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	GPT-5 Pro OpenAI	Gemini 3 Pro Google	Mistral Large 2 Mistral	DeepSeek-V4-Pro DeepSeek
Vendor	OpenAI	Google	Mistral	DeepSeek
Family	GPT	Gemini	Mistral	DeepSeek
Release date	2025-08-07	2026-04-22	2024-07-24	2026-04-22
Context window	400,000 tokens	2,000,000 tokens	128,000 tokens	1,000,000 tokens
Parameters	—	—	123B	1.6T (49B active)
Modality	text, vision, audio	text, vision, audio, video	text	text
License	proprietary	proprietary	Mistral Research License	MIT
Source	proprietary	proprietary	open weights	open weights
Description	Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth.	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.	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.	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 →	vendor →	vendor →weights →	weights →
Benchmarks
MMLU-Pro	—	87.1%	—	84.2%
GPQA-D	—	88.6%	—	82.4%
HumanEval	—	96.5%	89.0%	95.1%
Aider	—	84.8%	—	80.1%
AIME-25	—	92.8%	—	88.6%
LiveCB	—	76.1%	—	72.4%
MMMU	—	84.3%	—	—