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	DeepSeek-V3.1 DeepSeek	Qwen3 235B Alibaba	Claude 4.8 Opus Anthropic	DeepSeek-V4-Flash DeepSeek
Vendor	DeepSeek	Alibaba	Anthropic	DeepSeek
Family	DeepSeek	Qwen	Claude	DeepSeek
Release date	2025-08-21	2025-04-29	2026-05-28	2026-04-22
Context window	128,000 tokens	128,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	671B	235B	—	284B (13B active)
Modality	text	text	text, vision	text
License	MIT	Apache-2.0	proprietary	MIT
Source	open weights	open weights	proprietary	open weights
Description	Large MoE open-weight model. Predecessor to DeepSeek-V4.	Predecessor to the Qwen3.6 family.	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.
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