Apodex 1.1 Mini (free) vs Mellum2.1 Thinking, head to head

Side A

Side B

Overall

Apodex 1.1 Mini (free) is clearly better. It wins 37 of the 44 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. Both models spend about the same on thinking per test case.

Thinking tokensAnswer tokens

TaskAApodex 1.1 Mini (free)BMellum2.1 ThinkingApodex 1.1 Mini (free)Mellum2.1 Thinking

Overall

2535.1s

8.5K10.3K

91m 56s

Agents

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

2639.4s

6.2K10.8K

92m 3s

Structured Extraction

Turns logs, diffs and records into exact JSON

5227.2s

7.7K8.3K

51m 36s

Coding

Writes code and SQL that pass hidden tests

446.5s

12.1K11.3K

52m 11s

Grounded Answers

Answers from the given documents with sources, never guesses

2926.0s

6.9K7.3K

131m 24s

Instruction Following

Applies every rule, including ones changed mid-conversation

3644.5s

11.4K17.3K

283m 10s

Business Logic

Computes billing, scheduling and pricing rules exactly

1435.4s

10K9K

01m 39s

Security & permissions

Ignores planted instructions, still does the allowed work

4027.3s

5.8K9.1K

81m 40s

Diagnosis & investigation

Chooses diagnostic checks, repairs supported causes and verifies recovery

034.6s

5.1K6.8K

01m 15s

What you'd run

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

SpecAApodex 1.1 Mini (free)BMellum2.1 Thinking

Speed

278 tok/s

90 tok/s

Machine

Hosted

Apple M5 Pro, 48 GB

Memory at 32K

—

12.9 GB

Context

256K

128K

Cost per run

Not measured

$2.46 est.

Cost per case

Not measured

$0.016 est.

Time per case

35.1s

1m 56s

Quantization

BF16

Q8_0

Harness

openrouter

llama.cpp

The race

No lead changes

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

Apodex 1.1 Mini (free)Mellum2.1 Thinking

Every test case

153 test cases

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

Agents51

Structured Extraction100

Coding12

Grounded Answers51

Instruction Following42

Business Logic30

Security & permissions91

Diagnosis & investigation00

37 won by Apodex 1.1 Mini (free)7 won by Mellum2.1 Thinking109 tied