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	Gemini 3.5 Google	DeepSeek-R1 DeepSeek	Gemini 3 Pro Google	DeepSeek-V4-Pro DeepSeek
Vendor	Google	DeepSeek	Google	DeepSeek
Family	Gemini	DeepSeek	Gemini	DeepSeek
Release date	2026-05-20	2025-01-20	2026-04-22	2026-04-22
Context window	2,000,000 tokens	128,000 tokens	2,000,000 tokens	1,000,000 tokens
Parameters	—	671B	—	1.6T (49B active)
Modality	text, vision, audio, video	text	text, vision, audio, video	text
License	proprietary	MIT	proprietary	MIT
Source	proprietary	open weights	proprietary	open weights
Description	Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026.	Reasoning-focused open-weight model.	Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers.	DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs.
Links	vendor →	weights →	vendor →	weights →
Benchmarks
MMLU-Pro	88.9%	—	87.1%	84.2%
GPQA-D	91.2%	—	88.6%	82.4%
HumanEval	—	—	96.5%	95.1%
Aider	—	—	84.8%	80.1%
AIME-25	96.1%	79.8%	92.8%	88.6%
LiveCB	—	—	76.1%	72.4%
MMMU	86.0%	—	84.3%	—