Claude Haiku 4.5 vs Ministral 3 3B

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Claude Haiku 4.5 is clearly ahead on the aggregate, 62 to 27. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude Haiku 4.5's sharpest advantage is in multimodal & grounded, where it averages 78.4 against 30.4. The single biggest benchmark swing on the page is MMMU-Pro, 82 to 25.

Claude Haiku 4.5 is also the more expensive model on tokens at $0.80 input / $4.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Ministral 3 3B. That is roughly Infinityx on output cost alone. Claude Haiku 4.5 gives you the larger context window at 200K, compared with 128K for Ministral 3 3B.

Quick Verdict

Pick Claude Haiku 4.5 if you want the stronger benchmark profile. Ministral 3 3B only becomes the better choice if you want the cheaper token bill.

Agentic

Claude Haiku 4.5

Claude Haiku 4.5

56.7

Ministral 3 3B

22.9

53
Terminal-Bench 2.0
19
62
BrowseComp
33
57
OSWorld-Verified
20

Coding

Claude Haiku 4.5

Claude Haiku 4.5

41.7

Ministral 3 3B

6.2

60
HumanEval
15
48
SWE-bench Verified
8
36
LiveCodeBench
7
46
SWE-bench Pro
5

Multimodal & Grounded

Claude Haiku 4.5

Claude Haiku 4.5

78.4

Ministral 3 3B

30.4

82
MMMU-Pro
25
74
OfficeQA Pro
37

Reasoning

Claude Haiku 4.5

Claude Haiku 4.5

68.9

Ministral 3 3B

30.1

65
SimpleQA
22
63
MuSR
20
81
BBH
57
72
LongBench v2
32
70
MRCRv2
35

Knowledge

Claude Haiku 4.5

Claude Haiku 4.5

53.6

Ministral 3 3B

24.5

68
MMLU
24
67
GPQA
23
65
SuperGPQA
21
63
OpenBookQA
19
73
MMLU-Pro
48
11
HLE
1
64
FrontierScience
28

Instruction Following

Claude Haiku 4.5

Claude Haiku 4.5

86

Ministral 3 3B

67

86
IFEval
67

Multilingual

Claude Haiku 4.5

Claude Haiku 4.5

80.1

Ministral 3 3B

59.7

82
MGSM
61
79
MMLU-ProX
59

Mathematics

Claude Haiku 4.5

Claude Haiku 4.5

73.3

Ministral 3 3B

36

68
AIME 2023
23
70
AIME 2024
25
69
AIME 2025
24
64
HMMT Feb 2023
19
66
HMMT Feb 2024
21
65
HMMT Feb 2025
20
67
BRUMO 2025
22
81
MATH-500
53

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 is ahead overall, 62 to 27. The biggest single separator in this matchup is MMMU-Pro, where the scores are 82 and 25.

Which is better for knowledge tasks, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for knowledge tasks in this comparison, averaging 53.6 versus 24.5. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for coding in this comparison, averaging 41.7 versus 6.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for math in this comparison, averaging 73.3 versus 36. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for reasoning in this comparison, averaging 68.9 versus 30.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for agentic tasks in this comparison, averaging 56.7 versus 22.9. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for multimodal and grounded tasks in this comparison, averaging 78.4 versus 30.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for instruction following in this comparison, averaging 86 versus 67. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Claude Haiku 4.5 or Ministral 3 3B?

Claude Haiku 4.5 has the edge for multilingual tasks in this comparison, averaging 80.1 versus 59.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

Weekly LLM Benchmark Digest

Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.

Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.