llmrun

DeepSeek V4.1 Flash vs GLM 5.3

DeepSeek V4.1 Flash and GLM 5.3 match in llmrun Score, with values of 129.1 versus 130.2; neither fits 24 GB.

763.2B · 188B active · 1M context · MIT · Sep 2026

VisionFunctions

753.3B · 41.8B active · 1M context · Other · Aug 2026

ChatFunctions

Which should you choose?

Choose DeepSeek V4.1 Flash if you want…

  • Also does vision

    GLM 5.3 doesn't list it

  • More permissive license

    MIT vs Other

Choose GLM 5.3 if you want…

  • Stronger at coding

    130.5 vs 119.0

  • Stronger at science

    130.8 vs 122.9

  • Also does chat

    DeepSeek V4.1 Flash doesn't list it

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

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

12 GB

RTX 3060 12GB · 12 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

16 GB

RTX 5060 Ti 16GB · 16 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

24 GBreference

RTX 4090 · 24 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

32 GB

RTX 5090 · 32 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

48 GB

RTX A6000 · 48 GB tier

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

Mac 32 GB

Mac Mini M4 · Macs

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

Mac 64 GB

Mac Studio M4 Max · Macs

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 GB

Mac 128 GB

Mac Studio M4 Max · Macs

DeepSeek V4.1 Flash

Doesn't fit

smallest quant needs 210.4 GB

GLM 5.3

Doesn't fit

smallest quant needs 256 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

129.1127–131

GLM 5.3

130.2128–132

Coding

DeepSeek V4.1 Flash

119.0113–125

GLM 5.3

130.5124–137

Agents

DeepSeek V4.1 Flash

no data

GLM 5.3

137.7133–142

Math

DeepSeek V4.1 Flash

129.0127–132

GLM 5.3

128.6126–131

Science

DeepSeek V4.1 Flash

122.9111–135

GLM 5.3

130.8119–143

Reasoning

DeepSeek V4.1 Flash

133.0129–137

GLM 5.3

125.6119–132

DeepSeek V4.1 Flash · #6 of 107 open models · #4 of 103 that fit ≤512 GB

GLM 5.3 · #4 of 107 open models · #3 of 103 that fit ≤512 GB

Benchmarks

17 shared boards: DeepSeek V4.1 Flash leads 9, GLM 5.3 leads 8 · Benchmarks imported Oct 2026

DeepSeek V4.1 Flash

89.8%#11/98 open

IndependentEpoch AI · Sep 2026

GLM 5.3

90.9%#7/98 open

IndependentEpoch AI · Aug 2026

DeepSeek V4.1 Flash

80.0#2/19 open

IndependentLiveBench · Jun 2026

GLM 5.3

79.0#4/19 open

IndependentLiveBench · Jun 2026

DeepSeek V4.1 Flash

86.7#3/19 open

IndependentLiveBench · Jun 2026

GLM 5.3

85.8#7/19 open

IndependentLiveBench · Jun 2026

DeepSeek V4.1 Flash

98.3%#2/86 open

IndependentEpoch AI · Sep 2026

GLM 5.3

91.1%#13/86 open

IndependentEpoch AI · Aug 2026

DeepSeek V4.1 Flash

67.4%#4/17 open

IndependentEpoch AI · Sep 2026

GLM 5.3

68.8%#3/17 open

IndependentEpoch AI · Aug 2026

DeepSeek V4.1 Flash

93.3#2/19 open

IndependentLiveBench · Jun 2026

GLM 5.3

87.9#8/19 open

IndependentLiveBench · Jun 2026

DeepSeek V4.1 Flash

51.8%#5/66 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

59.0%#3/66 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

42.9%#5/17 open

IndependentEpoch AI · Sep 2026

GLM 5.3

41.0%#6/17 open

IndependentEpoch AI · Aug 2026

DeepSeek V4.1 Flash

26.8%#5/13 open

IndependentEpoch AI · Sep 2026

GLM 5.3

29.3%#4/13 open

IndependentEpoch AI · Aug 2026

DeepSeek V4.1 Flash

43.9%#2/12 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

40.1%#3/12 open

Lab-reportedEpoch AI · Aug 2026

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

DeepSeek V4.1 Flash

1092.3#8/43 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

1317.4#3/43 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

39.5%#9/16 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

56.6%#2/16 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

14.3%#8/66 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

19.1%#4/66 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

89.9%#8/68 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

87.7%#11/68 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

47.0%#3/54 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

55.5%#1/54 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

43.0%#1/18 open

IndependentEpoch AI · Sep 2026

GLM 5.3

33.0%#4/18 open

IndependentEpoch AI · Aug 2026

DeepSeek V4.1 Flash

54.0%#6/26 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3

49.0%#8/26 open

Lab-reportedEpoch AI · Aug 2026

DeepSeek V4.1 Flash

1474.6#5/187 open

ArenaLMArena · Oct 2026

GLM 5.3

1478.5#3/187 open

ArenaLMArena · Oct 2026

DeepSeek V4.1 Flash

1618.4#7/52 open

ArenaLMArena · Oct 2026

GLM 5.3

1621.1#6/52 open

ArenaLMArena · Oct 2026

Only DeepSeek V4.1 Flash (4)

Only GLM 5.3 (6)

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

GLM 5.3

324 GB~320.2 GB file

32K 323 GB · 128K 332 GB

Q3_K_M

DeepSeek V4.1 Flash

372 GB347.3 GB file

32K 373 GB · 128K 374 GB

GLM 5.3

371 GB~367.3 GB file

32K 370 GB · 128K 379 GB

Q4_K_M

DeepSeek V4.1 Flash

458 GB444.7 GB file

32K 459 GB · 128K 460 GB

GLM 5.3

456 GB~452.0 GB file

32K 455 GB · 128K 464 GB

Q5_K_M

DeepSeek V4.1 Flash

544 GB~543.8 GB file

32K 545 GB · 128K 546 GB

GLM 5.3

541 GB~536.8 GB file

32K 540 GB · 128K 549 GB

Q6_K

DeepSeek V4.1 Flash

630 GB~629.6 GB file

32K 630 GB · 128K 632 GB

GLM 5.3

626 GB~621.5 GB file

32K 625 GB · 128K 634 GB

Q8_0

DeepSeek V4.1 Flash

764 GB508.0 GB file

32K 764 GB · 128K 765 GB

GLM 5.3

758 GB801.4 GB file

32K 757 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

GLM 5.3

not listed

IQ2_M

DeepSeek V4.1 Flash

not listed

GLM 5.3

258 GB238.6 GB file

32K 257 GB · 128K 266 GB

IQ3_XXS

DeepSeek V4.1 Flash

not listed

GLM 5.3

296 GB281.7 GB file

32K 295 GB · 128K 304 GB

IQ3_XS

DeepSeek V4.1 Flash

315 GB434.0 GB file

32K 316 GB · 128K 317 GB

GLM 5.3

not listed

IQ4_XS

DeepSeek V4.1 Flash

not listed

GLM 5.3

409 GB365.3 GB file

32K 408 GB · 128K 417 GB

BF16

DeepSeek V4.1 Flash

1527 GB~1526.4 GB file

32K 1527 GB · 128K 1528 GB

GLM 5.3

1511 GB1508.0 GB file

32K 1510 GB · 128K 1519 GB

How to run each

Specifications

Specifications of DeepSeek V4.1 Flash and GLM 5.3
SpecDeepSeek V4.1 FlashGLM 5.3
PublisherDeepSeekZ.ai
Parameters763.2B753.3B
Active parameters188B per token42B per token
ArchitectureDeepseekV41ForCausalLMGlmMoeDsaForCausalLM
Context1M tokens1M tokens
ModalitiesVision, Function-callingChat, Function-calling
LicenseMITOther
ReleasedSep 2026Aug 2026

Frequently Asked Questions

Which is better, DeepSeek V4.1 Flash or GLM 5.3?

DeepSeek V4.1 Flash and GLM 5.3 match in llmrun Score, with values of 129.1 versus 130.2; neither fits 24 GB. Choose DeepSeek V4.1 Flash for also does vision and more permissive license; choose GLM 5.3 for stronger at coding and stronger at science.

Which needs less VRAM, DeepSeek V4.1 Flash or GLM 5.3?

At Q4_K_M, DeepSeek V4.1 Flash requires 458.3 GB while GLM 5.3 needs 456.2 GB, making GLM 5.3 the easier model to run on your local setup.

Can I run DeepSeek V4.1 Flash or GLM 5.3 on a 16 GB GPU?

DeepSeek V4.1 Flash does not fit (smallest quant needs 210.4 GB); GLM 5.3 does not fit (smallest quant needs 256 GB).

Which has a longer context window, DeepSeek V4.1 Flash or GLM 5.3?

DeepSeek V4.1 Flash supports 1,048,576 tokens and GLM 5.3 supports 1,048,576 tokens.

DeepSeek V4.1 Flash vs GLM 5.3 — VRAM & GPU Comparison | llmrun