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	GPT-5 OpenAI	Llama 4 Maverick Meta	Gemini 3.5 Google	Claude 4.6 Sonnet Anthropic
Vendor	OpenAI	Meta	Google	Anthropic
Family	GPT	Llama	Gemini	Claude
Release date	2025-08-07	2025-04-05	2026-05-20	2026-02-17
Context window	400,000 tokens	1,000,000 tokens	2,000,000 tokens	1,000,000 tokens
Parameters	—	400B	—	—
Modality	text, vision, audio	text, vision	text, vision, audio, video	text, vision
License	proprietary	Llama 4 Community License	proprietary	proprietary
Source	proprietary	open weights	proprietary	proprietary
Description	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	Mixture-of-experts open-weight model from Meta.	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 mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context.
Links	vendor →	weights →	vendor →
Benchmarks
MMLU-Pro	85.1%	80.5%	88.9%	85.4%
GPQA-D	87.3%	—	91.2%	85.8%
HumanEval	95.2%	—	—	95.9%
Aider	85.4%	—	—	83.6%
AIME-25	91.0%	—	96.1%	87.4%
LiveCB	74.5%	—	—	73.8%
MMMU	74.1%	68.5%	86.0%	—