Reasoning

Models

Model	Company	Family	Released	Modality	Context	Open source	API	Status
Leanstral 1.5	Mistral AI	Leanstral	Jul 2, 2026	—	—	Yes	—	active
ERNIE 5.1	Baidu	ERNIE Foundation Models	May 9, 2026	text	—	—	—	active
DeepSeek V4Family	DeepSeek	—	Apr 24, 2026	—	—	Yes	—	active
Leanstral	Mistral AI	Leanstral	Mar 16, 2026	—	—	Yes	—	legacy
LeanstralFamily	Mistral AI	—	Mar 16, 2026	—	—	—	—	active
MagistralFamily	Mistral AI	—	Jun 10, 2025	—	—	—	—	active
Magistral Medium	Mistral AI	Magistral	Jun 10, 2025	—	—	—	—	active
Magistral Small	Mistral AI	Magistral	Jun 10, 2025	—	—	Yes	—	active
ERNIE X1 Turbo	Baidu	ERNIE Foundation Models	Apr 25, 2025	text	—	—	—	active
ERNIE X1	Baidu	ERNIE Foundation Models	Mar 16, 2025	text	—	—	—	active
R1 1776	Perplexity	PPLX Models	Feb 18, 2025	—	—	Yes	—	active
Sonar Deep Research	Perplexity	Sonar	Feb 14, 2025	—	—	—	—	active
Sonar Reasoning	Perplexity	Sonar	Jan 29, 2025	—	—	—	—	active
Sonar Reasoning Pro	Perplexity	Sonar	Jan 29, 2025	—	—	—	—	active
SonarFamily	Perplexity	—	Jan 21, 2025	—	—	—	—	active
DeepSeek R1Family	DeepSeek	—	Jan 20, 2025	—	—	Yes	—	active
DeepSeek V3Family	DeepSeek	—	Dec 26, 2024	—	—	Yes	—	active
Mathstral 7B	Mistral AI	Mistral language models	Jul 16, 2024	—	—	Yes	—	active
DeepSeekMathFamily	DeepSeek	—	Feb 5, 2024	—	—	Yes	—	active
ERNIE Foundation ModelsFamily	Baidu	—	Mar 16, 2019	—	—	Yes	—	active

Name	Company	Type	Category	Launched	Models	Latest release	Status	Updated
Pro Search	Perplexity	Product	AI Search	May 2023	—	Pro Search upgraded Jul 2, 2024	active	Oct 3, 2026