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Claude 4.8 Opus×

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	Claude 4.8 Opus Anthropic	DeepSeek-V4-Flash DeepSeek	o3 OpenAI	Qwen3.6-27B Alibaba
Vendor	Anthropic	DeepSeek	OpenAI	Alibaba
Family	Claude	DeepSeek	o-series	Qwen
Release date	2026-05-28	2026-04-22	2025-04-16	2026-04-22
Context window	1,000,000 tokens	1,000,000 tokens	200,000 tokens	262,144 tokens
Parameters	—	284B (13B active)	—	27B (dense)
Modality	text, vision	text	text, vision	text, vision, video
License	proprietary	MIT	proprietary	Apache-2.0
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.	Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.	Reasoning-focused model in the o-series.	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 →	weights →		weights →
Benchmarks
MMLU-Pro	—	—	—	78.9%
GPQA-D	—	—	87.7%	—
HumanEval	—	—	—	91.5%
Aider	—	—	—	70.2%
AIME-25	—	—	88.9%	—
MMMU	—	—	—	70.3%