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Gemini Omni×

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	Gemini Omni Google	Mistral Large 2 Mistral	DeepSeek-V4-Flash DeepSeek	GPT-5.5 OpenAI
Vendor	Google	Mistral	DeepSeek	OpenAI
Family	Gemini	Mistral	DeepSeek	GPT
Release date	2026-05-20	2024-07-24	2026-04-22	2026-04-23
Context window	1,000,000 tokens	128,000 tokens	1,000,000 tokens	400,000 tokens
Parameters	—	123B	284B (13B active)	—
Modality	text, vision, audio, video	text	text	text, vision, audio
License	proprietary	Mistral Research License	MIT	proprietary
Source	proprietary	open weights	open weights	proprietary
Description	Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model.	Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line.	Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.	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.
Links	vendor →	vendor →weights →	weights →	vendor →
Benchmarks
MMLU-Pro	—	—	—	87.6%
GPQA-D	—	—	—	89.4%
HumanEval	—	89.0%	—	96.8%
Aider	—	—	—	89.7%
AIME-25	—	—	—	94.2%
LiveCB	—	—	—	78.9%
MMMU	82.5%	—	—	78.4%