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Claude 4.6 Sonnet×Clear all

	GPT-5.5 OpenAI	Qwen3 235B Alibaba	Qwen3.7-Max Alibaba	Claude 4.6 Sonnet Anthropic
Vendor	OpenAI	Alibaba	Alibaba	Anthropic
Family	GPT	Qwen	Qwen	Claude
Release date	2026-04-23	2025-04-29	2026-05-20	2026-02-17
Context window	400,000 tokens	128,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	—	235B	—	—
Modality	text, vision, audio	text	text	text, vision
License	proprietary	Apache-2.0	proprietary	proprietary
Source	proprietary	open weights	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.	Predecessor to the Qwen3.6 family.	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	87.6%	—	83.7%	85.4%
GPQA-D	89.4%	—	83.0%	85.8%
HumanEval	96.8%	—	93.9%	95.9%
Aider	89.7%	—	78.4%	83.6%
AIME-25	94.2%	—	90.4%	87.4%
LiveCB	78.9%	—	71.0%	73.8%
MMMU	78.4%	—	—	—