llmrun

MiMo V2.5 Pro vs GLM 5.1

MiMo V2.5 Pro and GLM 5.1 match in llmrun Score, with values of 116.4 versus 117.8; neither fits 24 GB.

1023.2B · 43.9B active · 1M context · MIT · Apr 2026

ChatFunctionsCode

753.9B · 42.4B active · 198K context · MIT · Apr 2026

ChatFunctions

Which should you choose?

Choose MiMo V2.5 Pro if you want…

  • Longer context window

    1M vs 198K tokens

  • Also does code

    GLM 5.1 doesn't list it

Choose GLM 5.1 if you want…

  • Lighter on memory

    456.5 vs 614.5 GB at Q4_K_M

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

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

12 GB

RTX 3060 12GB · 12 GB tier

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

16 GB

RTX 5060 Ti 16GB · 16 GB tier

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

24 GBreference

RTX 4090 · 24 GB tier

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

32 GB

RTX 5090 · 32 GB tier

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

48 GB

RTX A6000 · 48 GB tier

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

Mac 32 GB

Mac Mini M4 · Macs

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

Mac 64 GB

Mac Studio M4 Max · Macs

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 GB

Mac 128 GB

Mac Studio M4 Max · Macs

MiMo V2.5 Pro

Doesn't fit

smallest quant needs 283.5 GB

GLM 5.1

Doesn't fit

smallest quant needs 209.1 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

MiMo V2.5 Pro

116.4111–122

GLM 5.1

117.8115–121

Coding

MiMo V2.5 Pro

115.6106–126

GLM 5.1

114.5107–122

Agents

MiMo V2.5 Pro

no data

GLM 5.1

122.7116–129

Math

MiMo V2.5 Pro

no data

GLM 5.1

117.4113–122

Science

MiMo V2.5 Pro

114.697–133

GLM 5.1

116.8106–127

Reasoning

MiMo V2.5 Pro

110.8102–120

GLM 5.1

115.6105–126

MiMo V2.5 Pro · #17 of 100 open models · #14 of 96 that fit ≤640 GB

GLM 5.1 · #15 of 100 open models · #13 of 96 that fit ≤512 GB

Benchmarks

4 shared boards: MiMo V2.5 Pro leads 2, GLM 5.1 leads 2 · Benchmarks imported Oct 2026

MiMo V2.5 Pro

50.2%#10/66 open

Lab-reportedEpoch AI

GLM 5.1

44.8%#25/66 open

Lab-reportedEpoch AI · Apr 2026

MiMo V2.5 Pro

899.8#14/43 open

Lab-reportedEpoch AI

GLM 5.1

887.1#15/43 open

Lab-reportedEpoch AI · Apr 2026

MiMo V2.5 Pro

4.0%#18/66 open

Lab-reportedEpoch AI

GLM 5.1

4.6%#17/66 open

Lab-reportedEpoch AI · Apr 2026

MiMo V2.5 Pro

22.0%#11/26 open

Lab-reportedEpoch AI

GLM 5.1

22.2%#10/26 open

Lab-reportedEpoch AI · Apr 2026

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

MiMo V2.5 Pro

1467.3#7/187 open

ArenaLMArena · Oct 2026

GLM 5.1

1465.2#8/187 open

ArenaLMArena · Oct 2026

MiMo V2.5 Pro

1481.3#18/52 open

ArenaLMArena · Oct 2026

GLM 5.1

1508.5#15/52 open

ArenaLMArena · Oct 2026

Only MiMo V2.5 Pro (2)

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

MiMo V2.5 Pro

435 GB~434.9 GB file

32K 439 GB · 128K 449 GB

GLM 5.1

325 GB265.8 GB file

32K 324 GB · 128K 332 GB

Q3_K_S

MiMo V2.5 Pro

not listed

GLM 5.1

334 GB313.5 GB file

32K 333 GB · 128K 342 GB

Q3_K_M

MiMo V2.5 Pro

499 GB459.7 GB file

32K 503 GB · 128K 513 GB

GLM 5.1

372 GB338.4 GB file

32K 371 GB · 128K 380 GB

Q4_0

MiMo V2.5 Pro

not listed

GLM 5.1

381 GB427.6 GB file

32K 380 GB · 128K 389 GB

Q4_K_M

MiMo V2.5 Pro

614 GB629.6 GB file

32K 618 GB · 128K 628 GB

GLM 5.1

457 GB464.5 GB file

32K 456 GB · 128K 464 GB

Q5_K_M

MiMo V2.5 Pro

730 GB758.0 GB file

32K 733 GB · 128K 743 GB

GLM 5.1

541 GB558.5 GB file

32K 540 GB · 128K 549 GB

Q6_K

MiMo V2.5 Pro

845 GB846.6 GB file

32K 848 GB · 128K 859 GB

GLM 5.1

626 GB621.3 GB file

32K 625 GB · 128K 634 GB

Q8_0

MiMo V2.5 Pro

1024 GB1087.6 GB file

32K 1027 GB · 128K 1038 GB

GLM 5.1

758 GB801.3 GB file

32K 757 GB · 128K 766 GB

16 more quants

IQ2_XXS

MiMo V2.5 Pro

282 GB317.2 GB file

32K 285 GB · 128K 296 GB

GLM 5.1

212 GB220.6 GB file

32K 211 GB · 128K 219 GB

IQ2_XS

MiMo V2.5 Pro

not listed

GLM 5.1

230 GB226.6 GB file

32K 229 GB · 128K 238 GB

IQ2_S

MiMo V2.5 Pro

320 GB319.4 GB file

32K 324 GB · 128K 334 GB

GLM 5.1

240 GB231.4 GB file

32K 239 GB · 128K 248 GB

IQ2_M

MiMo V2.5 Pro

346 GB317.3 GB file

32K 349 GB · 128K 360 GB

GLM 5.1

259 GB236.2 GB file

32K 258 GB · 128K 267 GB

IQ3_XXS

MiMo V2.5 Pro

397 GB412.7 GB file

32K 400 GB · 128K 411 GB

GLM 5.1

296 GB268.3 GB file

32K 295 GB · 128K 304 GB

IQ3_XS

MiMo V2.5 Pro

not listed

GLM 5.1

315 GB343.9 GB file

32K 314 GB · 128K 323 GB

IQ3_S

MiMo V2.5 Pro

435 GB377.9 GB file

32K 439 GB · 128K 449 GB

GLM 5.1

325 GB279.6 GB file

32K 324 GB · 128K 332 GB

IQ3_M

MiMo V2.5 Pro

not listed

GLM 5.1

343 GB360.3 GB file

32K 342 GB · 128K 351 GB

Q3_K_L

MiMo V2.5 Pro

not listed

GLM 5.1

391 GB358.9 GB file

32K 390 GB · 128K 398 GB

IQ4_XS

MiMo V2.5 Pro

551 GB490.7 GB file

32K 554 GB · 128K 564 GB

GLM 5.1

409 GB361.3 GB file

32K 408 GB · 128K 417 GB

IQ4_NL

MiMo V2.5 Pro

576 GB501.3 GB file

32K 579 GB · 128K 590 GB

GLM 5.1

428 GB368.9 GB file

32K 427 GB · 128K 436 GB

Q4_1

MiMo V2.5 Pro

not listed

GLM 5.1

428 GB472.7 GB file

32K 427 GB · 128K 436 GB

Q4_K_S

MiMo V2.5 Pro

576 GB588.5 GB file

32K 579 GB · 128K 590 GB

GLM 5.1

428 GB433.9 GB file

32K 427 GB · 128K 436 GB

Q4_K_L

MiMo V2.5 Pro

not listed

GLM 5.1

466 GB460.4 GB file

32K 465 GB · 128K 474 GB

Q5_K_S

MiMo V2.5 Pro

704 GB713.2 GB file

32K 707 GB · 128K 718 GB

GLM 5.1

523 GB525.9 GB file

32K 522 GB · 128K 530 GB

BF16

MiMo V2.5 Pro

2047 GB2046.7 GB file

32K 2050 GB · 128K 2061 GB

GLM 5.1

1512 GB1508.0 GB file

32K 1511 GB · 128K 1520 GB

How to run each

Specifications

Specifications of MiMo V2.5 Pro and GLM 5.1
SpecMiMo V2.5 ProGLM 5.1
PublisherXiaomiZ.ai
Parameters1023.2B753.9B
Active parameters44B per token42B per token
ArchitectureMiMoV2ForCausalLMGlmMoeDsaForCausalLM
Context1M tokens198K tokens
ModalitiesChat, Function-calling, CodeChat, Function-calling
LicenseMITMIT
ReleasedApr 2026Apr 2026

Frequently Asked Questions

Which is better, MiMo V2.5 Pro or GLM 5.1?

MiMo V2.5 Pro and GLM 5.1 match in llmrun Score, with values of 116.4 versus 117.8; neither fits 24 GB. Choose MiMo V2.5 Pro for longer context window and also does code; choose GLM 5.1 for lighter on memory.

Which needs less VRAM, MiMo V2.5 Pro or GLM 5.1?

At Q4_K_M, MiMo V2.5 Pro requires 614.5 GB while GLM 5.1 needs 456.5 GB, making GLM 5.1 the easier model to run on your local setup.

Can I run MiMo V2.5 Pro or GLM 5.1 on a 16 GB GPU?

MiMo V2.5 Pro does not fit (smallest quant needs 283.5 GB); GLM 5.1 does not fit (smallest quant needs 209.1 GB).

Which has a longer context window, MiMo V2.5 Pro or GLM 5.1?

MiMo V2.5 Pro supports 1,048,576 tokens and GLM 5.1 supports 202,752 tokens.

MiMo V2.5 Pro vs GLM 5.1 — VRAM & GPU Comparison | llmrun