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	GPT-5 OpenAI	Gemini Omni Google	DeepSeek-V4-Pro DeepSeek	Gemini 3 Pro Google
Vendor	OpenAI	Google	DeepSeek	Google
Family	GPT	Gemini	DeepSeek	Gemini
Release date	2025-08-07	2026-05-20	2026-04-22	2026-04-22
Context window	400,000 tokens	1,000,000 tokens	1,000,000 tokens	2,000,000 tokens
Parameters	—	—	1.6T (49B active)	—
Modality	text, vision, audio	text, vision, audio, video	text	text, vision, audio, video
License	proprietary	proprietary	MIT	proprietary
Source	proprietary	proprietary	open weights	proprietary
Description	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model.	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.	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.
Links	vendor →	vendor →	weights →	vendor →
Benchmarks
MMLU-Pro	85.1%	—	84.2%	87.1%
GPQA-D	87.3%	—	82.4%	88.6%
HumanEval	95.2%	—	95.1%	96.5%
Aider	85.4%	—	80.1%	84.8%
AIME-25	91.0%	—	88.6%	92.8%
LiveCB	74.5%	—	72.4%	76.1%
MMMU	74.1%	82.5%	—	84.3%