llmrun

Qwen3.8 27B vs Qwen3 8B

Qwen3.8 27B leads llmrun Score 121.5 to 93.8; both fit 24 GB at Q4_K_M; Qwen3 8B is 3.1× faster on RTX 4090 (~119 vs ~38 tok/s).

27.8B · 256K context · Apache 2.0 · Aug 2026

VisionFunctions

Model B · Alibaba

Qwen3 8B
93.8llmrun Score

8.2B · 40K context · Apache 2.0 · Apr 2025

ChatFunctions

Which should you choose?

Choose Qwen3.8 27B if you want…

  • Higher llmrun Score

    121.5 vs 93.8

  • Stronger at reasoning

    124.1 vs 81.1

  • Stronger at science

    112.0 vs 87.7

  • Ahead on the benchmarks

    4 of 4 shared boards

  • Longer context window

    256K vs 40K tokens

  • Also does vision

    Qwen3 8B doesn't list it

Choose Qwen3 8B if you want…

  • Fits an 8 GB GPU

    Q4_K_M · 7.6 GB; Qwen3.8 27B needs 8.8 GB at its smallest quant

  • 3.1× faster on RTX 4090

    ~119 vs ~38 tok/s

  • Lighter on memory

    5.5 vs 17.4 GB at Q4_K_M

  • Also does chat

    Qwen3.8 27B 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

Qwen3.8 27B

Doesn't fit

smallest quant needs 8.8 GB

Qwen3 8B

Q4_K_M · ~32 tok/s

7.6 GB · up to 16Kfits

12 GB

RTX 3060 12GB · 12 GB tier

Qwen3.8 27B

IQ3_XXS · ~20 tok/s

12 GB · up to 16K

Qwen3 8B

Q4_K_M · ~42 tok/s

7.6 GB · up to 40Kmore headroom

16 GB

RTX 5060 Ti 16GB · 16 GB tier

Qwen3.8 27B

Q3_K_L · ~19 tok/s

15.4 GB · up to 16K

Qwen3 8B

Q4_K_M · ~53 tok/s

7.6 GB · up to 40Kmore headroom

24 GBreference

RTX 4090 · 24 GB tier

Qwen3.8 27B

Q4_K_M · ~38 tok/s

17.9 GB · up to 64K

Qwen3 8B

Q4_K_M · ~119 tok/s

7.6 GB · up to 40Kfaster

32 GB

RTX 5090 · 32 GB tier

Qwen3.8 27B

Q4_K_M · ~67 tok/s

17.9 GB · up to 256K

Qwen3 8B

Q4_K_M · ~211 tok/s

7.6 GB · up to 40Kfaster

48 GB

RTX A6000 · 48 GB tier

Qwen3.8 27B

Q4_K_M · ~29 tok/s

17.9 GB · up to 256K

Qwen3 8B

Q4_K_M · ~90 tok/s

7.6 GB · up to 40Kfaster

Mac 32 GB

Mac Mini M4 · Macs

Qwen3.8 27B

Q4_K_M · ~5 tok/s

17.9 GB · up to 128K

Qwen3 8B

Q4_K_M · ~15 tok/s

7.6 GB · up to 40Kfaster

Mac 64 GB

Mac Studio M4 Max · Macs

Qwen3.8 27B

Q4_K_M · ~22 tok/s

17.9 GB · up to 256K

Qwen3 8B

Q4_K_M · ~69 tok/s

7.6 GB · up to 40Kfaster

Mac 128 GB

Mac Studio M4 Max · Macs

Qwen3.8 27B

Q4_K_M · ~22 tok/s

17.9 GB · up to 256K

Qwen3 8B

Q4_K_M · ~69 tok/s

7.6 GB · up to 40Kfaster

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

Qwen3.8 27B

121.5119–124

Qwen3 8B

93.891–97

Coding

Qwen3.8 27B

112.1105–119

Qwen3 8B

no data

Math

Qwen3.8 27B

117.5111–125

Qwen3 8B

no data

Science

Qwen3.8 27B

112.093–131

Qwen3 8B

87.780–95

Reasoning

Qwen3.8 27B

124.1121–127

Qwen3 8B

81.172–91

Qwen3.8 27B · #10 of 92 open models · #1 of 34 that fit 24 GB

Qwen3 8B · #62 of 92 open models · #18 of 34 that fit 24 GB

Benchmarks

4 shared boards: Qwen3.8 27B leads 4, Qwen3 8B leads 0 · Benchmarks imported Oct 2026

Qwen3.8 27B

46.6%#19/65 open

Lab-reportedEpoch AI · Aug 2026

Qwen3 8B

22.6%#60/65 open

Lab-reportedEpoch AI · Apr 2025

Qwen3.8 27B

5.4%#15/65 open

Lab-reportedEpoch AI · Aug 2026

Qwen3 8B

0.0%#63/65 open

Lab-reportedEpoch AI · Apr 2025

Qwen3.8 27B

88.0%#9/68 open

Lab-reportedEpoch AI · Aug 2026

Qwen3 8B

59.7%#50/68 open

Lab-reportedEpoch AI · Apr 2025

Qwen3.8 27B

41.4%#7/54 open

Lab-reportedEpoch AI · Aug 2026

Qwen3 8B

8.8%#49/54 open

Lab-reportedEpoch AI · Apr 2025

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

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

Qwen3.8 27B

12.6 GB10.8 GB file

32K 13.9 GB · 128K 19.3 GB

Qwen3 8B

4.1 GB3.3 GB file

32K 8.6 GB · 128K —

Q3_K_S

Qwen3.8 27B

12.9 GB12.7 GB file

32K 14.2 GB · 128K 19.6 GB

Qwen3 8B

4.2 GB3.8 GB file

32K 8.7 GB · 128K —

Q3_K_M

Qwen3.8 27B

14.3 GB13.4 GB file

32K 15.6 GB · 128K 21.0 GB

Qwen3 8B

4.6 GB4.1 GB file

32K 9.1 GB · 128K —

Q4_0

Qwen3.8 27B

14.6 GB~13.9 GB file

32K 16.0 GB · 128K 21.4 GB

Qwen3 8B

4.7 GB4.8 GB file

32K 9.2 GB · 128K —

Q4_K_M

Qwen3.8 27B

17.4 GB16.5 GB file

32K 18.8 GB · 128K 24.1 GB

Qwen3 8B

5.5 GB5.0 GB file

32K 10.1 GB · 128K —

Q5_K_M

Qwen3.8 27B

20.5 GB19.8 GB file

32K 21.9 GB · 128K 27.3 GB

Qwen3 8B

6.4 GB5.9 GB file

32K 11.0 GB · 128K —

Q6_K

Qwen3.8 27B

23.7 GB22.0 GB file

32K 25.0 GB · 128K 30.4 GB

Qwen3 8B

7.4 GB6.7 GB file

32K 11.9 GB · 128K —

Q8_0

Qwen3.8 27B

28.5 GB29.0 GB file

32K 29.9 GB · 128K 35.2 GB

Qwen3 8B

8.8 GB8.7 GB file

32K 13.3 GB · 128K —

19 more quants

IQ2_XXS

Qwen3.8 27B

8.4 GB7.3 GB file

32K 9.7 GB · 128K 15.1 GB

Qwen3 8B

2.9 GB2.6 GB file

32K 7.4 GB · 128K —

IQ2_XS

Qwen3.8 27B

9.1 GB9.1 GB file

32K 10.4 GB · 128K 15.8 GB

Qwen3 8B

3.1 GB2.7 GB file

32K 7.6 GB · 128K —

IQ2_S

Qwen3.8 27B

9.4 GB8.4 GB file

32K 10.8 GB · 128K 16.1 GB

Qwen3 8B

3.2 GB2.9 GB file

32K 7.7 GB · 128K —

IQ2_M

Qwen3.8 27B

10.1 GB10.5 GB file

32K 11.5 GB · 128K 16.8 GB

Qwen3 8B

3.4 GB3.1 GB file

32K 7.9 GB · 128K —

IQ3_XXS

Qwen3.8 27B

11.5 GB10.9 GB file

32K 12.9 GB · 128K 18.2 GB

Qwen3 8B

3.8 GB3.4 GB file

32K 8.3 GB · 128K —

Q2_K_S

Qwen3.8 27B

not listed

Qwen3 8B

3.9 GB3.1 GB file

32K 8.4 GB · 128K —

IQ3_XS

Qwen3.8 27B

12.2 GB10.4 GB file

32K 13.6 GB · 128K 18.9 GB

Qwen3 8B

4.0 GB3.6 GB file

32K 8.5 GB · 128K —

IQ3_S

Qwen3.8 27B

12.6 GB12.0 GB file

32K 13.9 GB · 128K 19.3 GB

Qwen3 8B

4.1 GB3.8 GB file

32K 8.6 GB · 128K —

IQ3_M

Qwen3.8 27B

13.3 GB14.9 GB file

32K 14.6 GB · 128K 20.0 GB

Qwen3 8B

4.3 GB3.9 GB file

32K 8.8 GB · 128K —

Q3_K_L

Qwen3.8 27B

15.0 GB14.1 GB file

32K 16.3 GB · 128K 21.7 GB

Qwen3 8B

4.8 GB4.4 GB file

32K 9.3 GB · 128K —

IQ4_XS

Qwen3.8 27B

15.7 GB14.3 GB file

32K 17.0 GB · 128K 22.4 GB

Qwen3 8B

5.0 GB4.6 GB file

32K 9.5 GB · 128K —

IQ4_NL

Qwen3.8 27B

16.4 GB17.4 GB file

32K 17.7 GB · 128K 23.1 GB

Qwen3 8B

5.2 GB4.8 GB file

32K 9.7 GB · 128K —

Q4_1

Qwen3.8 27B

16.4 GB17.5 GB file

32K 17.7 GB · 128K 23.1 GB

Qwen3 8B

5.2 GB5.2 GB file

32K 9.7 GB · 128K —

Q4_K_S

Qwen3.8 27B

16.4 GB15.4 GB file

32K 17.7 GB · 128K 23.1 GB

Qwen3 8B

5.2 GB4.8 GB file

32K 9.7 GB · 128K —

Q4_K_L

Qwen3.8 27B

17.8 GB18.8 GB file

32K 19.1 GB · 128K 24.5 GB

Qwen3 8B

5.6 GB5.5 GB file

32K 10.2 GB · 128K —

Q5_0

Qwen3.8 27B

not listed

Qwen3 8B

5.7 GB5.7 GB file

32K 10.3 GB · 128K —

Q5_K_S

Qwen3.8 27B

19.9 GB18.7 GB file

32K 21.2 GB · 128K 26.6 GB

Qwen3 8B

6.2 GB5.7 GB file

32K 10.8 GB · 128K —

Q5_K_L

Qwen3.8 27B

20.9 GB21.5 GB file

32K 22.2 GB · 128K 27.6 GB

Qwen3 8B

6.5 GB6.2 GB file

32K 11.1 GB · 128K —

BF16

Qwen3.8 27B

56.3 GB54.7 GB file

32K 57.7 GB · 128K 63.0 GB

Qwen3 8B

17.0 GB16.4 GB file

32K 21.5 GB · 128K —

How to run each

Specifications

Specifications of Qwen3.8 27B and Qwen3 8B
SpecQwen3.8 27BQwen3 8B
PublisherAlibabaAlibaba
Parameters27.8B8.2B
ArchitectureQwen3_5ForConditionalGenerationQwen3ForCausalLM
Context256K tokens40K tokens
ModalitiesVision, Function-callingChat, Function-calling
LicenseApache 2.0Apache 2.0
ReleasedAug 2026Apr 2025

Frequently Asked Questions

Which is better, Qwen3.8 27B or Qwen3 8B?

Qwen3.8 27B leads llmrun Score 121.5 to 93.8; both fit 24 GB at Q4_K_M; Qwen3 8B is 3.1× faster on RTX 4090 (~119 vs ~38 tok/s). Choose Qwen3.8 27B for higher llmrun Score and stronger at reasoning; choose Qwen3 8B for fits an 8 GB GPU and 3.1× faster on RTX 4090.

Which needs less VRAM, Qwen3.8 27B or Qwen3 8B?

At Q4_K_M, Qwen3.8 27B requires 17.4 GB while Qwen3 8B needs 5.5 GB, making Qwen3 8B the easier model to run on your local setup.

Which is faster on RTX 4090?

Estimated decode speed on RTX 4090 is about 38 tok/s for Qwen3.8 27B (Q4_K_M) and 119 tok/s for Qwen3 8B (Q4_K_M), so Qwen3 8B is faster. Estimates, ±20%.

Can I run Qwen3.8 27B or Qwen3 8B on a 16 GB GPU?

Qwen3.8 27B fits at Q3_K_L; Qwen3 8B fits at Q4_K_M.

Which has a longer context window, Qwen3.8 27B or Qwen3 8B?

Qwen3.8 27B supports 262,144 tokens and Qwen3 8B supports 40,960 tokens.

Qwen3.8 27B vs Qwen3 8B — VRAM & GPU Comparison | llmrun