Composer 2 vs DeepSeek Coder 2.0

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

DeepSeek Coder 2.0 is clearly ahead on the aggregate, 66 to 62. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek Coder 2.0's sharpest advantage is in agentic, where it averages 67.5 against 61.7. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 61.7% to 73%.

Composer 2 is also the more expensive model on tokens at $0.50 input / $2.50 output per 1M tokens, versus $0.27 input / $1.10 output per 1M tokens for DeepSeek Coder 2.0. That is roughly 2.3x on output cost alone. Composer 2 is the reasoning model in the pair, while DeepSeek Coder 2.0 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Composer 2 gives you the larger context window at 200K, compared with 128K for DeepSeek Coder 2.0.

Quick Verdict

Pick DeepSeek Coder 2.0 if you want the stronger benchmark profile. Composer 2 only becomes the better choice if you need the larger 200K context window or you want the stronger reasoning-first profile.

Agentic

DeepSeek Coder 2.0

Composer 2

61.7

DeepSeek Coder 2.0

67.5

61.7%
Terminal-Bench 2.0
73%
Coming soon
BrowseComp
62%
Coming soon
OSWorld-Verified
65%

Coding

Coming soon

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

73.7%
SWE Multilingual
Coming soon
97.2%
React Native Evals
Coming soon
Coming soon
HumanEval
82%
Coming soon
SWE-bench Verified
51%
Coming soon
LiveCodeBench
45%
Coming soon
SWE-bench Pro
61%

Multimodal & Grounded

Coming soon

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

Coming soon
MMMU-Pro
50%
Coming soon
OfficeQA Pro
69%

Reasoning

Coming soon

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

Coming soon
MuSR
76%
Coming soon
BBH
84%
Coming soon
LongBench v2
73%
Coming soon
MRCRv2
71%

Knowledge

Coming soon

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

Coming soon
MMLU
80%
Coming soon
GPQA
79%
Coming soon
SuperGPQA
77%
Coming soon
MMLU-Pro
73%
Coming soon
HLE
14%
Coming soon
FrontierScience
72%
Coming soon
SimpleQA
78%

Instruction Following

Coming soon

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

Coming soon
IFEval
86%

Multilingual

Coming soon

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

Coming soon
MGSM
83%
Coming soon
MMLU-ProX
78%

Mathematics

Coming soon

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

Coming soon
AIME 2023
81%
Coming soon
AIME 2024
83%
Coming soon
AIME 2025
82%
Coming soon
HMMT Feb 2023
77%
Coming soon
HMMT Feb 2024
79%
Coming soon
HMMT Feb 2025
78%
Coming soon
BRUMO 2025
80%
Coming soon
MATH-500
81%

Frequently Asked Questions

Which is better, Composer 2 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 is ahead overall, 66 to 62. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 61.7% and 73%.

Which is better for agentic tasks, Composer 2 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 has the edge for agentic tasks in this comparison, averaging 67.5 versus 61.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Last updated: March 18, 2026

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