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	Grok 4 xAI	Mistral Large 2 Mistral	Claude 4.6 Sonnet Anthropic	DeepSeek-R1 DeepSeek
Vendor	xAI	Mistral	Anthropic	DeepSeek
Family	Grok	Mistral	Claude	DeepSeek
Release date	2025-07-09	2024-07-24	2026-02-17	2025-01-20
Context window	256,000 tokens	128,000 tokens	1,000,000 tokens	128,000 tokens
Parameters	—	123B	—	671B
Modality	text	text	text, vision	text
License	proprietary	Mistral Research License	proprietary	MIT
Source	proprietary	open weights	proprietary	open weights
Description	—	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 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.	Reasoning-focused open-weight model.
Links	vendor →	vendor →weights →		weights →
Benchmarks
MMLU-Pro	82.8%	—	85.4%	—
GPQA-D	87.5%	—	85.8%	—
HumanEval	—	89.0%	95.9%	—
Aider	72.5%	—	83.6%	—
AIME-25	86.1%	—	87.4%	79.8%
LiveCB	65.3%	—	73.8%	—