeek V4.1 Flash

122.7111–135

DeepSeek V4.1 Flash 1017

no data

Reasoning

DeepSeek V4.1 Flash

133.9130–138

DeepSeek V4.1 Flash 1017

139.8133–146

DeepSeek V4.1 Flash · #6 of 101 open models · #5 of 98 that fit ≤512 GB

DeepSeek V4.1 Flash 1017 · #1 of 101 open models · #1 of 98 that fit ≤512 GB

Benchmarks

10 shared boards: DeepSeek V4.1 Flash leads 2, DeepSeek V4.1 Flash 1017 leads 8 · Benchmarks imported Oct 2026

DeepSeek V4.1 Flash

89.8%#12/99 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

93.2%#1/99 open

IndependentEpoch AI · Oct 2026

DeepSeek V4.1 Flash

98.3%#3/87 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

99.4%#1/87 open

IndependentEpoch AI · Oct 2026

DeepSeek V4.1 Flash

67.4%#5/18 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

71.2%#2/18 open

IndependentEpoch AI · Oct 2026

DeepSeek V4.1 Flash

42.9%#5/18 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

42.5%#6/18 open

IndependentEpoch AI · Oct 2026

DeepSeek V4.1 Flash

26.8%#6/14 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

46.3%#1/14 open

IndependentEpoch AI · Oct 2026

DeepSeek V4.1 Flash

48.0%#1/15 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

46.0%#2/15 open

IndependentEpoch AI · Oct 2026

DeepSeek V4.1 Flash

90.2#2/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

96.0#1/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash

40.1#4/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

50.9#1/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash

86.7#3/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

89.1#2/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash

43.0%#2/19 open

IndependentEpoch AI · Sep 2026

DeepSeek V4.1 Flash 1017

49.0%#1/19 open

IndependentEpoch AI · Oct 2026

23 more boards (other shared and single-model boards)

DeepSeek V4.1 Flash

1618.6#8/55 open

ArenaLMArena · Oct 2026

DeepSeek V4.1 Flash 1017

1665.0#1/55 open

ArenaLMArena · Oct 2026

DeepSeek V4.1 Flash

84.0#3/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

76.0#5/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash

79.3#3/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

79.5#1/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash

79.2#2/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

83.4#1/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash

86.8#1/17 open

IndependentLiveBench · Oct 2026

DeepSeek V4.1 Flash 1017

79.5#3/17 open

IndependentLiveBench · Oct 2026

VRAM by quantization

Memory to load the model and 2K context; below it, the total at 32K and 128K context. Lighter side in bold.

Q2_K

DeepSeek V4.1 Flash

325 GB264.5 GB file

32K 325 GB · 128K 326 GB

DeepSeek V4.1 Flash 1017

325 GB264.5 GB file

32K 325 GB · 128K 326 GB

Q3_K_M

DeepSeek V4.1 Flash

372 GB347.3 GB file

32K 373 GB · 128K 374 GB

DeepSeek V4.1 Flash 1017

372 GB347.3 GB file

32K 373 GB · 128K 374 GB

Q4_K_M

DeepSeek V4.1 Flash

458 GB444.7 GB file

32K 459 GB · 128K 460 GB

DeepSeek V4.1 Flash 1017

458 GB444.7 GB file

32K 459 GB · 128K 460 GB

Q5_K_M

DeepSeek V4.1 Flash

544 GB~543.8 GB file

32K 545 GB · 128K 546 GB

DeepSeek V4.1 Flash 1017

544 GB~543.8 GB file

32K 545 GB · 128K 546 GB

Q6_K

DeepSeek V4.1 Flash

630 GB~629.6 GB file

32K 630 GB · 128K 632 GB

DeepSeek V4.1 Flash 1017

630 GB~629.6 GB file

32K 630 GB · 128K 632 GB

Q8_0

DeepSeek V4.1 Flash

764 GB508.0 GB file

32K 764 GB · 128K 765 GB

DeepSeek V4.1 Flash 1017

764 GB~763.2 GB file

32K 764 GB · 128K 765 GB

6 more quants

IQ2_XXS

DeepSeek V4.1 Flash

210 GB~209.9 GB file

32K 211 GB · 128K 212 GB

DeepSeek V4.1 Flash 1017

210 GB300.5 GB file

32K 211 GB · 128K 212 GB

IQ2_XS

DeepSeek V4.1 Flash

not listed

DeepSeek V4.1 Flash 1017

229 GB~229.0 GB file

32K 230 GB · 128K 231 GB

IQ3_XXS

DeepSeek V4.1 Flash

not listed

DeepSeek V4.1 Flash 1017

296 GB394.7 GB file

32K 296 GB · 128K 298 GB

IQ3_XS

DeepSeek V4.1 Flash

315 GB434.0 GB file

32K 316 GB · 128K 317 GB

DeepSeek V4.1 Flash 1017

not listed

IQ3_S

DeepSeek V4.1 Flash

not listed

DeepSeek V4.1 Flash 1017

325 GB423.6 GB file

32K 325 GB · 128K 326 GB

BF16

DeepSeek V4.1 Flash

1527 GB~1526.4 GB file

32K 1527 GB · 128K 1528 GB

DeepSeek V4.1 Flash 1017

1527 GB~1526.4 GB file

32K 1527 GB · 128K 1528 GB

How to run each

Specifications

Specifications of DeepSeek V4.1 Flash and DeepSeek V4.1 Flash 1017
SpecDeepSeek V4.1 FlashDeepSeek V4.1 Flash 1017
PublisherDeepSeekDeepSeek
Parameters763.2B763.2B
Active parameters16B per token16B per token
ArchitectureDeepseekV41ForCausalLMDeepseekV41ForCausalLM
Context1M tokens1M tokens
ModalitiesVision, Function-callingVision
LicenseMITMIT
ReleasedSep 2026Oct 2026

Frequently Asked Questions

Which is better, DeepSeek V4.1 Flash or DeepSeek V4.1 Flash 1017?

DeepSeek V4.1 Flash 1017 leads llmrun Score 133.2 to 129.4 (ranges overlap); neither fits 24 GB. Choose DeepSeek V4.1 Flash for also does function-calling; choose DeepSeek V4.1 Flash 1017 for higher llmrun Score and ahead on the benchmarks.

Which needs less VRAM, DeepSeek V4.1 Flash or DeepSeek V4.1 Flash 1017?

At Q4_K_M, DeepSeek V4.1 Flash requires 458.3 GB while DeepSeek V4.1 Flash 1017 needs 458.3 GB, making DeepSeek V4.1 Flash the easier model to run on your local setup.

Can I run DeepSeek V4.1 Flash or DeepSeek V4.1 Flash 1017 on a 16 GB GPU?

DeepSeek V4.1 Flash does not fit (smallest quant needs 210.4 GB); DeepSeek V4.1 Flash 1017 does not fit (smallest quant needs 210.4 GB).

Which has a longer context window, DeepSeek V4.1 Flash or DeepSeek V4.1 Flash 1017?

DeepSeek V4.1 Flash supports 1,048,576 tokens and DeepSeek V4.1 Flash 1017 supports 1,048,576 tokens.

DeepSeek V4.1 Flash vs DeepSeek V4.1 Flash 1017 — VRAM & GPU Comparison | llmrun