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	o3 OpenAI	DeepSeek-V4-Pro DeepSeek	Gemini 3.5 Google	Llama 4 Maverick Meta
Vendor	OpenAI	DeepSeek	Google	Meta
Family	o-series	DeepSeek	Gemini	Llama
Release date	2025-04-16	2026-04-22	2026-05-20	2025-04-05
Context window	200,000 tokens	1,000,000 tokens	2,000,000 tokens	1,000,000 tokens
Parameters	—	1.6T (49B active)	—	400B
Modality	text, vision	text	text, vision, audio, video	text, vision
License	proprietary	MIT	proprietary	Llama 4 Community License
Source	proprietary	open weights	proprietary	open weights
Description	Reasoning-focused model in the o-series.	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.	Mixture-of-experts open-weight model from Meta.
Links		weights →	vendor →	weights →
Benchmarks
MMLU-Pro	—	84.2%	88.9%	80.5%
GPQA-D	87.7%	82.4%	91.2%	—
HumanEval	—	95.1%	—	—
Aider	—	80.1%	—	—
AIME-25	88.9%	88.6%	96.1%	—
LiveCB	—	72.4%	—	—
MMMU	—	—	86.0%	68.5%