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Grok 4×

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	Grok 4 xAI	DeepSeek-V3.1 DeepSeek	Qwen3.7-Max Alibaba	Claude 4.6 Sonnet Anthropic
Vendor	xAI	DeepSeek	Alibaba	Anthropic
Family	Grok	DeepSeek	Qwen	Claude
Release date	2025-07-09	2025-08-21	2026-05-20	2026-02-17
Context window	256,000 tokens	128,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	—	671B	—	—
Modality	text	text	text	text, vision
License	proprietary	MIT	proprietary	proprietary
Source	proprietary	open weights	proprietary	proprietary
Description	—	Large MoE open-weight model. Predecessor to DeepSeek-V4.	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	vendor →	weights →	vendor →
Benchmarks
MMLU-Pro	82.8%	—	83.7%	85.4%
GPQA-D	87.5%	—	83.0%	85.8%
HumanEval	—	—	93.9%	95.9%
Aider	72.5%	—	78.4%	83.6%
AIME-25	86.1%	—	90.4%	87.4%
LiveCB	65.3%	—	71.0%	73.8%