llmrun

Magistral Small 2509 vs Qwen3.6 35B A3B

Qwen3.6 35B A3B leads llmrun Score 106.8 to 85.6; both fit 24 GB at Q4_K_M; Qwen3.6 35B A3B is 3.5× faster on RTX 4090 (~151 vs ~43 tok/s).

24.0B · 128K context · Apache 2.0 · Sep 2025

Chat

36.0B · 4.7B active · 256K context · Apache 2.0 · Apr 2026

VisionFunctions

Which should you choose?

Choose Magistral Small 2509 if you want…

  • Fits a 16 GB GPU

    Q4_K_M · 18.1 GB; Qwen3.6 35B A3B needs 10.4 GB at its smallest quant

  • Lighter on memory

    15.1 vs 22.0 GB at Q4_K_M

  • Also does chat

    Qwen3.6 35B A3B doesn't list it

Choose Qwen3.6 35B A3B if you want…

  • Higher llmrun Score

    106.8 vs 85.6

  • Stronger at science

    110.1 vs 82.8

  • Ahead on the benchmarks

    4 of 5 shared boards

  • 3.5× faster on RTX 4090

    ~151 vs ~43 tok/s

  • Longer context window

    256K vs 128K tokens

  • Also does vision, function-calling

    Magistral Small 2509 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

Magistral Small 2509

Doesn't fit

smallest quant needs 10.3 GB

Qwen3.6 35B A3B

Doesn't fit

smallest quant needs 10.4 GB

12 GB

RTX 3060 12GB · 12 GB tier

Magistral Small 2509

IQ2_M · ~27 tok/s

11.8 GB · up to 16K

Qwen3.6 35B A3B

IQ2_S · ~114 tok/s

11.7 GB · up to 32K

16 GB

RTX 5060 Ti 16GB · 16 GB tier

Magistral Small 2509

Q4_K_M · ~19 tok/stight

18.1 GB · up to 4K

Qwen3.6 35B A3B

Q2_K · ~108 tok/s

15.7 GB · up to 32Kmore headroom

24 GBreference

RTX 4090 · 24 GB tier

Magistral Small 2509

Q4_K_M · ~43 tok/s

18.1 GB · up to 32K

Qwen3.6 35B A3B

Q4_K_M · ~151 tok/s

22 GB · up to 128Kfaster

32 GB

RTX 5090 · 32 GB tier

Magistral Small 2509

Q4_K_M · ~77 tok/s

18.1 GB · up to 64K

Qwen3.6 35B A3B

Q4_K_M · ~213 tok/s

22 GB · up to 256Kfaster

48 GB

RTX A6000 · 48 GB tier

Magistral Small 2509

Q4_K_M · ~33 tok/s

18.1 GB · up to 128K

Qwen3.6 35B A3B

Q4_K_M · ~125 tok/s

22 GB · up to 256Kfaster

Mac 32 GB

Mac Mini M4 · Macs

Magistral Small 2509

Q4_K_M · ~6 tok/s

18.1 GB · up to 64K

Qwen3.6 35B A3B

Q4_K_M · ~24 tok/s

22 GB · up to 256Kfaster

Mac 64 GB

Mac Studio M4 Max · Macs

Magistral Small 2509

Q4_K_M · ~25 tok/s

18.1 GB · up to 128K

Qwen3.6 35B A3B

Q4_K_M · ~64 tok/s

22 GB · up to 256Kfaster

Mac 128 GB

Mac Studio M4 Max · Macs

Magistral Small 2509

Q4_K_M · ~25 tok/s

18.1 GB · up to 128K

Qwen3.6 35B A3B

Q4_K_M · ~64 tok/s

22 GB · up to 256Kfaster

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

Magistral Small 2509

85.681–90

Qwen3.6 35B A3B

106.8104–110

Coding

Magistral Small 2509

no data

Qwen3.6 35B A3B

105.399–112

Math

Magistral Small 2509

no data

Qwen3.6 35B A3B

109.0104–114

Science

Magistral Small 2509

82.874–91

Qwen3.6 35B A3B

110.1101–119

Reasoning

Magistral Small 2509

no data

Qwen3.6 35B A3B

103.796–112

Magistral Small 2509 · #80 of 106 open models · #22 of 36 that fit 24 GB

Qwen3.6 35B A3B · #41 of 106 open models · #3 of 36 that fit 24 GB

Benchmarks

5 shared boards: Magistral Small 2509 leads 0, Qwen3.6 35B A3B leads 4 · Benchmarks imported Nov 2026

Magistral Small 2509

47.6%#60/100 open

IndependentEpoch AI · Sep 2025

Qwen3.6 35B A3B

84.9%#23/100 open

IndependentEpoch AI · Apr 2026

Magistral Small 2509

28.1%#53/88 open

IndependentEpoch AI · Sep 2025

Qwen3.6 35B A3B

86.7%#22/88 open

IndependentEpoch AI · Apr 2026

Magistral Small 2509

35.2%#55/72 open

Lab-reportedEpoch AI · Sep 2025

Qwen3.6 35B A3B

36.6%#48/72 open

Lab-reportedEpoch AI · Apr 2026

Magistral Small 2509

0.3%#48/84 open

Lab-reportedEpoch AI · Sep 2025

Qwen3.6 35B A3B

0.3%#51/84 open

Lab-reportedEpoch AI · Apr 2026

Magistral Small 2509

61.3%#46/70 open

Lab-reportedEpoch AI · Sep 2025

Qwen3.6 35B A3B

73.9%#32/70 open

Lab-reportedEpoch AI · Apr 2026

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

Only Qwen3.6 35B A3B (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

Magistral Small 2509

10.9 GB8.9 GB file

32K 17.2 GB · 128K 37.3 GB

Qwen3.6 35B A3B

15.7 GB13.5 GB file

32K 15.9 GB · 128K 16.9 GB

Q3_K_S

Magistral Small 2509

11.2 GB10.4 GB file

32K 17.5 GB · 128K 37.6 GB

Qwen3.6 35B A3B

16.1 GB15.4 GB file

32K 16.4 GB · 128K 17.4 GB

Q3_K_M

Magistral Small 2509

12.4 GB11.5 GB file

32K 18.7 GB · 128K 38.8 GB

Qwen3.6 35B A3B

17.9 GB16.6 GB file

32K 18.2 GB · 128K 19.2 GB

Q4_0

Magistral Small 2509

12.7 GB13.5 GB file

32K 19.0 GB · 128K 39.2 GB

Qwen3.6 35B A3B

18.4 GB19.8 GB file

32K 18.6 GB · 128K 19.6 GB

Q4_K_M

Magistral Small 2509

15.1 GB14.3 GB file

32K 21.4 GB · 128K 41.6 GB

Qwen3.6 35B A3B

22.0 GB22.1 GB file

32K 22.2 GB · 128K 23.2 GB

Q5_K_M

Magistral Small 2509

17.8 GB16.8 GB file

32K 24.1 GB · 128K 44.3 GB

Qwen3.6 35B A3B

26.0 GB26.5 GB file

32K 26.3 GB · 128K 27.3 GB

Q6_K

Magistral Small 2509

20.5 GB19.3 GB file

32K 26.8 GB · 128K 47.0 GB

Qwen3.6 35B A3B

30.0 GB29.3 GB file

32K 30.3 GB · 128K 31.3 GB

Q8_0

Magistral Small 2509

24.7 GB25.1 GB file

32K 31.0 GB · 128K 51.2 GB

Qwen3.6 35B A3B

36.3 GB36.9 GB file

32K 36.6 GB · 128K 37.6 GB

20 more quants

IQ2_XXS

Magistral Small 2509

7.3 GB6.8 GB file

32K 13.6 GB · 128K 33.7 GB

Qwen3.6 35B A3B

10.3 GB10.8 GB file

32K 10.5 GB · 128K 11.5 GB

IQ2_XS

Magistral Small 2509

7.9 GB7.2 GB file

32K 14.2 GB · 128K 34.3 GB

Qwen3.6 35B A3B

11.2 GB11.7 GB file

32K 11.4 GB · 128K 12.4 GB

IQ2_S

Magistral Small 2509

8.2 GB7.5 GB file

32K 14.5 GB · 128K 34.6 GB

Qwen3.6 35B A3B

11.6 GB11.9 GB file

32K 11.9 GB · 128K 12.9 GB

IQ2_M

Magistral Small 2509

8.8 GB8.2 GB file

32K 15.1 GB · 128K 35.2 GB

Qwen3.6 35B A3B

12.5 GB11.5 GB file

32K 12.8 GB · 128K 13.8 GB

IQ3_XXS

Magistral Small 2509

10.0 GB9.4 GB file

32K 16.3 GB · 128K 36.4 GB

Qwen3.6 35B A3B

14.3 GB13.2 GB file

32K 14.6 GB · 128K 15.6 GB

Q2_K_S

Magistral Small 2509

not listed

Qwen3.6 35B A3B

14.8 GB12.2 GB file

32K 15.0 GB · 128K 16.0 GB

IQ3_XS

Magistral Small 2509

10.6 GB9.9 GB file

32K 16.9 GB · 128K 37.0 GB

Qwen3.6 35B A3B

15.2 GB17.1 GB file

32K 15.5 GB · 128K 16.5 GB

IQ3_S

Magistral Small 2509

not listed

Qwen3.6 35B A3B

15.7 GB13.7 GB file

32K 15.9 GB · 128K 16.9 GB

IQ3_M

Magistral Small 2509

11.5 GB10.7 GB file

32K 17.8 GB · 128K 37.9 GB

Qwen3.6 35B A3B

16.6 GB17.8 GB file

32K 16.8 GB · 128K 17.8 GB

Q3_K_L

Magistral Small 2509

13.0 GB12.4 GB file

32K 19.3 GB · 128K 39.5 GB

Qwen3.6 35B A3B

18.8 GB17.8 GB file

32K 19.1 GB · 128K 20.1 GB

IQ4_XS

Magistral Small 2509

13.6 GB12.8 GB file

32K 19.9 GB · 128K 40.1 GB

Qwen3.6 35B A3B

19.7 GB17.7 GB file

32K 20.0 GB · 128K 21.0 GB

IQ4_NL

Magistral Small 2509

14.2 GB13.5 GB file

32K 20.5 GB · 128K 40.7 GB

Qwen3.6 35B A3B

20.6 GB18.0 GB file

32K 20.9 GB · 128K 21.9 GB

Q4_1

Magistral Small 2509

14.2 GB14.9 GB file

32K 20.5 GB · 128K 40.7 GB

Qwen3.6 35B A3B

20.6 GB22.9 GB file

32K 20.9 GB · 128K 21.9 GB

Q4_K_S

Magistral Small 2509

14.2 GB13.5 GB file

32K 20.5 GB · 128K 40.7 GB

Qwen3.6 35B A3B

20.6 GB20.9 GB file

32K 20.9 GB · 128K 21.9 GB

Q4_K_L

Magistral Small 2509

15.4 GB14.8 GB file

32K 21.7 GB · 128K 41.9 GB

Qwen3.6 35B A3B

22.4 GB22.7 GB file

32K 22.7 GB · 128K 23.7 GB

Q5_0

Magistral Small 2509

not listed

Qwen3.6 35B A3B

22.9 GB24.1 GB file

32K 23.1 GB · 128K 24.1 GB

Q5_1

Magistral Small 2509

not listed

Qwen3.6 35B A3B

25.1 GB26.1 GB file

32K 25.4 GB · 128K 26.4 GB

Q5_K_S

Magistral Small 2509

17.2 GB16.3 GB file

32K 23.5 GB · 128K 43.7 GB

Qwen3.6 35B A3B

25.1 GB24.9 GB file

32K 25.4 GB · 128K 26.4 GB

Q5_K_L

Magistral Small 2509

18.1 GB17.2 GB file

32K 24.4 GB · 128K 44.6 GB

Qwen3.6 35B A3B

26.5 GB26.2 GB file

32K 26.7 GB · 128K 27.7 GB

BF16

Magistral Small 2509

48.7 GB47.2 GB file

32K 55.0 GB · 128K 75.2 GB

Qwen3.6 35B A3B

72.3 GB69.4 GB file

32K 72.5 GB · 128K 73.6 GB

How to run each

Specifications

Specifications of Magistral Small 2509 and Qwen3.6 35B A3B
SpecMagistral Small 2509Qwen3.6 35B A3B
PublisherMistral AIAlibaba
Parameters24.0B36.0B
Active parameters—4.7B per token
ArchitectureMistral3ForConditionalGenerationQwen3_5MoeForConditionalGeneration
Context128K tokens256K tokens
ModalitiesChatVision, Function-calling
LicenseApache 2.0Apache 2.0
ReleasedSep 2025Apr 2026

Frequently Asked Questions

Which is better, Magistral Small 2509 or Qwen3.6 35B A3B?

Qwen3.6 35B A3B leads llmrun Score 106.8 to 85.6; both fit 24 GB at Q4_K_M; Qwen3.6 35B A3B is 3.5× faster on RTX 4090 (~151 vs ~43 tok/s). Choose Magistral Small 2509 for fits a 16 GB GPU and lighter on memory; choose Qwen3.6 35B A3B for higher llmrun Score and stronger at science.

Which needs less VRAM, Magistral Small 2509 or Qwen3.6 35B A3B?

At Q4_K_M, Magistral Small 2509 requires 15.1 GB while Qwen3.6 35B A3B needs 22.0 GB, making Magistral Small 2509 the easier model to run on your local setup.

Which is faster on RTX 4090?

Estimated decode speed on RTX 4090 is about 43 tok/s for Magistral Small 2509 (Q4_K_M) and 151 tok/s for Qwen3.6 35B A3B (Q4_K_M), so Qwen3.6 35B A3B is faster. Estimates, ±20%.

Can I run Magistral Small 2509 or Qwen3.6 35B A3B on a 16 GB GPU?

Magistral Small 2509 fits at Q4_K_M; Qwen3.6 35B A3B fits at Q2_K.

Which has a longer context window, Magistral Small 2509 or Qwen3.6 35B A3B?

Magistral Small 2509 supports 131,072 tokens and Qwen3.6 35B A3B supports 262,144 tokens.