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Llama 4 Maverick×

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	Llama 4 Maverick Meta	DeepSeek-V4-Pro DeepSeek	Qwen3.7-Max Alibaba	GPT-5.5 OpenAI
Vendor	Meta	DeepSeek	Alibaba	OpenAI
Family	Llama	DeepSeek	Qwen	GPT
Release date	2025-04-05	2026-04-22	2026-05-20	2026-04-23
Context window	1,000,000 tokens	1,000,000 tokens	1,000,000 tokens	400,000 tokens
Parameters	400B	1.6T (49B active)	—	—
Modality	text, vision	text	text	text, vision, audio
License	Llama 4 Community License	MIT	proprietary	proprietary
Source	open weights	open weights	proprietary	proprietary
Description	Mixture-of-experts open-weight model from Meta.	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.	Alibaba's flagship agent model — 1M-token context, extended-thinking mode, 56.6 on the Artificial Analysis Intelligence Index v4.0 (5th overall, #1 Chinese). 50.8% on Terminal-Bench Hard. Designed for long-horizon agent workloads (hundreds-to-thousands of steps). Closed-weight, $2.50/$7.50 per 1M tokens.	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	weights →	weights →	vendor →	vendor →
Benchmarks
MMLU-Pro	80.5%	84.2%	83.7%	87.6%
GPQA-D	—	82.4%	83.0%	89.4%
HumanEval	—	95.1%	93.9%	96.8%
Aider	—	80.1%	78.4%	89.7%
AIME-25	—	88.6%	90.4%	94.2%
LiveCB	—	72.4%	71.0%	78.9%
MMMU	68.5%	—	—	78.4%