Reasoning Models

Models that think before they answer: chain-of-thought reasoning or extended thinking, for math, planning, agents, and hard coding tasks. Cheapest input price first.

60 models from the Everstack catalog, updated with every catalog release.

#ModelProviderContextInput /1MOutput /1M
1inclusionAI: Ling 3.0 Flash VL (OpenRouter)
OpenRouter
OpenRouter		262.1K$0.021$0.062
2Nex AGI: Nex-N2.5-Mini (OpenRouter)
OpenRouter
OpenRouter		262.1K$0.025$0.10
3Solar Pro 4 (OpenRouter)
OpenRouter
OpenRouter		524.3K$0.030$0.12
4DeepSeek V4 Flash 0731 (OpenRouter)
OpenRouter
OpenRouter		1.3M$0.040$0.080
5Inception: Mercury 2.5 (OpenRouter)
OpenRouter
OpenRouter		260K$0.040$0.15
6GPT-5 Nano (Azure)
Azure OpenAI
Azure OpenAI		400K$0.050$0.40
7Nemotron 3.5 Lightning 30B A3B (Fireworks)
Fireworks AI
Fireworks AI		262.1K$0.050$0.20
8GPT-5 Nano
OpenAI
OpenAI		400K$0.050$0.40
9Upstage: Solar Mini 4 (OpenRouter)
OpenRouter
OpenRouter		524.3K$0.050$0.20
10Qwen Flash
Qwen
Qwen		1M$0.050$0.40
11Qwen Turbo
Qwen
Qwen		1M$0.050$0.20
12GPT OSS 20B (Fireworks)
Fireworks AI
Fireworks AI		131.1K$0.070$0.30
13GLM-4.7-FlashXZ.AI200K$0.070$0.40
14GPT OSS 20B (Groq)
Groq
Groq		131.1K$0.075$0.30
15Nex AGI: Nex-N2.5-Pro (OpenRouter)
OpenRouter
OpenRouter		262.1K$0.075$0.25
16PrismML: Ternary Bonsai 2 27B (OpenRouter)
OpenRouter
OpenRouter		262.1K$0.075$0.50
17Nemotron 3.5 Lightning 30B A3B (OpenRouter)
OpenRouter
OpenRouter		262.1K$0.080$0.20
18Gemini 2.5 Flash Lite
Google
Google		1.0M$0.10$0.40
19GPT-6 Luna
OpenAI
OpenAI		1.1M$0.10$0.50
20OpenAI: GPT-6 Luna Pro (OpenRouter)
OpenRouter
OpenRouter		1.1M$0.10$0.50
21OpenAI: GPT-6 Luna (OpenRouter)
OpenRouter
OpenRouter		1.1M$0.10$0.50
22DeepSeek Reasoner (V4)
DeepSeek
DeepSeek		1M$0.14$0.28
23DeepSeek V4 Flash 0731 (Fireworks)
Fireworks AI
Fireworks AI		1M$0.14$0.28
24DeepSeek V4 Flash 0731 (Hugging Face)
Hugging Face
Hugging Face		1.0M$0.14$0.28
25Xiaomi: MiMo-V2.6-Flash (OpenRouter)
OpenRouter
OpenRouter		1.0M$0.14$0.28
26DeepSeek V4 Flash 0731 (Together)
Together AI
Together AI		1M$0.14$0.28
27GPT OSS 120B (Fireworks)
Fireworks AI
Fireworks AI		131.1K$0.15$0.60
28GPT OSS 120B (Groq)
Groq
Groq		131.1K$0.15$0.60
29Mistral Small 4
Mistral AI
Mistral AI		256K$0.15$0.60
30Mistral Small (Latest)
Mistral AI
Mistral AI		256K$0.15$0.60
31Perceptron: Perceptron Mk1.5 (OpenRouter)
OpenRouter
OpenRouter		36.9K$0.15$1.50
32Qwen: Qwen3.8 Omni Flash (OpenRouter)
OpenRouter
OpenRouter		1M$0.15$0.47
33GPT OSS 120B (Together)
Together AI
Together AI		131.1K$0.15$0.60
34Qwen3 8B
Qwen
Qwen		131.1K$0.18$0.70
35Qwen3.6 Flash
Qwen
Qwen		1M$0.19$1.13
36Step 3.7 Flash (Hugging Face)
Hugging Face
Hugging Face		262.1K$0.20$1.15
37GPT-5.4 Nano
OpenAI
OpenAI		400K$0.20$1.25
38GPT-5.6 Luna
OpenAI
OpenAI		1.1M$0.20$1.20
39GPT-5.6 Luna Pro (OpenRouter)
OpenRouter
OpenRouter		1.1M$0.20$1.20
40Step 3.7 Flash (OpenRouter)
OpenRouter
OpenRouter		262.1K$0.20$1.15
41DeepSeek V4 Flash 0731
Qwen
Qwen		1M$0.20$0.40
42Qwen3-VL 30B-A3B
Qwen
Qwen		131.1K$0.20$0.80
43Qwen3-VL Plus
Qwen
Qwen		262.1K$0.20$1.60
44Grok 4.1 Fast
xAI
xAI		2M$0.20$0.50
45Grok 4 Fast
xAI
xAI		2M$0.20$0.50
46Grok Code Fast
xAI
xAI		256K$0.20$1.50
47GLM-4.5-AirZ.AI131.1K$0.20$1.10
48GLM-4.5 Air (Fireworks)
Fireworks AI
Fireworks AI		131.1K$0.22$0.88
49DeepSeek V4 Flash Vision Exp (OpenRouter)
OpenRouter
OpenRouter		1.0M$0.22$0.66
50Qwen3.6 35B-A3B
Qwen
Qwen		262.1K$0.25$1.49
51GPT-5 Mini (Azure)
Azure OpenAI
Azure OpenAI		400K$0.25$2.00
52Gemini 3.1 Flash Lite
Google
Google		1.0M$0.25$1.50
53GPT-5 Mini
OpenAI
OpenAI		400K$0.25$2.00
54GPT-5.1 Codex Mini
OpenAI
OpenAI		400K$0.25$2.00
55Qwen3.5 35B-A3B
Qwen
Qwen		262.1K$0.25$2.00
56Qwen QwQ 32B
Groq
Groq		131.1K$0.29$0.39
57Qwen 3 32B (Groq)
Groq
Groq		131.1K$0.29$0.59
58DeepSeek V4.1 Flash
DeepSeek
DeepSeek		1M$0.30$1.20
59MiniMax M2.1 (Fireworks)
Fireworks AI
Fireworks AI		200K$0.30$1.20
60MiniMax M2.5 (Fireworks)
Fireworks AI
Fireworks AI		196.6K$0.30$1.20

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