MiMo V2.6 Flash RL vs GLM 5.3 Flash

MiMo V2.6 Flash RL leads llmrun Score 131.9 to 124.2; neither fits 24 GB.

Model A · Xiaomi

MiMo V2.6 Flash RL

131.9llmrun Score

309B · 15B active · 1M context · MIT · Sep 2026

ChatFunctions

Model B · Z.ai

GLM 5.3 Flash

124.2llmrun Score

321.3B · 18.3B active · 1M context · MIT · Aug 2026

VisionFunctions

Which should you choose?

Choose MiMo V2.6 Flash RL if you want…

Higher llmrun Score
131.9 vs 124.2
Stronger at coding
123.7 vs 117.4
Also does chat
GLM 5.3 Flash doesn't list it

Choose GLM 5.3 Flash if you want…

Also does vision
MiMo V2.6 Flash RL doesn't list it

On your hardware

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

MemoryMiMo V2.6 Flash RLGLM 5.3 Flash

8 GB

RTX 4060 · 8 GB tier

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

12 GB

RTX 3060 12GB · 12 GB tier

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

16 GB

RTX 5060 Ti 16GB · 16 GB tier

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

24 GBreference

RTX 4090 · 24 GB tier

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

32 GB

RTX 5090 · 32 GB tier

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

48 GB

RTX A6000 · 48 GB tier

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

Mac 32 GB

Mac Mini M4 · Macs

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

Mac 64 GB

Mac Studio M4 Max · Macs

MiMo V2.6 Flash RL

Doesn't fit

smallest quant needs 93.8 GB

GLM 5.3 Flash

Doesn't fit

smallest quant needs 100.7 GB

Mac 128 GB

Mac Studio M4 Max · Macs

MiMo V2.6 Flash RL

IQ2_M · ~44 tok/s

105.4 GB · up to 256K

GLM 5.3 Flash

IQ2_S · ~41 tok/s

112.8 GB · up to 16K

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

MiMo V2.6 Flash RL GLM 5.3 Flash

Overall

MiMo V2.6 Flash RL

131.9129–135

GLM 5.3 Flash

124.2122–126

Coding

MiMo V2.6 Flash RL

123.7115–133

GLM 5.3 Flash

117.4113–122

Agents

MiMo V2.6 Flash RL

no data

GLM 5.3 Flash

127.4124–131

Math

MiMo V2.6 Flash RL

no data

GLM 5.3 Flash

121.4118–125

Science

MiMo V2.6 Flash RL

121.8106–138

GLM 5.3 Flash

123.7112–135

Reasoning

MiMo V2.6 Flash RL

no data

GLM 5.3 Flash

127.4124–130

MiMo V2.6 Flash RL · #3 of 100 open models · #1 of 78 that fit ≤192 GB

GLM 5.3 Flash · #9 of 100 open models · #4 of 84 that fit ≤256 GB

Benchmarks

4 shared boards: MiMo V2.6 Flash RL leads 2, GLM 5.3 Flash leads 2 · Benchmarks imported Oct 2026

BoardMiMo V2.6 Flash RLGLM 5.3 Flash

SciCode

MiMo V2.6 Flash RL

51.3%#7/66 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3 Flash

51.6%#6/66 open

Lab-reportedEpoch AI · Aug 2026

ALE-Bench

MiMo V2.6 Flash RL

1244.2#5/43 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3 Flash

303.6#39/43 open

Lab-reportedEpoch AI · Aug 2026

CritPt

MiMo V2.6 Flash RL

12.0%#10/66 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3 Flash

15.4%#7/66 open

Lab-reportedEpoch AI · Aug 2026

ProofBench

MiMo V2.6 Flash RL

63.0%#4/26 open

Lab-reportedEpoch AI · Sep 2026

GLM 5.3 Flash

21.0%#12/26 open

Lab-reportedEpoch AI · Aug 2026

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

LMArena Text

MiMo V2.6 Flash RL

1450.9#15/187 open

ArenaLMArena · Oct 2026

GLM 5.3 Flash

1473.8#6/187 open

ArenaLMArena · Oct 2026

LMArena WebDev

MiMo V2.6 Flash RL

1634.3#2/52 open

ArenaLMArena · Oct 2026

GLM 5.3 Flash

1605.5#8/52 open

ArenaLMArena · Oct 2026

Only GLM 5.3 Flash (24)

VRAM by quantization

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

QuantMiMo V2.6 Flash RLGLM 5.3 Flash

Q2_K

MiMo V2.6 Flash RL

132 GB126.4 GB file

32K 133 GB · 128K 138 GB

GLM 5.3 Flash

138 GB114.2 GB file

32K 161 GB · 128K 234 GB

Q3_K_M

MiMo V2.6 Flash RL

151 GB~150.6 GB file

32K 153 GB · 128K 157 GB

GLM 5.3 Flash

158 GB149.1 GB file

32K 181 GB · 128K 254 GB

Q4_0

MiMo V2.6 Flash RL

155 GB~154.5 GB file

32K 156 GB · 128K 161 GB

GLM 5.3 Flash

not listed

Q4_K_M

MiMo V2.6 Flash RL

186 GB~185.4 GB file

32K 187 GB · 128K 192 GB

GLM 5.3 Flash

195 GB188.7 GB file

32K 217 GB · 128K 290 GB

Q5_K_M

MiMo V2.6 Flash RL

221 GB~220.2 GB file

32K 222 GB · 128K 227 GB

GLM 5.3 Flash

231 GB~228.9 GB file

32K 253 GB · 128K 326 GB

Q6_K

MiMo V2.6 Flash RL

255 GB~254.9 GB file

32K 257 GB · 128K 262 GB

GLM 5.3 Flash

267 GB~265.1 GB file

32K 290 GB · 128K 362 GB

Q8_0

MiMo V2.6 Flash RL

309 GB~309.0 GB file

32K 311 GB · 128K 316 GB

GLM 5.3 Flash

323 GB341.0 GB file

32K 346 GB · 128K 418 GB

7 more quants

IQ2_XXS

MiMo V2.6 Flash RL

not listed

GLM 5.3 Flash

90.2 GB101.8 GB file

32K 113 GB · 128K 185 GB

IQ2_XS

MiMo V2.6 Flash RL

93.1 GB98.7 GB file

32K 94.6 GB · 128K 99.4 GB

GLM 5.3 Flash

not listed

IQ2_S

MiMo V2.6 Flash RL

not listed

GLM 5.3 Flash

102 GB113.6 GB file

32K 125 GB · 128K 197 GB

IQ2_M

MiMo V2.6 Flash RL

105 GB107.8 GB file

32K 106 GB · 128K 111 GB

GLM 5.3 Flash

not listed

IQ3_XXS

MiMo V2.6 Flash RL

not listed

GLM 5.3 Flash

126 GB120.4 GB file

32K 149 GB · 128K 221 GB

IQ4_XS

MiMo V2.6 Flash RL

not listed

GLM 5.3 Flash

175 GB156.8 GB file

32K 197 GB · 128K 270 GB

BF16

MiMo V2.6 Flash RL

618 GB~618.0 GB file

32K 620 GB · 128K 625 GB

GLM 5.3 Flash

644 GB641.6 GB file

32K 667 GB · 128K 740 GB

How to run each

MiMo V2.6 Flash RL

Ollama · Q4_K_M

$ollama run hf.co/ggml-org/MiMo-V2.6-Flash-RL-GGUF

All ways to run MiMo V2.6 Flash RL →

GLM 5.3 Flash

Ollama · Q4_K_M

$ollama run hf.co/batiai/GLM-5.3-Flash-GGUF:Q4_K_M

All ways to run GLM 5.3 Flash →

Specifications

Specifications of MiMo V2.6 Flash RL and GLM 5.3 Flash
Spec	MiMo V2.6 Flash RL	GLM 5.3 Flash
Publisher	Xiaomi	Z.ai
Parameters	309B	321.3B
Active parameters	15B per token	18B per token
Architecture	MiMoV2ForCausalLM	Glm5NextForConditionalGeneration
Context	1M tokens	1M tokens
Modalities	Chat, Function-calling	Vision, Function-calling
License	MIT	MIT
Released	Sep 2026	Aug 2026

Frequently Asked Questions

Which is better, MiMo V2.6 Flash RL or GLM 5.3 Flash?

MiMo V2.6 Flash RL leads llmrun Score 131.9 to 124.2; neither fits 24 GB. Choose MiMo V2.6 Flash RL for higher llmrun Score and stronger at coding; choose GLM 5.3 Flash for also does vision.

Which needs less VRAM, MiMo V2.6 Flash RL or GLM 5.3 Flash?

At Q4_K_M, MiMo V2.6 Flash RL requires 185.8 GB while GLM 5.3 Flash needs 194.6 GB, making MiMo V2.6 Flash RL the easier model to run on your local setup.

Can I run MiMo V2.6 Flash RL or GLM 5.3 Flash on a 16 GB GPU?

MiMo V2.6 Flash RL does not fit (smallest quant needs 93.8 GB); GLM 5.3 Flash does not fit (smallest quant needs 100.7 GB).

Which has a longer context window, MiMo V2.6 Flash RL or GLM 5.3 Flash?

MiMo V2.6 Flash RL supports 1,048,576 tokens and GLM 5.3 Flash supports 1,048,576 tokens.