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Claude 4.8 Opus×Clear all

	GPT-5 OpenAI	DeepSeek-V4-Flash DeepSeek	Gemini 3.5 Google	Claude 4.8 Opus Anthropic
Vendor	OpenAI	DeepSeek	Google	Anthropic
Family	GPT	DeepSeek	Gemini	Claude
Release date	2025-08-07	2026-04-22	2026-05-20	2026-05-28
Context window	400,000 tokens	1,000,000 tokens	2,000,000 tokens	1,000,000 tokens
Parameters	—	284B (13B active)	—	—
Modality	text, vision, audio	text	text, vision, audio, video	text, vision
License	proprietary	MIT	proprietary	proprietary
Source	proprietary	open weights	proprietary	proprietary
Description	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.	Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026.	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.
Links	vendor →	weights →	vendor →	vendor →
Benchmarks
MMLU-Pro	85.1%	—	88.9%	—
GPQA-D	87.3%	—	91.2%	—
HumanEval	95.2%	—	—	—
Aider	85.4%	—	—	—
AIME-25	91.0%	—	96.1%	—
LiveCB	74.5%	—	—	—
MMMU	74.1%	—	86.0%	—