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	Gemini 3.5 Google	Claude 4.7 Opus Anthropic	DeepSeek-V3.1 DeepSeek	GPT-5 OpenAI
Vendor	Google	Anthropic	DeepSeek	OpenAI
Family	Gemini	Claude	DeepSeek	GPT
Release date	2026-05-20	2026-04-16	2025-08-21	2025-08-07
Context window	2,000,000 tokens	1,000,000 tokens	128,000 tokens	400,000 tokens
Parameters	—	—	671B	—
Modality	text, vision, audio, video	text, vision	text	text, vision, audio
License	proprietary	proprietary	MIT	proprietary
Source	proprietary	proprietary	open weights	proprietary
Description	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	Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). Optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6.	Large MoE open-weight model. Predecessor to DeepSeek-V4.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.
Links	vendor →	vendor →	weights →	vendor →
Benchmarks
MMLU-Pro	88.9%	88.2%	—	85.1%
GPQA-D	91.2%	90.1%	—	87.3%
HumanEval	—	97.4%	—	95.2%
Aider	—	91.2%	—	85.4%
AIME-25	96.1%	93.5%	—	91.0%
LiveCB	—	80.2%	—	74.5%
MMMU	86.0%	79.0%	—	74.1%