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	Grok 4 xAI	Qwen3.7-Max Alibaba	Claude 4.6 Sonnet Anthropic	DeepSeek-V4-Pro DeepSeek
Vendor	xAI	Alibaba	Anthropic	DeepSeek
Family	Grok	Qwen	Claude	DeepSeek
Release date	2025-07-09	2026-05-20	2026-02-17	2026-04-22
Context window	256,000 tokens	1,000,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	—	—	—	1.6T (49B active)
Modality	text	text	text, vision	text
License	proprietary	proprietary	proprietary	MIT
Source	proprietary	proprietary	proprietary	open weights
Description	—	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.	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	vendor →	vendor →		weights →
Benchmarks
MMLU-Pro	82.8%	83.7%	85.4%	84.2%
GPQA-D	87.5%	83.0%	85.8%	82.4%
HumanEval	—	93.9%	95.9%	95.1%
Aider	72.5%	78.4%	83.6%	80.1%
AIME-25	86.1%	90.4%	87.4%	88.6%
LiveCB	65.3%	71.0%	73.8%	72.4%