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	GPT-5.5 OpenAI	Qwen3.7-Max Alibaba	o3 OpenAI	Gemini 3 Pro Google
Vendor	OpenAI	Alibaba	OpenAI	Google
Family	GPT	Qwen	o-series	Gemini
Release date	2026-04-23	2026-05-20	2025-04-16	2026-04-22
Context window	400,000 tokens	1,000,000 tokens	200,000 tokens	2,000,000 tokens
Parameters	—	—	—	—
Modality	text, vision, audio	text	text, vision	text, vision, audio, video
License	proprietary	proprietary	proprietary	proprietary
Source	proprietary	proprietary	proprietary	proprietary
Description	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 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.	Reasoning-focused model in the o-series.	Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers.
Links	vendor →	vendor →		vendor →
Benchmarks
MMLU-Pro	87.6%	83.7%	—	87.1%
GPQA-D	89.4%	83.0%	87.7%	88.6%
HumanEval	96.8%	93.9%	—	96.5%
Aider	89.7%	78.4%	—	84.8%
AIME-25	94.2%	90.4%	88.9%	92.8%
LiveCB	78.9%	71.0%	—	76.1%
MMMU	78.4%	—	—	84.3%