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	DeepSeek-V3.1 DeepSeek	DeepSeek-R1 DeepSeek	Qwen3.7-Max Alibaba	DeepSeek-V4-Pro DeepSeek
Vendor	DeepSeek	DeepSeek	Alibaba	DeepSeek
Family	DeepSeek	DeepSeek	Qwen	DeepSeek
Release date	2025-08-21	2025-01-20	2026-05-20	2026-04-22
Context window	128,000 tokens	128,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	671B	671B	—	1.6T (49B active)
Modality	text	text	text	text
License	MIT	MIT	proprietary	MIT
Source	open weights	open weights	proprietary	open weights
Description	Large MoE open-weight model. Predecessor to DeepSeek-V4.	Reasoning-focused open-weight model.	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.	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	weights →	weights →	vendor →	weights →
Benchmarks
MMLU-Pro	—	—	83.7%	84.2%
GPQA-D	—	—	83.0%	82.4%
HumanEval	—	—	93.9%	95.1%
Aider	—	—	78.4%	80.1%
AIME-25	—	79.8%	90.4%	88.6%
LiveCB	—	—	71.0%	72.4%