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	Gemini Omni Google	DeepSeek-R1 DeepSeek	Claude 4.8 Opus Anthropic	GPT-5 OpenAI
Vendor	Google	DeepSeek	Anthropic	OpenAI
Family	Gemini	DeepSeek	Claude	GPT
Release date	2026-05-20	2025-01-20	2026-05-28	2025-08-07
Context window	1,000,000 tokens	128,000 tokens	1,000,000 tokens	400,000 tokens
Parameters	—	671B	—	—
Modality	text, vision, audio, video	text	text, vision	text, vision, audio
License	proprietary	MIT	proprietary	proprietary
Source	proprietary	open weights	proprietary	proprietary
Description	Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model.	Reasoning-focused open-weight model.	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.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.
Links	vendor →	weights →	vendor →	vendor →
Benchmarks
MMLU-Pro	—	—	—	85.1%
GPQA-D	—	—	—	87.3%
HumanEval	—	—	—	95.2%
Aider	—	—	—	85.4%
AIME-25	—	79.8%	—	91.0%
LiveCB	—	—	—	74.5%
MMMU	82.5%	—	—	74.1%