GLM 5.3 Flash vs MiMo-V2.6-Flash, head to head

Side A

Side B

Overall

MiMo-V2.6-Flash is clearly better. It wins 39 of the 59 test cases where they differ.

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Task by task

A score turns orange only when that model wins clearly more of the task's test cases. Under each score, the average time per test case on the machine it ran on. MiMo-V2.6-Flash spends 1.6× as many thinking tokens per test case.

Thinking tokensAnswer tokens

TaskAGLM 5.3 FlashBMiMo-V2.6-FlashGLM 5.3 FlashMiMo-V2.6-Flash

Overall

3555.5s

2.8K4.2K

451m 21s

Agents

Runs multi-step jobs through tools, within a written policy

1037.0s

6072.2K

381m 19s

Structured Extraction

Turns logs, diffs and records into exact JSON

4847.2s

2.7K2.6K

6238.0s

Coding

Writes code and SQL that pass hidden tests

541m 52s

5.3K9.9K

242m 40s

Grounded Answers

Answers from the given documents with sources, never guesses

3756.8s

2.9K2.6K

6242.1s

Instruction Following

Applies every rule, including ones changed mid-conversation

4340.8s

2K4.8K

641m 2s

Business Logic

Computes billing, scheduling and pricing rules exactly

331m 18s

5.8K4.4K

4356.4s

Security & permissions

Ignores planted instructions, still does the allowed work

5525.2s

9633.8K

662m 6s

Diagnosis & investigation

Chooses diagnostic checks, repairs supported causes and verifies recovery

027.0s

5631.5K

01m 33s

What you'd run

The build behind each score. Orange marks the faster, smaller, cheaper or longer-context side.

SpecAGLM 5.3 FlashBMiMo-V2.6-Flash

Speed

60 tok/s

66 tok/s

Machine

Hosted

Memory at 32K

—

Context

1.1M

Cost per run

$0.19

$0.33

Cost per case

$0.0013

$0.0021

Time per case

55.5s

1m 21s

Quantization

FP8

BF16

Harness

openrouter

The race

No lead changes

Each model's running score as the test cases go by. The dashed line is a perfect run.

GLM 5.3 FlashMiMo-V2.6-Flash

Every test case

153 test cases

Each square is one test case, colored by the model that scored higher.

Agents06

Structured Extraction47

Coding103

Grounded Answers17

Instruction Following17

Business Logic35

Security & permissions14

Diagnosis & investigation00

20 won by GLM 5.3 Flash39 won by MiMo-V2.6-Flash94 tied