Composer 2 vs Gemini 3 Pro Deep Think

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

Gemini 3 Pro Deep Think is clearly ahead on the aggregate, 79 to 62. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 3 Pro Deep Think's sharpest advantage is in agentic, where it averages 78.8 against 61.7.

Gemini 3 Pro Deep Think gives you the larger context window at 2M, compared with 200K for Composer 2.

Quick Verdict

Pick Gemini 3 Pro Deep Think if you want the stronger benchmark profile. Composer 2 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Gemini 3 Pro Deep Think

Composer 2

61.7

Gemini 3 Pro Deep Think

78.8

61.7%
Terminal-Bench 2.0
Coming soon
Coming soon
BrowseComp
87%
Coming soon
OSWorld-Verified
73%

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
SWE-bench Verified
58%
Coming soon
LiveCodeBench
58%
Coming soon
SWE-bench Pro
63%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Coming soon

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

Coming soon
BBH
95%
Coming soon
LongBench v2
94%
Coming soon
MRCRv2
96%
Coming soon
ARC-AGI-2
45.1%

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-Pro
81%
Coming soon
HLE
32%
Coming soon
SimpleQA
95%

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
89%

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
92%
Coming soon
MMLU-ProX
85%

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
99%
Coming soon
AIME 2024
99%
Coming soon
AIME 2025
98%
Coming soon
HMMT Feb 2023
95%
Coming soon
HMMT Feb 2024
97%
Coming soon
HMMT Feb 2025
96%
Coming soon
BRUMO 2025
96%
Coming soon
MATH-500
92%

Frequently Asked Questions

Which is better, Composer 2 or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think is ahead overall, 79 to 62.

Which is better for agentic tasks, Composer 2 or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think has the edge for agentic tasks in this comparison, averaging 78.8 versus 61.7. Composer 2 stays close enough that the answer can still flip depending on your workload.

Last updated: March 18, 2026

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