Reasoning AI models, cheapest first
243 models, updated 2026-06-21. Figures in USD per 1M tokens, sourced from public APIs.
| Model | Provider | Context | Input | Output | Reason | Tools |
|---|---|---|---|---|---|---|
| North Mini Code | Cohere | 256,000 | $0 | $0 | ✓ | ✓ |
| North Mini Code (free) | OpenRouter | 256,000 | $0 | $0 | ✓ | ✓ |
| Gemma 4 26B A4B (free) | OpenRouter | 131,072 | $0 | $0 | ✓ | ✓ |
| Gemma 4 31B (free) | OpenRouter | 262,144 | $0 | $0 | ✓ | ✓ |
| LFM2.5-1.2B-Thinking (free) | OpenRouter | 32,768 | $0 | $0 | ✓ | ✓ |
| Nex-N2-Pro (free) | OpenRouter | 262,144 | $0 | $0 | ✓ | ✓ |
| Nemotron 3 Nano 30B A3B (free) | OpenRouter | 256,000 | $0 | $0 | ✓ | ✓ |
| Nemotron 3 Nano Omni (free) | OpenRouter | 256,000 | $0 | $0 | ✓ | ✓ |
| Nemotron 3 Super (free) | OpenRouter | 262,144 | $0 | $0 | ✓ | ✓ |
| Nemotron 3 Ultra (free) | OpenRouter | 1,000,000 | $0 | $0 | ✓ | ✓ |
| Nemotron 3.5 Content Safety (free) | OpenRouter | 128,000 | $0 | $0 | ✓ | |
| Nemotron Nano 12B 2 VL (free) | OpenRouter | 128,000 | $0 | $0 | ✓ | ✓ |
| Nemotron Nano 9B V2 (free) | OpenRouter | 128,000 | $0 | $0 | ✓ | ✓ |
| gpt-oss-120b (free) | OpenRouter | 131,072 | $0 | $0 | ✓ | ✓ |
| gpt-oss-20b (free) | OpenRouter | 131,072 | $0 | $0 | ✓ | ✓ |
| Free Models Router | OpenRouter | 200,000 | $0 | $0 | ✓ | ✓ |
| Laguna M.1 (free) | OpenRouter | 262,144 | $0 | $0 | ✓ | ✓ |
| Laguna XS.2 (free) | OpenRouter | 262,144 | $0 | $0 | ✓ | ✓ |
| Laguna M.1 | Poolside | 262,144 | $0 | $0 | ✓ | ✓ |
| Laguna XS.2 | Poolside | 262,144 | $0 | $0 | ✓ | ✓ |
| GLM-4.5-Flash | Z.AI | 131,072 | $0 | $0 | ✓ | ✓ |
| GLM-4.7-Flash | Z.AI | 200,000 | $0 | $0 | ✓ | ✓ |
| GPT OSS 20B | Groq | 131,072 | $0.029 | $0.14 | ✓ | ✓ |
| GPT OSS 120B | Groq | 131,072 | $0.039 | $0.18 | ✓ | ✓ |
| Trinity Mini | OpenRouter | 131,072 | $0.045 | $0.15 | ✓ | ✓ |
| Qwen Flash | Alibaba | 1,000,000 | $0.05 | $0.4 | ✓ | ✓ |
| Qwen Turbo | Alibaba | 1,000,000 | $0.05 | $0.2 | ✓ | ✓ |
| Qwen3 8B | Alibaba | 131,072 | $0.05 | $0.4 | ✓ | ✓ |
| GPT-5 Nano | OpenAI | 400,000 | $0.05 | $0.4 | ✓ | ✓ |
| Nemotron 3 Nano 30B A3B | OpenRouter | 262,144 | $0.05 | $0.2 | ✓ | ✓ |
| Gemma 4 26B A4B IT | 262,144 | $0.06 | $0.33 | ✓ | ✓ | |
| Hy3 preview | OpenRouter | 262,144 | $0.063 | $0.21 | ✓ | ✓ |
| Qwen3.5-Flash | OpenRouter | 1,000,000 | $0.065 | $0.26 | ✓ | ✓ |
| GLM-4.7-FlashX | Z.AI | 200,000 | $0.07 | $0.4 | ✓ | ✓ |
| Safety GPT OSS 20B | Groq | 131,072 | $0.075 | $0.3 | ✓ | ✓ |
| Seed 1.6 Flash | OpenRouter | 262,144 | $0.075 | $0.3 | ✓ | ✓ |
| Ring-2.6-1T | OpenRouter | 262,144 | $0.075 | $0.625 | ✓ | ✓ |
| gpt-oss-safeguard-20b | OpenRouter | 131,072 | $0.075 | $0.3 | ✓ | ✓ |
| Qwen3 32B | Alibaba | 131,072 | $0.08 | $0.28 | ✓ | ✓ |
| Qwen3 30B A3B Thinking 2507 | OpenRouter | 131,072 | $0.08 | $0.4 | ✓ | ✓ |
| DeepSeek V4 Flash | DeepSeek | 1,000,000 | $0.09 | $0.18 | ✓ | ✓ |
| Nemotron 3 Super 120B A12B | OpenRouter | 262,144 | $0.09 | $0.45 | ✓ | ✓ |
| Step 3.5 Flash | StepFun AI | 256,000 | $0.09 | $0.3 | ✓ | ✓ |
| Qwen3-Next 80B-A3B (Thinking) | Alibaba | 131,072 | $0.0975 | $0.78 | ✓ | ✓ |
| Qwen3 14B | Alibaba | 131,072 | $0.1 | $0.24 | ✓ | ✓ |
| Gemini 2.5 Flash-Lite | 1,048,576 | $0.1 | $0.4 | ✓ | ✓ | |
| Gemini Flash-Lite Latest | 1,048,576 | $0.1 | $0.4 | ✓ | ✓ | |
| Seed-2.0-Mini | OpenRouter | 262,144 | $0.1 | $0.4 | ✓ | ✓ |
| Gemini 2.5 Flash Lite Preview 09-2025 | OpenRouter | 1,048,576 | $0.1 | $0.4 | ✓ | ✓ |
| Qwen3 235B A22B Thinking 2507 | OpenRouter | 262,144 | $0.1 | $0.1 | ✓ | ✓ |
| Qwen3.5 9B | OpenRouter | 262,144 | $0.1 | $0.15 | ✓ | ✓ |
| Reka Flash 3 | OpenRouter | 65,536 | $0.1 | $0.2 | ✓ | |
| Step 3.5 Flash 2603 | StepFun AI | 256,000 | $0.1 | $0.3 | ✓ | ✓ |
| MiMo-V2-Flash | Xiaomi | 262,144 | $0.1 | $0.3 | ✓ | ✓ |
| Qwen3 VL 8B Thinking | OpenRouter | 131,072 | $0.117 | $1.365 | ✓ | ✓ |
| Gemma 4 31B IT | 262,144 | $0.12 | $0.35 | ✓ | ✓ | |
| Qwen3 30B A3B | OpenRouter | 40,960 | $0.12 | $0.5 | ✓ | ✓ |
| Hermes 4 70B | OpenRouter | 131,072 | $0.13 | $0.4 | ✓ | |
| Qwen3 VL 30B A3B Thinking | OpenRouter | 131,072 | $0.13 | $1.56 | ✓ | ✓ |
| GLM-4.5-Air | Z.AI | 131,072 | $0.13 | $0.85 | ✓ | ✓ |
| Qwen3.5 35B-A3B | Alibaba | 262,144 | $0.14 | $1 | ✓ | ✓ |
| Qwen3.6 35B-A3B | Alibaba | 262,144 | $0.14 | $1 | ✓ | ✓ |
| DeepSeek Reasoner | DeepSeek | 1,000,000 | $0.14 | $0.28 | ✓ | ✓ |
| Hunyuan A13B Instruct | OpenRouter | 131,072 | $0.14 | $0.57 | ✓ | |
| MiMo-V2.5 | Xiaomi | 1,048,576 | $0.14 | $0.28 | ✓ | ✓ |
| MiniMax-M2.5 | MiniMax (minimaxi.com) | 204,800 | $0.15 | $0.9 | ✓ | ✓ |
| Mistral Small 4 | Mistral | 256,000 | $0.15 | $0.6 | ✓ | ✓ |
| Mistral Small (latest) | Mistral | 256,000 | $0.15 | $0.6 | ✓ | ✓ |
| Olmo 3 32B Think | OpenRouter | 65,536 | $0.15 | $0.5 | ✓ | |
| Perceptron Mk1 | OpenRouter | 32,768 | $0.15 | $1.5 | ✓ | |
| solar-pro3 | Upstage | 131,072 | $0.15 | $0.6 | ✓ | ✓ |
| Qwen3.6 Flash | Alibaba | 1,000,000 | $0.1875 | $1.125 | ✓ | ✓ |
| Qwen3.5 27B | Alibaba | 262,144 | $0.195 | $1.56 | ✓ | ✓ |
| Qwen3-VL 30B-A3B | Alibaba | 131,072 | $0.2 | $0.8 | ✓ | ✓ |
| Qwen3-VL Plus | Alibaba | 262,144 | $0.2 | $1.6 | ✓ | ✓ |
| GPT-5.4 nano | OpenAI | 400,000 | $0.2 | $1.25 | ✓ | ✓ |
| INTELLECT-3 | OpenRouter | 131,072 | $0.2 | $1.1 | ✓ | ✓ |
| Step 3.7 Flash | OpenRouter | 256,000 | $0.2 | $1.15 | ✓ | ✓ |
| DeepSeek V3.1 | OpenRouter | 163,840 | $0.21 | $0.79 | ✓ | ✓ |
| DeepSeek V3.2 | OpenRouter | 128,000 | $0.2288 | $0.3432 | ✓ | ✓ |
| Gemini 3.1 Flash Lite | 1,048,576 | $0.25 | $1.5 | ✓ | ✓ | |
| Gemini 3.1 Flash Lite Preview | 1,048,576 | $0.25 | $1.5 | ✓ | ✓ | |
| Mercury 2 | Inception | 128,000 | $0.25 | $0.75 | ✓ | ✓ |
| Mercury Edit 2 | Inception | 128,000 | $0.25 | $0.75 | ✓ | |
| MiniMax-M2.7 | MiniMax (minimaxi.com) | 204,800 | $0.25 | $1 | ✓ | ✓ |
| GPT-5 Mini | OpenAI | 400,000 | $0.25 | $2 | ✓ | ✓ |
| GPT-5.1 Codex mini | OpenAI | 400,000 | $0.25 | $2 | ✓ | ✓ |
| Trinity Large Thinking | OpenRouter | 262,144 | $0.25 | $0.8 | ✓ | ✓ |
| Seed 1.6 | OpenRouter | 262,144 | $0.25 | $2 | ✓ | ✓ |
| Seed-2.0-Lite | OpenRouter | 262,144 | $0.25 | $2 | ✓ | ✓ |
| solar-pro2 | Upstage | 65,536 | $0.25 | $0.25 | ✓ | ✓ |
| MiniMax-M2 | MiniMax (minimaxi.com) | 196,608 | $0.255 | $1 | ✓ | ✓ |
| Qwen Plus | Alibaba | 1,000,000 | $0.26 | $0.78 | ✓ | ✓ |
| Qwen3.5 122B-A10B | Alibaba | 262,144 | $0.26 | $2.08 | ✓ | ✓ |
| Qwen Plus 0728 (thinking) | OpenRouter | 1,000,000 | $0.26 | $0.78 | ✓ | ✓ |
| Qwen3 VL 235B A22B Thinking | OpenRouter | 131,072 | $0.26 | $2.6 | ✓ | ✓ |
| Qwen3.5 Plus 2026-02-15 | OpenRouter | 1,000,000 | $0.26 | $1.56 | ✓ | ✓ |
| DeepSeek V3.1 Terminus | OpenRouter | 163,840 | $0.27 | $0.95 | ✓ | ✓ |
| DeepSeek V3.2 Exp | OpenRouter | 163,840 | $0.27 | $0.41 | ✓ | ✓ |
| Qwen3.6 27B | Alibaba | 262,144 | $0.2885 | $3.17 | ✓ | ✓ |