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DeepSeek-V4-Pro×

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	DeepSeek-V4-Pro DeepSeek	GPT-5 OpenAI	Qwen3.7-Max Alibaba	Claude 4.6 Sonnet Anthropic
Vendor	DeepSeek	OpenAI	Alibaba	Anthropic
Family	DeepSeek	GPT	Qwen	Claude
Release date	2026-04-22	2025-08-07	2026-05-20	2026-02-17
Context window	1,000,000 tokens	400,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	1.6T (49B active)	—	—	—
Modality	text	text, vision, audio	text	text, vision
License	MIT	proprietary	proprietary	proprietary
Source	open weights	proprietary	proprietary	proprietary
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.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	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.	Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context.
Links	weights →	vendor →	vendor →
Benchmarks
MMLU-Pro	84.2%	85.1%	83.7%	85.4%
GPQA-D	82.4%	87.3%	83.0%	85.8%
HumanEval	95.1%	95.2%	93.9%	95.9%
Aider	80.1%	85.4%	78.4%	83.6%
AIME-25	88.6%	91.0%	90.4%	87.4%
LiveCB	72.4%	74.5%	71.0%	73.8%
MMMU	—	74.1%	—	—