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	DeepSeek-V4-Pro DeepSeek	Gemini Omni Google	GPT-5.5 OpenAI	Mistral Large 2 Mistral
Vendor	DeepSeek	Google	OpenAI	Mistral
Family	DeepSeek	Gemini	GPT	Mistral
Release date	2026-04-22	2026-05-20	2026-04-23	2024-07-24
Context window	1,000,000 tokens	1,000,000 tokens	400,000 tokens	128,000 tokens
Parameters	1.6T (49B active)	—	—	123B
Modality	text	text, vision, audio, video	text, vision, audio	text
License	MIT	proprietary	proprietary	Mistral Research License
Source	open weights	proprietary	proprietary	open weights
Description	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.	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.	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.
Links	weights →	vendor →	vendor →	vendor →weights →
Benchmarks
MMLU-Pro	84.2%	—	87.6%	—
GPQA-D	82.4%	—	89.4%	—
HumanEval	95.1%	—	96.8%	89.0%
Aider	80.1%	—	89.7%	—
AIME-25	88.6%	—	94.2%	—
LiveCB	72.4%	—	78.9%	—
MMMU	—	82.5%	78.4%	—