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	GPT-5 OpenAI	Qwen3.6-27B Alibaba	Qwen3.7-Max Alibaba	GPT-5.5 OpenAI
Vendor	OpenAI	Alibaba	Alibaba	OpenAI
Family	GPT	Qwen	Qwen	GPT
Release date	2025-08-07	2026-04-22	2026-05-20	2026-04-23
Context window	400,000 tokens	262,144 tokens	1,000,000 tokens	400,000 tokens
Parameters	—	27B (dense)	—	—
Modality	text, vision, audio	text, vision, video	text	text, vision, audio
License	proprietary	Apache-2.0	proprietary	proprietary
Source	proprietary	open weights	proprietary	proprietary
Description	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	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.	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.
Links	vendor →	weights →	vendor →	vendor →
Benchmarks
MMLU-Pro	85.1%	78.9%	83.7%	87.6%
GPQA-D	87.3%	—	83.0%	89.4%
HumanEval	95.2%	91.5%	93.9%	96.8%
Aider	85.4%	70.2%	78.4%	89.7%
AIME-25	91.0%	—	90.4%	94.2%
LiveCB	74.5%	—	71.0%	78.9%
MMMU	74.1%	70.3%	—	78.4%