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DeepSeek-R1×

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	DeepSeek-R1 DeepSeek	GPT-5 OpenAI	Claude 4.8 Opus Anthropic	Qwen3.6-27B Alibaba
Vendor	DeepSeek	OpenAI	Anthropic	Alibaba
Family	DeepSeek	GPT	Claude	Qwen
Release date	2025-01-20	2025-08-07	2026-05-28	2026-04-22
Context window	128,000 tokens	400,000 tokens	1,000,000 tokens	262,144 tokens
Parameters	671B	—	—	27B (dense)
Modality	text	text, vision, audio	text, vision	text, vision, video
License	MIT	proprietary	proprietary	Apache-2.0
Source	open weights	proprietary	proprietary	open weights
Description	Reasoning-focused open-weight model.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	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.	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	weights →	vendor →	vendor →	weights →
Benchmarks
MMLU-Pro	—	85.1%	—	78.9%
GPQA-D	—	87.3%	—	—
HumanEval	—	95.2%	—	91.5%
Aider	—	85.4%	—	70.2%
AIME-25	79.8%	91.0%	—	—
LiveCB	—	74.5%	—	—
MMMU	—	74.1%	—	70.3%