Free Use Large Language Models List 2025
Please note that the LLM field is evolving at an extremely rapid pace. The specifics regarding models, policies, and limits for time after 2025 may differ, so always refer to the official URLs for the most current information.
1. Major Global Web-Based Models
These are widely accessible models from major international tech companies, known for their robust performance and general-purpose capabilities.
OpenAI - ChatGPT (GPT-3.5)
As one of the most well-known conversational AIs, its free tier is excellent for a wide range of daily tasks, from content creation to code assistance.
- Access URL: https://chat.openai.com
- Free Usage Requirements: Requires registration and login with an OpenAI account (Email/Google/Microsoft/Apple supported).
- Free Usage Limits:
- Model: Access to the GPT-3.5 model.
- Usage: No strict daily message count, but subject to rate limits during peak usage periods.
- Features: Does not include access to the more powerful GPT-4/GPT-4o models, DALL-E 3 image generation, advanced data analysis, web browsing, or custom GPTs.
- Key Strengths: Well-rounded capabilities, user-friendly interface, and a mature ecosystem.
Google - Gemini (Gemini Pro)
Google's powerful competitor, which notably offers its very capable Gemini Pro model for free, with deep integration into the Google ecosystem.
- Access URL: https://gemini.google.com
- Free Usage Requirements: Requires login with a Google account.
- Free Usage Limits:
- Model: Access to the Gemini Pro model.
- Usage: No explicit hard limits for standard chat, but governed by Google's "fair use" policy.
- Features: Does not include access to the top-tier Gemini Advanced model.
- Key Strengths: Strong free model (Gemini Pro), excellent integration with Google services (Docs, Gmail, etc.).
Microsoft - Copilot
Microsoft's AI assistant, which stands out by providing free access to premium models like GPT-4 and GPT-4o, integrated with real-time web search.
- Access URL: https://copilot.microsoft.com (also accessible via Bing, Edge sidebar, and Windows).
- Free Usage Requirements: Limited use without login. Logging in with a Microsoft account unlocks significantly more conversations and features.
- Free Usage Limits:
- Model: Free access to advanced models, including GPT-4 and GPT-4o.
- Usage: High daily conversation limits after login, sufficient for most users.
- Features: Includes free web search and DALL-E 3 image generation (with a "boost" or speed credit system).
- Key Strengths: Provides free access to top-tier models, real-time web search capabilities.
Anthropic - Claude 3
Known for its sophisticated, safe, and ethical response style, Claude excels at handling and analyzing very long documents.
- Access URL: https://claude.ai
- Free Usage Requirements: Requires registration and login (Email/Google supported).
- Free Usage Limits:
- Model: Access to the
Claude 3 SonnetorHaikumodels. - Usage: Free users have a message limit that resets every few hours. The limit is dynamic and depends on current system load. A typical user might get around 30-40 messages per day.
- Features: Does not include access to the most powerful
Claude 3 Opusmodel. Message limits are significantly lower than the paid Pro version.
- Model: Access to the
- Key Strengths: Exceptional long-context window (up to 200K tokens), strong in academic writing, summarization, and code explanation.
2. Other Prominent & Regional Models
This list includes powerful models, many of which are from Chinese tech giants and have a strong focus on Chinese language and specific use cases.
Kimi Chat (Moonshot AI)
A standout model from China, renowned for its massive context window and document analysis capabilities.
- Access URL: https://kimi.moonshot.cn
- Free Usage Requirements: No registration required for unlimited web access.
- Free Usage Limits: Very generous free tier for web use.
- Key Strengths: Exceptional long-text processing (supports up to 200,000 Chinese characters), ideal for document analysis, summarization, and Q&A over large files.
DeepSeek
An open-source model with a powerful, publicly accessible web interface.
- Access URL: https://www.deepseek.com
- Free Usage Requirements: No registration needed for direct web use. API access requires an application but has a generous free quota.
- Free Usage Limits: Generous free access on the web.
- Key Strengths: Strong logical reasoning, supports parsing of large documents (up to 500 pages), and has outstanding code generation capabilities.
Baidu - ERNIE (Qianfan Platform)
Baidu's flagship model, available through its cloud platform with a focus on the Chinese market.
- Access URL: https://cloud.baidu.com/product/wenxin
- Free Usage Requirements: Requires account registration and real-name identity verification.
- Free Usage Limits: The free tier for the
ERNIE-Speedmodel is very generous, often around 300,000 tokens/minute via API. - Key Strengths: Highly optimized for Chinese language tasks, strong multi-task processing.
Tencent - Hunyuan
Tencent's versatile model, accessible via its cloud platform and integrated into its ecosystem.
- Access URL: https://hunyuan.tencent.com
- Free Usage Requirements: Requires login with a WeChat or QQ account.
- Free Usage Limits: The
Hunyuan-Litemodel has a free tier that is typically limited by concurrent requests (e.g., 5 concurrent paths). - Key Strengths: Developer-friendly for small to medium-scale applications, good integration with the Tencent ecosystem.
ByteDance - Coze
A platform from ByteDance that allows users to build and deploy AI bots, offering access to powerful underlying models.
- Access URL: https://www.coze.cn (for China) or https://www.coze.com (global)
- Free Usage Requirements: Requires registration.
- Free Usage Limits: High daily request limits (e.g., 3,000 requests/day).
- Key Strengths: Focuses on combining function/API calls with text generation, making it great for creating specialized bots and agents.
iFlytek - Spark
A model from a leader in Chinese voice recognition and NLP.
- Access URL: https://xinghuo.xfyun.cn
- Free Usage Requirements: Requires a Chinese mobile number for registration.
- Free Usage Limits: The free
Spark-Litemodel has no token limit but is rate-limited (e.g., 2 requests/second). - Key Strengths: Excellent for lightweight NLP tasks, especially in Chinese-language scenarios.
3. Developer-Focused & Local Deployment
Ollama
An open-source framework that allows developers to run powerful LLMs directly on their local machines.
- Access URL: https://ollama.com
- Free Usage Requirements: Completely free. Requires downloading the framework and desired open-source models (like Llama 3, Qwen, DeepSeek, etc.).
- Free Usage Limits: Limited only by your local hardware (RAM, VRAM, CPU/GPU).
- Key Strengths: Maximum privacy and data security as nothing leaves your machine. Highly customizable and ideal for developers building offline-capable applications.
Summary & Recommendations
| Model Name | Access URL | Free Model | Registration Required? | Key Free Usage Limit | Standout Feature |
|---|---|---|---|---|---|
| ChatGPT | chat.openai.com | GPT-3.5 | Yes | Cannot use latest models | Balanced capabilities, mature ecosystem |
| Google Gemini | gemini.google.com | Gemini Pro | Yes (Google Account) | Cannot use top-tier model | Strong free model, Google ecosystem integration |
| Microsoft Copilot | copilot.microsoft.com | GPT-4, GPT-4o | No (Better with login) | Image generation credits | Free access to top-tier models, web search |
| Anthropic Claude | claude.ai | Claude 3 Sonnet/Haiku | Yes | Message count limit | Excellent long-text processing |
| Perplexity AI | perplexity.ai | Proprietary/GPT-3.5 | No (Better with login) | Limited "Pro" searches | Answers with citations, high accuracy |
| Kimi Chat | kimi.moonshot.cn | Proprietary | No | Very generous web use | Exceptional long-document analysis |
| DeepSeek | deepseek.com | DeepSeek-V2 | No (Web) | Very generous web use | Strong logic and coding |
| Baidu ERNIE | cloud.baidu.com/product/wenxin | ERNIE-Speed | Yes (ID verification) | High token/minute rate limit | Optimized for Chinese language |
| Tencent Hunyuan | hunyuan.tencent.com | Hunyuan-Lite | Yes (WeChat/QQ) | Concurrent request limit | Good for app development |
| ByteDance Coze | coze.cn / coze.com | Proprietary | Yes | High daily request limit | Bot/agent creation, function calling |
| iFlytek Spark | xinghuo.xfyun.cn | Spark-Lite | Yes (CN mobile #) | Rate-limited (req/sec) | Strong in Chinese NLP |
| Ollama | ollama.com | Various Open Source | N/A (Local Install) | Limited by local hardware | Maximum privacy, developer control |
This article was written by the author with the assistance of artificial intelligence (such as outlining, draft generation, and improving readability), and the final content was fully fact-checked and reviewed by the author.