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	Gemini Omni Google	Claude 4.6 Sonnet Anthropic	Qwen3.6-27B Alibaba	GPT-5.5 OpenAI
Vendor	Google	Anthropic	Alibaba	OpenAI
Family	Gemini	Claude	Qwen	GPT
Release date	2026-05-20	2026-02-17	2026-04-22	2026-04-23
Context window	1,000,000 tokens	1,000,000 tokens	262,144 tokens	400,000 tokens
Parameters	—	—	27B (dense)	—
Modality	text, vision, audio, video	text, vision	text, vision, video	text, vision, audio
License	proprietary	proprietary	Apache-2.0	proprietary
Source	proprietary	proprietary	open weights	proprietary
Description	Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model.	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.	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.	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 →
Benchmarks
MMLU-Pro	—	85.4%	78.9%	87.6%
GPQA-D	—	85.8%	—	89.4%
HumanEval	—	95.9%	91.5%	96.8%
Aider	—	83.6%	70.2%	89.7%
AIME-25	—	87.4%	—	94.2%
LiveCB	—	73.8%	—	78.9%
MMMU	82.5%	—	70.3%	78.4%