# Complex reasoning

Capability · https://godooo.ai/en/capability/reasoning

> Complex reasoning: 26 AI tools in this graph can do it, including Claude, Gemini, DeepSeek, GPT and GPT-4.

Work through hard problems in maths, science and logic step by step.

- **Takes in:** Text
- **Gives out:** Text

## Tools that do it

| Tool | Type | How well | Pricing | Open source | How you run it |
| --- | --- | --- | --- | --- | --- |
| [Claude](https://godooo.ai/en/product/claude) | Product | main job* | Free plan + paid upgrades |  | Web, Desktop, Mobile, API |
| [Gemini](https://godooo.ai/en/product/gemini) | Product | main job* | Free plan + paid upgrades |  | Web, Mobile, API |
| [DeepSeek](https://godooo.ai/en/product/deepseek) | Product | main job* | Free |  | Web, Mobile, API |
| [GPT](https://godooo.ai/en/model/gpt) | Model | main job* |  |  | API, Web |
| [GPT-4](https://godooo.ai/en/model/gpt-4) | Model | main job* |  |  | API, Web |
| [Claude](https://godooo.ai/en/model/claude) | Model | main job* |  |  | Web, Desktop, Mobile, API, In the editor, Terminal |
| [Gemini](https://godooo.ai/en/model/gemini) | Model | main job* |  |  | Web, API, Mobile |
| [DeepSeek-R1](https://godooo.ai/en/model/deepseek-r1) | Model | main job* |  | Yes | Web, API, Self-host, Runs offline |
| [Qwen](https://godooo.ai/en/product/qwen) | Product | main job* | Free |  | Web, Mobile, API, Self-host, Runs offline |
| [GPT-5](https://godooo.ai/en/model/gpt-5) | Model | main job* |  |  | API, Web |
| [o1](https://godooo.ai/en/model/o1) | Model | main job* |  |  | API, Web |
| [Qwen](https://godooo.ai/en/model/qwen) | Model | main job* |  | Yes | Web, API, Self-host, Runs offline |
| [DeepSeek-V3](https://godooo.ai/en/model/deepseek-v3) | Model | main job* |  | Yes | API, Runs offline, Self-host |
| [Grok](https://godooo.ai/en/model/grok) | Model | main job* |  |  | Web, Mobile, API |
| [o3](https://godooo.ai/en/model/o3) | Model | main job* |  |  | API, Web |
| [gpt-oss](https://godooo.ai/en/model/gpt-oss) | Model | main job* |  | Yes | API, Self-host, Runs offline, Terminal |
| [DeepSeek-V2](https://godooo.ai/en/model/deepseek-v2) | Model | main job* |  | Yes | API, Web, Runs offline, Self-host |
| [Mixtral](https://godooo.ai/en/model/mixtral) | Model | main job* |  | Yes | API, Runs offline, Self-host |
| [ChatGPT](https://godooo.ai/en/product/chatgpt) | Product | supported* | Free plan + paid upgrades |  | Web, Desktop, Mobile, API |
| [GPT-4o](https://godooo.ai/en/model/gpt-4o) | Model | supported* |  |  | API, Web, Mobile |
| [Mistral](https://godooo.ai/en/model/mistral) | Model | supported* |  | Yes | API, Self-host, Runs offline |
| [Kimi K2](https://godooo.ai/en/model/kimi-k2) | Model | supported* |  | Yes | API, Self-host, Runs offline |
| [GLM](https://godooo.ai/en/model/glm) | Model | supported* |  | Yes | API, Runs offline, Self-host |
| [ERNIE 文心](https://godooo.ai/en/model/ernie) | Model | supported* |  |  | API, Self-host, Runs offline |
| [Sequential Thinking MCP Server](https://godooo.ai/en/mcp/sequential-thinking) | MCP server | supported* |  | Yes | API, Self-host, Runs offline |
| [Perplexity MCP Server](https://godooo.ai/en/mcp/perplexity) | MCP server | supported* |  | Yes | Self-host, API, Runs offline |

\* proposed by a machine, awaiting calibration

## Questions

### What is Complex reasoning?

Work through hard problems in maths, science and logic step by step. Complex reasoning: 26 AI tools in this graph can do it, including Claude, Gemini, DeepSeek, GPT and GPT-4.

### Which tools are built for “Complex reasoning”?

Claude, Gemini, DeepSeek, GPT, GPT-4, Claude, Gemini and DeepSeek-R1.

### Are there free tools for “Complex reasoning”?

DeepSeek, DeepSeek-R1, Qwen, Qwen, DeepSeek-V3, gpt-oss, DeepSeek-V2 and Mixtral.

### Which open-source tools can do “Complex reasoning”?

DeepSeek-R1, Qwen, DeepSeek-V3, gpt-oss, DeepSeek-V2, Mixtral, Mistral and Kimi K2.

### Which tools for “Complex reasoning” run offline?

DeepSeek-R1, Qwen, Qwen, DeepSeek-V3, gpt-oss, DeepSeek-V2, Mixtral and Mistral.

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Last updated 2026-09-24 · Markdown version of https://godooo.ai/en/capability/reasoning. Every page on this site has one: add .md to its address.