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Claude 4.8 Opus×

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	Claude 4.8 Opus Anthropic	DeepSeek-R1 DeepSeek	Qwen3.6-27B Alibaba	Qwen3.7-Max Alibaba
Vendor	Anthropic	DeepSeek	Alibaba	Alibaba
Family	Claude	DeepSeek	Qwen	Qwen
Release date	2026-05-28	2025-01-20	2026-04-22	2026-05-20
Context window	1,000,000 tokens	128,000 tokens	262,144 tokens	1,000,000 tokens
Parameters	—	671B	27B (dense)	—
Modality	text, vision	text	text, vision, video	text
License	proprietary	MIT	Apache-2.0	proprietary
Source	proprietary	open weights	open weights	proprietary
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.	Reasoning-focused open-weight model.	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.	Alibaba's flagship agent model — 1M-token context, extended-thinking mode, 56.6 on the Artificial Analysis Intelligence Index v4.0 (5th overall, #1 Chinese). 50.8% on Terminal-Bench Hard. Designed for long-horizon agent workloads (hundreds-to-thousands of steps). Closed-weight, $2.50/$7.50 per 1M tokens.
Links	vendor →	weights →	weights →	vendor →
Benchmarks
MMLU-Pro	—	—	78.9%	83.7%
GPQA-D	—	—	—	83.0%
HumanEval	—	—	91.5%	93.9%
Aider	—	—	70.2%	78.4%
AIME-25	—	79.8%	—	90.4%
LiveCB	—	—	—	71.0%
MMMU	—	—	70.3%	—