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	Claude 4.7 Opus Anthropic	GPT-5.5 OpenAI	Llama 4 Maverick Meta	DeepSeek-R1 DeepSeek
Vendor	Anthropic	OpenAI	Meta	DeepSeek
Family	Claude	GPT	Llama	DeepSeek
Release date	2026-04-16	2026-04-23	2025-04-05	2025-01-20
Context window	1,000,000 tokens	400,000 tokens	1,000,000 tokens	128,000 tokens
Parameters	—	—	400B	671B
Modality	text, vision	text, vision, audio	text, vision	text
License	proprietary	proprietary	Llama 4 Community License	MIT
Source	proprietary	proprietary	open weights	open weights
Description	Anthropic's most capable model, optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6.	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.	Mixture-of-experts open-weight model from Meta.	Reasoning-focused open-weight model.
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