Claude 3 Haiku vs DeepSeek V3

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

Claude 3 Haiku is clearly ahead on the aggregate, 42 to 25. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 3 Haiku's sharpest advantage is in coding, where it averages 75.9 against 42. The single biggest benchmark swing on the page is AIME 2024, 0.8% to 39.2%. DeepSeek V3 does hit back in mathematics, so the answer changes if that is the part of the workload you care about most.

Claude 3 Haiku gives you the larger context window at 200K, compared with 128K for DeepSeek V3.

Quick Verdict

Pick Claude 3 Haiku if you want the stronger benchmark profile. DeepSeek V3 only becomes the better choice if mathematics is the priority.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

Claude 3 Haiku

Claude 3 Haiku

75.9

DeepSeek V3

42

75.9%
HumanEval
Coming soon
Coming soon
SWE-bench Verified
42%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Claude 3 Haiku

Claude 3 Haiku

52.9

DeepSeek V3

24.9

54%
SimpleQA
24.9%
52%
MuSR
Coming soon

Knowledge

DeepSeek V3

Claude 3 Haiku

46.1

DeepSeek V3

69.6

74%
MMLU
88.5%
33.3%
GPQA
59.1%
54%
SuperGPQA
Coming soon
52%
OpenBookQA
Coming soon
49%
MMLU-Pro
75.9%

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

77.2%
IFEval
Coming soon

Multilingual

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

79.7%
MGSM
Coming soon

Mathematics

DeepSeek V3

Claude 3 Haiku

55

DeepSeek V3

90.2

56%
AIME 2023
Coming soon
0.8%
AIME 2024
39.2%
57%
AIME 2025
Coming soon
52%
HMMT Feb 2023
Coming soon
54%
HMMT Feb 2024
Coming soon
53%
HMMT Feb 2025
Coming soon
55%
BRUMO 2025
Coming soon
Coming soon
MATH-500
90.2%

Frequently Asked Questions

Which is better, Claude 3 Haiku or DeepSeek V3?

Claude 3 Haiku is ahead overall, 42 to 25. The biggest single separator in this matchup is AIME 2024, where the scores are 0.8% and 39.2%.

Which is better for knowledge tasks, Claude 3 Haiku or DeepSeek V3?

DeepSeek V3 has the edge for knowledge tasks in this comparison, averaging 69.6 versus 46.1. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 3 Haiku or DeepSeek V3?

Claude 3 Haiku has the edge for coding in this comparison, averaging 75.9 versus 42. DeepSeek V3 stays close enough that the answer can still flip depending on your workload.

Which is better for math, Claude 3 Haiku or DeepSeek V3?

DeepSeek V3 has the edge for math in this comparison, averaging 90.2 versus 55. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude 3 Haiku or DeepSeek V3?

Claude 3 Haiku has the edge for reasoning in this comparison, averaging 52.9 versus 24.9. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

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