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Claude 4.8 Opus×

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	Claude 4.8 Opus Anthropic	Llama 4 Scout Meta	Grok 4 xAI	Qwen3.7-Max Alibaba
Vendor	Anthropic	Meta	xAI	Alibaba
Family	Claude	Llama	Grok	Qwen
Release date	2026-05-28	2025-04-05	2025-07-09	2026-05-20
Context window	1,000,000 tokens	10,000,000 tokens	256,000 tokens	1,000,000 tokens
Parameters	—	109B	—	—
Modality	text, vision	text, vision	text	text
License	proprietary	Llama 4 Community License	proprietary	proprietary
Source	proprietary	open weights	proprietary	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.	—	—	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 →	vendor →	vendor →
Benchmarks
MMLU-Pro	—	—	82.8%	83.7%
GPQA-D	—	—	87.5%	83.0%
HumanEval	—	—	—	93.9%
Aider	—	—	72.5%	78.4%
AIME-25	—	—	86.1%	90.4%
LiveCB	—	—	65.3%	71.0%