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	o3 OpenAI	Claude 4.8 Opus Anthropic	Gemini 3 Pro Google	Qwen3.6-27B Alibaba
Vendor	OpenAI	Anthropic	Google	Alibaba
Family	o-series	Claude	Gemini	Qwen
Release date	2025-04-16	2026-05-28	2026-04-22	2026-04-22
Context window	200,000 tokens	1,000,000 tokens	2,000,000 tokens	262,144 tokens
Parameters	—	—	—	27B (dense)
Modality	text, vision	text, vision	text, vision, audio, video	text, vision, video
License	proprietary	proprietary	proprietary	Apache-2.0
Source	proprietary	proprietary	proprietary	open weights
Description	Reasoning-focused model in the o-series.	Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot.	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.	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.
Links		vendor →	vendor →	weights →
Benchmarks
MMLU-Pro	—	—	87.1%	78.9%
GPQA-D	87.7%	—	88.6%	—
HumanEval	—	—	96.5%	91.5%
Aider	—	—	84.8%	70.2%
AIME-25	88.9%	—	92.8%	—
LiveCB	—	—	76.1%	—
MMMU	—	—	84.3%	70.3%