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Claude 4.8 Opus×

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DeepSeek-V3.1×Clear all

	Claude 4.8 Opus Anthropic	Qwen3.6-27B Alibaba	GPT-5 OpenAI	DeepSeek-V3.1 DeepSeek
Vendor	Anthropic	Alibaba	OpenAI	DeepSeek
Family	Claude	Qwen	GPT	DeepSeek
Release date	2026-05-28	2026-04-22	2025-08-07	2025-08-21
Context window	1,000,000 tokens	262,144 tokens	400,000 tokens	128,000 tokens
Parameters	—	27B (dense)	—	671B
Modality	text, vision	text, vision, video	text, vision, audio	text
License	proprietary	Apache-2.0	proprietary	MIT
Source	proprietary	open weights	proprietary	open weights
Description	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.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	Large MoE open-weight model. Predecessor to DeepSeek-V4.
Links	vendor →	weights →	vendor →	weights →
Benchmarks
MMLU-Pro	—	78.9%	85.1%	—
GPQA-D	—	—	87.3%	—
HumanEval	—	91.5%	95.2%	—
Aider	—	70.2%	85.4%	—
AIME-25	—	—	91.0%	—
LiveCB	—	—	74.5%	—
MMMU	—	70.3%	74.1%	—