Reasoning-only models

33 models listed.

Models

Models
Model	Maker	Kind	Released	Context	Input $/1M	Output $/1M
Ring-2.6-1TRing · Open weights	Ant Group	Reasoning-only	May 2026	131.1K	—	—
Ring-2.5-1TRing · Legacy · Open weights	Ant Group	Reasoning-only	Feb 2026	131.1K	—	—
K2-Think-V2K2 Think · Open weights	MBZUAI (Institute of Foundation Models)	Reasoning-only	Jan 2026	262.1K	—	—
Ring-1TRing · Legacy · Open weights	Ant Group	Reasoning-only	Oct 2025	65.5K	—	—
K2-ThinkK2 Think · Legacy · Open weights	MBZUAI (Institute of Foundation Models)	Reasoning-only	Sep 2025	131.1K	—	—
Ring-flash-2.0Ring · Legacy · Open weights	Ant Group	Reasoning-only	Sep 2025	32.8K	—	—
Ring-mini-2.0Ring · Legacy · Open weights	Ant Group	Reasoning-only	Sep 2025	32.8K	—	—
Phi-4-mini-flash-reasoningPhi Reasoning · Open weights	Microsoft	Reasoning-only	9 Jul 2025	—	—	—
Ring-liteRing · Legacy · Open weights	Ant Group	Reasoning-only	Jun 2025	32.8K	—	—
RLT-32BRLT · Open weights	Sakana AI	Reasoning-only	Jun 2025	32.8K	—	—
RLT-7BRLT · Open weights	Sakana AI	Reasoning-only	Jun 2025	32.8K	—	—
DeepSeek-R1-0528-Qwen3-8BDeepSeek-R1-Distill · Open weights	DeepSeek	Reasoning-only	29 May 2025	131.1K	—	—
Phi-4-mini-reasoningPhi Reasoning · Open weights	Microsoft	Reasoning-only	30 Apr 2025	131.1K	$0.07	$0.30
Phi-4-reasoningPhi Reasoning · Open weights	Microsoft	Reasoning-only	30 Apr 2025	32.8K	$0.13	$0.50
Phi-4-reasoning-plusPhi Reasoning · Open weights	Microsoft	Reasoning-only	30 Apr 2025	32.8K	$0.13	$0.50
GLM-Z1-32B-0414GLM-Z · Legacy · Open weights	Z.ai (Zhipu AI)	Reasoning-only	14 Apr 2025	32.8K	—	—
GLM-Z1-9B-0414GLM-Z · Open weights	Z.ai (Zhipu AI)	Reasoning-only	14 Apr 2025	32.8K	—	—
GLM-Z1-Rumination-32B-0414GLM-Z · Legacy · Open weights	Z.ai (Zhipu AI)	Reasoning-only	14 Apr 2025	131.1K	—	—
ERNIE X1 TurboERNIE X · Legacy	Baidu	Reasoning-only	Apr 2025	—	—	—
EXAONE-Deep-2.4BEXAONE Deep · Open weights	LG AI Research	Reasoning-only	18 Mar 2025	32.8K	—	—
EXAONE-Deep-32BEXAONE Deep · Open weights	LG AI Research	Reasoning-only	18 Mar 2025	32.8K	—	—
EXAONE-Deep-7.8BEXAONE Deep · Open weights	LG AI Research	Reasoning-only	18 Mar 2025	32.8K	—	—
QwQ-32BQwQ · Open weights	Alibaba Group	Reasoning-only	6 Mar 2025	131.1K	—	—
QwQ-PlusQwQ · Deprecated	Alibaba Group	Reasoning-only	5 Mar 2025	131.1K	$0.80	$2.40
DeepSeek-R1DeepSeek-R · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-Distill-Llama-70BDeepSeek-R1-Distill · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-Distill-Llama-8BDeepSeek-R1-Distill · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-Distill-Qwen-1.5BDeepSeek-R1-Distill · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-Distill-Qwen-14BDeepSeek-R1-Distill · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-Distill-Qwen-32BDeepSeek-R1-Distill · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-Distill-Qwen-7BDeepSeek-R1-Distill · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
DeepSeek-R1-ZeroDeepSeek-R · Legacy · Open weights	DeepSeek	Reasoning-only	20 Jan 2025	131.1K	—	—
QwQ-32B-PreviewQwQ · Legacy · Open weights	Alibaba Group	Reasoning-only	28 Nov 2024	32.8K	—	—