GPT-4.1 Mini is a mid-sized variant in OpenAI's GPT-4.1 family of large language models, designed to offer a strong balance of performance, speed, and cost-efficiency. It delivers performance that matches or even exceeds the previous GPT-4o model on many benchmarks, including instruction following and vision-related tasks such as interpreting charts and diagrams.

Want to use GPT-4.1 mini? Try this OpenAI model for free on HIX AI! See how GPT-4.1 mini can offer a strong balance of performance, speed, and cost-efficiency.

GPT-4.1 mini

GPT-4.1 mini : Try This Mid-Sized GPT-4.1 Model for Free | HIX AI

Claude Sonnet 4 is an AI model developed by Anthropic as part of the Claude 4 family. It is designed primarily for software development and general-purpose AI tasks. Sonnet 4 is optimized for efficiency, responsiveness, and cost-effectiveness, making it well-suited for high-volume production workloads such as code reviews, bug fixes, feature development, and customer-facing AI agents.

Need to access Claude Sonnet 4 freely? Chat with this powerful Anthropic model for free on HIX AI to solve your code problems.

Claude Sonnet 4

Claude Sonnet 4: Access This Claude Model for Free

Gemini 2.5 Flash is a state-of-the-art multimodal AI model developed by Google DeepMind, designed for speed, scale, and affordability in real-time applications. It is part of the Gemini 2.5 family of models and represents a significant upgrade over its predecessor, Gemini 2.0 Flash, particularly in reasoning capabilities and efficiency.

Enjoy the speed and affordability of Gemini 2.5 Flash. Get access to the Gemini 2.5 Flash model for free on HIX AI! No signup required.

Gemini 2.5 Flash

Gemini 2.5 Flash: Chat with This Google Model Free | HIX AI

Start free AI chat on HIX AI with all the cutting-edge AI language models. Chat with all these AI models for free without login.

DeepSeek-R1

Free AI Chat | Home | HIX AI

DeepSeek-V3 is a powerful large language model that utilizes a Mixture-of-Experts (MoE) architecture. It boasts 671 billion total parameters, with 37 billion activated for each token, making it highly efficient and capable. It excels in tasks such as coding, mathematics, reasoning, and content creation.

Try DeepSeek-V3 on HIX.AI for free. Chat with this advanced DeepSeek model and experience its capabilities in coding, reasoning and content creation.

DeepSeek-V3

DeepSeek-V3 - Try for Free - No Login Required | HIX.AI

Claude 3.7 Sonnet is a hybrid reasoning model developed by Anthropic. This model can self-reflect before providing the answers. It is designed to provide both rapid responses and extended, step-by-step thinking, making it versatile for a wide range of tasks, such as coding, data analysis and content generation.

Try Claude 3.7 Sonnet for free without login on HIX.AI. Discover the capabilities of Claude 3.7 Sonnet and how this hybrid reasoning model can help with a wide range of tasks.

Claude 3.7 Sonnet

Claude 3.7 Sonnet - Try for Free with No Signup | HIX.AI

OpenAI o3-mini is a smaller and more efficient version of the OpenAI o3 model, which is a new series of reasoning models developed by OpenAI. It is designed to spend more time thinking before responding to complex tasks and problems in science, coding, and math. 

Explore OpenAI o3-mini on HIX Chat, the newest AI model designed for complex reasoning tasks. Use OpenAI o1-mini online for free with no signup required, and experience its capabilities in STEM, coding, and more.

OpenAI o3-mini

OpenAI o3-mini - Use Online for Free - No Signup | HIX AI

Claude 3.5 Haiku is a new addition to Anthropic's AI model lineup that promises significant enhancements in performance while maintaining affordability and speed. Designed to match the capabilities of the previous largest model, Claude 3 Opus, 3.5 Haiku excels particularly in coding tasks, achieving a score of 40.6% on the SWE-bench Verified benchmark.

Discover Claude 3.5 Haiku, the latest AI model from Anthropic, offering enhanced performance, rapid response times, and superior coding capabilities.

Claude 3.5 Haiku

Claude 3.5 Haiku - (Free & No Signup) | HIX AI

OpenAI o1-mini is a smaller and more efficient version of the OpenAI o1 model, which is a new series of reasoning models developed by OpenAI. It is designed to spend more time thinking before responding to complex tasks and problems in science, coding, and math. 

Explore OpenAI o1-mini on HIX Chat, the newest AI model designed for complex reasoning tasks. Use OpenAI o1-mini online for free with no signup required, and experience its capabilities in STEM, coding, and more.

OpenAI o1-mini

OpenAI o1-mini - Use Online for Free - No Signup | HIX AI

Gemini 2.5 Pro is Google's advanced AI model designed specifically for complex and reasoning-intensive tasks. It is a "thinking model" that integrates advanced reasoning capabilities as a core function rather than as an add-on, enabling it to analyze, reason, and solve problems with greater depth and accuracy than previous Gemini models.

Chat with Gemini 2.5 Pro, a Google's model designed for complex and reasoning-intensive tasks. Try Gemini 2.5 Pro for free on HIX AI now!

Gemini 2.5 Pro

Gemini 2.5 Pro: Try This Google Gemini Model Free | HIX AI

Grok 3 is an advanced multimodal AI model developed by Elon Musk’s startup, xAI, released in February 2025. It is designed to provide superior reasoning, coding, and real-time knowledge retrieval capabilities.

Grok 3 is an advanced multimodal AI model developed by Elon Musk’s startup, xAI. Try Grok-3 for free with no login required on HIX AI.

Grok-3

Grok-3 - Try This Model for Free With No Login Required | HIX AI

OpenAI o4-mini is a smaller, highly efficient generative pre-trained transformer (GPT) model released by OpenAI on April 16, 2025. It is designed to deliver fast, cost-effective reasoning with remarkable performance, especially in math, coding, and visual tasks such as analyzing images, sketches, and diagrams.

Try OpenAI o4-mini on HIX AI now! It's free to try and no signup is required. See how OpenAI o4-mini can help you handle math, coding and visual tasks fast.

OpenAI o4-mini

OpenAI o4-mini - Free to Try - No Signup | HIX AI

Grok-2 is an advanced AI model developed by Elon Musk's company xAI, offering features like text generation, image creation, and real-time information access. Essentially, it's a powerful language model with capabilities to understand both text and visuals, allowing users to interact with it through various prompts and queries.

Chat with Grok-2 on HIX.AI. Discover the capabilities of this xAI's model for free without login required.

Grok-2

Grok-2: Chat with Grok-2 for Free with No Login | HIX.AI

OpenAI o3 is OpenAI's most advanced reasoning large language model released in April 2025, designed to excel at complex tasks across multiple domains such as coding, mathematics, science, and visual perception. It is a successor to the earlier OpenAI o1 model and represents a significant leap in AI capabilities, particularly in logical reasoning and multi-step problem-solving.

Try OpenAI o3 on HIX AI for free with no login required. OpenAI o3 excels in logical reasoning and problem-solving in coding, math, and visual perception.

OpenAI o3

OpenAI o3 - Try It for Free - No Login Required | HIX AI

GPT-4.1 is an advanced large language model family in OpenAI's GPT series, officially released on April 14, 2025. It represents a significant evolution over previous GPT-4 era models, with major improvements in coding ability, instruction following, and long-context understanding.

Looking for free and login-free access to GPT-4.1? Try it on HIX AI. Explore GPT-4.1's capabilities in coding, instruction following, and long-context understanding.

GPT-4.1

GPT-4.1: Access GPT-4.1 Free with No Login | HIX AI

Claude Opus 4 is Anthropic's advanced AI model designed primarily as the world's best coding model. It comes with exceptional capabilities in complex, long-running tasks and sophisticated AI agent workflows. Claude Opus 4 excels in advanced reasoning, coding, agentic search, and creative writing, making it a versatile tool for engineering and business challenges.

Claude Opus 4 excels in advanced reasoning, coding, agentic search, and creative writing. Try Claude Opus 4 on HIX AI for free with no signup required.

Claude Opus 4

Claude Opus 4: Use Claude Opus 4 for Free with No Login | HIX AI

GPT-4o (the "o" means "omni") is a state-of-the-art multimodal large language model developed by OpenAI and released on May 13, 2024. It builds upon the success of the GPT family of models and introduces several advancements in comprehensively understanding and generating content across different modalities. It can natively understand and generate text, images, and audio, enabling more intuitive and interactive user experiences.

Experience the power of GPT-4o for free, with no login required. Engage in intelligent conversations with ChatGPT-4o. And unlock your creativity with the cutting-edge GPT-4o.

GPT-4o

GPT-4o Free - Use ChatGPT 4o for Free - No Login | HIX AI

GPT-4o mini is a smaller version of OpenAI's flagship GPT-4o mode. It excels in reasoning tasks involving both text and vision, outperforming competitors like Gemini 1.5 Flash and Claude 3 Haiku. It has a more cost-efficient pricing than GPT-3.5.

Discover our GPT-4o mini chatbot, offering fast, accurate responses for all your queries. Experience enhanced reasoning capabilities, all for free with no signup required.

GPT-4o mini

GPT-4o mini - (Free & No Signup) | HIX AI

HIX AIで、最先端のAI言語モデルを使った無料AIチャットを始めましょう。ログイン不要で、これらのAIモデルと無料でチャットできます。

今すぐAIチャットを始めよう！