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	Grok 4 xAI	Qwen3.7-Max Alibaba	GPT-5.5 OpenAI	Qwen3.6-27B Alibaba
Vendor	xAI	Alibaba	OpenAI	Alibaba
Family	Grok	Qwen	GPT	Qwen
Release date	2025-07-09	2026-05-20	2026-04-23	2026-04-22
Context window	256,000 tokens	1,000,000 tokens	400,000 tokens	262,144 tokens
Parameters	—	—	—	27B (dense)
Modality	text	text	text, vision, audio	text, vision, video
License	proprietary	proprietary	proprietary	Apache-2.0
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.	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.	Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input.
Links	vendor →	vendor →	vendor →	weights →
Benchmarks
MMLU-Pro	82.8%	83.7%	87.6%	78.9%
GPQA-D	87.5%	83.0%	89.4%	—
HumanEval	—	93.9%	96.8%	91.5%
Aider	72.5%	78.4%	89.7%	70.2%
AIME-25	86.1%	90.4%	94.2%	—
LiveCB	65.3%	71.0%	78.9%	—
MMMU	—	—	78.4%	70.3%