MiMo-V2.6-Flash vs MiMo-V2.6-Pro, head to head

Side A

Side B

Overall

Too close to call. MiMo-V2.6-Pro wins 23 of the 42 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-Pro spends 1.3× as many thinking tokens per test case.

Thinking tokensAnswer tokens

TaskAMiMo-V2.6-FlashBMiMo-V2.6-ProMiMo-V2.6-FlashMiMo-V2.6-Pro

Overall

451m 21s

4.2K5.9K

482m 13s

Agents

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

381m 19s

2.2K8.7K

474m 48s

Structured Extraction

Turns logs, diffs and records into exact JSON

6238.0s

2.6K3.4K

601m 26s

Coding

Writes code and SQL that pass hidden tests

242m 40s

9.9K10.7K

242m 58s

Grounded Answers

Answers from the given documents with sources, never guesses

6242.1s

2.6K3.2K

621m 9s

Instruction Following

Applies every rule, including ones changed mid-conversation

641m 2s

4.8K4.5K

591m 23s

Business Logic

Computes billing, scheduling and pricing rules exactly

4356.4s

4.4K7.1K

571m 52s

Security & permissions

Ignores planted instructions, still does the allowed work

662m 6s

3.8K3.6K

711m 41s

Diagnosis & investigation

Chooses diagnostic checks, repairs supported causes and verifies recovery

01m 33s

1.5K6.2K

02m 54s

What you'd run

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

SpecAMiMo-V2.6-FlashBMiMo-V2.6-Pro

Speed

66 tok/s

55 tok/s

Machine

Hosted

Memory at 32K

—

Context

1.1M

Cost per run

$0.33

$1.80

Cost per case

$0.0021

$0.012

Time per case

1m 21s

2m 13s

Quantization

BF16

Harness

openrouter

The race

7 lead changes

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

MiMo-V2.6-FlashMiMo-V2.6-Pro

Every test case

153 test cases

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

Agents23

Structured Extraction65

Coding22

Grounded Answers22

Instruction Following32

Business Logic25

Security & permissions24

Diagnosis & investigation00

19 won by MiMo-V2.6-Flash23 won by MiMo-V2.6-Pro111 tied