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	GPT-5 OpenAI	Grok 4 xAI	Mistral Large 2 Mistral	Claude 4.7 Opus Anthropic
Vendor	OpenAI	xAI	Mistral	Anthropic
Family	GPT	Grok	Mistral	Claude
Release date	2025-08-07	2025-07-09	2024-07-24	2026-04-16
Context window	400,000 tokens	256,000 tokens	128,000 tokens	1,000,000 tokens
Parameters	—	—	123B	—
Modality	text, vision, audio	text	text	text, vision
License	proprietary	proprietary	Mistral Research License	proprietary
Source	proprietary	proprietary	open weights	proprietary
Description	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	—	Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line.	Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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.
Links	vendor →	vendor →	vendor →weights →	vendor →
Benchmarks
MMLU-Pro	85.1%	82.8%	—	88.2%
GPQA-D	87.3%	87.5%	—	90.1%
HumanEval	95.2%	—	89.0%	97.4%
Aider	85.4%	72.5%	—	91.2%
AIME-25	91.0%	86.1%	—	93.5%
LiveCB	74.5%	65.3%	—	80.2%
MMMU	74.1%	—	—	79.0%