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Gemini Omni×

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	Gemini Omni Google	GPT-5.5 OpenAI	DeepSeek-V4-Pro DeepSeek	Gemini 3.5 Google
Vendor	Google	OpenAI	DeepSeek	Google
Family	Gemini	GPT	DeepSeek	Gemini
Release date	2026-05-20	2026-04-23	2026-04-22	2026-05-20
Context window	1,000,000 tokens	400,000 tokens	1,000,000 tokens	2,000,000 tokens
Parameters	—	—	1.6T (49B active)	—
Modality	text, vision, audio, video	text, vision, audio	text	text, vision, audio, video
License	proprietary	proprietary	MIT	proprietary
Source	proprietary	proprietary	open weights	proprietary
Description	Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model.	OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning.	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 next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026.
Links	vendor →	vendor →	weights →	vendor →
Benchmarks
MMLU-Pro	—	87.6%	84.2%	88.9%
GPQA-D	—	89.4%	82.4%	91.2%
HumanEval	—	96.8%	95.1%	—
Aider	—	89.7%	80.1%	—
AIME-25	—	94.2%	88.6%	96.1%
LiveCB	—	78.9%	72.4%	—
MMMU	82.5%	78.4%	—	86.0%