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	GPT-5.5 OpenAI	o3 OpenAI	Qwen3.7-Max Alibaba	Mistral Large 2 Mistral
Vendor	OpenAI	OpenAI	Alibaba	Mistral
Family	GPT	o-series	Qwen	Mistral
Release date	2026-04-23	2025-04-16	2026-05-20	2024-07-24
Context window	400,000 tokens	200,000 tokens	1,000,000 tokens	128,000 tokens
Parameters	—	—	—	123B
Modality	text, vision, audio	text, vision	text	text
License	proprietary	proprietary	proprietary	Mistral Research License
Source	proprietary	proprietary	proprietary	open weights
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.	Reasoning-focused model in the o-series.	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.	Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line.
Links	vendor →		vendor →	vendor →weights →
Benchmarks
MMLU-Pro	87.6%	—	83.7%	—
GPQA-D	89.4%	87.7%	83.0%	—
HumanEval	96.8%	—	93.9%	89.0%
Aider	89.7%	—	78.4%	—
AIME-25	94.2%	88.9%	90.4%	—
LiveCB	78.9%	—	71.0%	—
MMMU	78.4%	—	—	—