🧠 Reasoning

Models with extended thinking and reasoning capabilities. 58 models.

A

Anthropic: Claude 3 Opus

Anthropic

Anthropic's most intelligent model with best-in-market performance on highly complex tasks. Navigates open-ended prompts and sight-unseen scenarios with remarkable fluency and human-like understanding...

Vision Tools Reasoning
A

Anthropic: Claude Opus 4.1

Anthropic

Hybrid reasoning model pushing frontier for coding and AI agents with extended thinking capabilities. Achieves 74.5% on SWE-bench Verified with 32K max output tokens.

Vision Tools Reasoning
A

Claude Opus 4

Anthropic

Claude Opus 4 is benchmarked as the world's best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in software...

Tools Reasoning Vision
A

Claude Sonnet 4

Anthropic

Claude Sonnet 4 represents a significant upgrade from its predecessor, Claude Sonnet 3.7, with particular strength in coding and reasoning tasks. The model achieves state-of-the-art performance on SWE...

Vision Tools Streaming Reasoning Files
D

DeepSeek: Reasoner

DeepSeek

DeepSeek's specialized reasoning model designed for complex problem-solving, mathematical proofs, and logical analysis. Features extended thinking capabilities for step-by-step reasoning.

Streaming Reasoning
G

Google: Gemini 2.0 Pro Experimental

Google

An experimental version of Gemini 2.0 Pro offering higher capability than Flash variants. Designed for complex tasks requiring advanced reasoning, coding, and multimodal understanding.

Vision Tools Streaming Reasoning
G

Google: Gemini 2.0 Pro Experimental 02-05

Google

A dated experimental version of Gemini 2.0 Pro from February 5, 2025. Provides high-capability performance for complex tasks with a specific model checkpoint.

Vision Tools Streaming Reasoning
G

Google: Gemini 2.5 Pro

Google

Google's high-capability model for complex reasoning and coding. Features adaptive thinking and a 1 million token context window, designed for complex agentic and multimodal challenges. Gemini 2.5 Pro...

Vision Tools Streaming Reasoning
G

Google: Gemini 2.5 Pro Preview 03-25

Google

A dated preview version of Gemini 2.5 Pro from March 25, 2025. Provides access to advanced capabilities with a fixed model checkpoint for reproducibility.

Vision Tools Streaming Reasoning
G

Google: Gemini Pro Latest

Google

The latest stable version of Gemini Pro, automatically updated to the most recent stable release. Provides high-capability performance for complex tasks.

Vision Tools Reasoning
G

Groq: GPT-OSS 120B

Groq

OpenAI's flagship open-weight language model with 120 billion parameters, hosted on Groq infrastructure. Features built-in browser search and code execution capabilities with reasoning.

Reasoning
O

OpenAI: GPT-4

OpenAI

OpenAI's flagship model with advanced reasoning and problem-solving capabilities. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning c...

Tools Streaming Reasoning
O

OpenAI: GPT-4 (June 13, 2023)

OpenAI

Specific version of GPT-4 from June 2023 with enhanced instruction following. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capab...

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo

OpenAI

Faster variant of GPT-4 with extended context window and lower cost. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities f...

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo (April 2024)

OpenAI

April 2024 version of GPT-4 Turbo with updated knowledge cutoff. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for c...

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo Preview

OpenAI

Preview of GPT-4 Turbo with early access to new features. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex ...

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo Preview (January 2024)

OpenAI

Latest GPT-4 Turbo variant with expanded context window and improved capabilities. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning ...

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo Preview (November 2023)

OpenAI

GPT-4 Turbo with 128K context window for processing large documents. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities f...

Tools Streaming Reasoning
O

OpenAI: GPT-4.1

OpenAI

Enhanced version of GPT-4 with improved reasoning and multimodal capabilities. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capa...

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4.1 (April 2025)

OpenAI

Latest GPT-4.1 variant with current knowledge cutoff. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex prob...

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o (August 2024)

OpenAI

August 2024 update with improved performance. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex problem-solv...

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o (May 2024)

OpenAI

Initial release of GPT-4o optimized model. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex problem-solving...

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o (November 2024)

OpenAI

Latest GPT-4o with updated knowledge and improved capabilities. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for co...

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o Audio Preview

OpenAI

Preview of GPT-4o with audio processing capabilities. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex prob...

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o Audio Preview (October 2024)

OpenAI

October release of audio-enabled GPT-4o preview. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex problem-s...

Vision Tools Streaming Reasoning
O

OpenChat 3.5 7B (Free)

Openchat

OpenChat is a library of open-source language models fine-tuned with C-RLFT, a strategy inspired by offline reinforcement learning. The model is trained on mixed-quality data without preference labels...

Reasoning Vision
O

OpenAI: GPT-3.5 Turbo

Openrouter

OpenAI: GPT-3.5 Turbo is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-3.5 Turbo 16k

Openrouter

OpenAI: GPT-3.5 Turbo 16k is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-3.5 Turbo Instruct

Openrouter

OpenAI: GPT-3.5 Turbo Instruct is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4

Openrouter

OpenAI: GPT-4 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo

Openrouter

OpenAI: GPT-4 Turbo is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4 Turbo Preview

Openrouter

OpenAI: GPT-4 Turbo Preview is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4.1

Openrouter

OpenAI: GPT-4.1 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4.1 Mini

Openrouter

OpenAI: GPT-4.1 Mini is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4.1 Nano

Openrouter

OpenAI: GPT-4.1 Nano is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-4o

Openrouter

OpenAI: GPT-4o is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o (2024-05-13)

Openrouter

OpenAI: GPT-4o (2024-05-13) is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o (2024-08-06)

Openrouter

OpenAI: GPT-4o (2024-08-06) is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o (2024-11-20)

Openrouter

OpenAI: GPT-4o (2024-11-20) is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o-mini

Openrouter

OpenAI: GPT-4o-mini is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Vision Tools Streaming Reasoning
O

OpenAI: GPT-4o-mini (2024-07-18)

Openrouter

OpenAI: GPT-4o-mini (2024-07-18) is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Vision Tools Streaming Reasoning
O

OpenAI: GPT-5

Openrouter

OpenAI: GPT-5 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5 Mini

Openrouter

OpenAI: GPT-5 Mini is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5 Nano

Openrouter

OpenAI: GPT-5 Nano is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5 Pro

Openrouter

OpenAI: GPT-5 Pro is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5.1

Openrouter

OpenAI: GPT-5.1 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5.1-Codex

Openrouter

OpenAI: GPT-5.1-Codex is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5.1-Codex-Max

Openrouter

OpenAI: GPT-5.1-Codex-Max is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5.1-Codex-Mini

Openrouter

OpenAI: GPT-5.1-Codex-Mini is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5.2

Openrouter

OpenAI: GPT-5.2 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: GPT-5.2 Pro

Openrouter

OpenAI: GPT-5.2 Pro is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: o1

Openrouter

OpenAI: o1 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: o1-pro

Openrouter

OpenAI: o1-pro is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: o3

Openrouter

OpenAI: o3 is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: o3 Mini

Openrouter

OpenAI: o3 Mini is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: o3 Pro

Openrouter

OpenAI: o3 Pro is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
O

OpenAI: o4 Mini

Openrouter

OpenAI: o4 Mini is a capable language model available on LangMart via OpenRouter for general-purpose text generation and analysis tasks.

Tools Streaming Reasoning
X

MiMo-V2-Flash (Free)

Xiaomi

MiMo-V2-Flash is an open-source language model developed by Xiaomi featuring a Mixture-of-Experts (MoE) architecture with 309B total parameters and 15B active parameters. It employs hybrid attention m...

Reasoning