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	Claude 4.6 Sonnet Anthropic	Gemini 3.5 Google	DeepSeek-R1 DeepSeek	Qwen3.7-Max Alibaba
Vendor	Anthropic	Google	DeepSeek	Alibaba
Family	Claude	Gemini	DeepSeek	Qwen
Release date	2026-02-17	2026-05-20	2025-01-20	2026-05-20
Context window	1,000,000 tokens	2,000,000 tokens	128,000 tokens	1,000,000 tokens
Parameters	—	—	671B	—
Modality	text, vision	text, vision, audio, video	text	text
License	proprietary	proprietary	MIT	proprietary
Source	proprietary	proprietary	open weights	proprietary
Description	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.	Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026.	Reasoning-focused open-weight model.	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.
Links		vendor →	weights →	vendor →
Benchmarks
MMLU-Pro	85.4%	88.9%	—	83.7%
GPQA-D	85.8%	91.2%	—	83.0%
HumanEval	95.9%	—	—	93.9%
Aider	83.6%	—	—	78.4%
AIME-25	87.4%	96.1%	79.8%	90.4%
LiveCB	73.8%	—	—	71.0%
MMMU	—	86.0%	—	—