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DeepSeek-V4-Flash×

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	DeepSeek-V4-Flash DeepSeek	Grok 4 xAI	Llama 4 Maverick Meta	Claude 4.6 Sonnet Anthropic
Vendor	DeepSeek	xAI	Meta	Anthropic
Family	DeepSeek	Grok	Llama	Claude
Release date	2026-04-22	2025-07-09	2025-04-05	2026-02-17
Context window	1,000,000 tokens	256,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	284B (13B active)	—	400B	—
Modality	text	text	text, vision	text, vision
License	MIT	proprietary	Llama 4 Community License	proprietary
Source	open weights	proprietary	open weights	proprietary
Description	Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.	—	Mixture-of-experts open-weight model from Meta.	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	weights →	vendor →	weights →
Benchmarks
MMLU-Pro	—	82.8%	80.5%	85.4%
GPQA-D	—	87.5%	—	85.8%
HumanEval	—	—	—	95.9%
Aider	—	72.5%	—	83.6%
AIME-25	—	86.1%	—	87.4%
LiveCB	—	65.3%	—	73.8%
MMMU	—	—	68.5%	—