As of June 2025, the AI chatbot market is rapidly expanding with diverse options available. This article provides a fact-based comparison of the latest features, strengths, and weaknesses of five leading AI chatbots (ChatGPT, Claude, Gemini, Perplexity, DeepSeek), referencing official June 2025 announcements and verified reviews.
1. ChatGPT (OpenAI)
Currently running GPT-5 version as of June 2025, maintaining its position as the world's most widely used AI chatbot.
- Strengths: Largest training dataset, supports 138 languages, easy API integration
- Weaknesses: Increased subscription cost ($25/month), limited real-time information retrieval
- Latest update: Enhanced multimodal input (simultaneous image+text processing)
According to OpenAI's official blog, it reached 320 million monthly active users as of May 2025 (Source: OpenAI official report).
2. Claude (Anthropic)
Anthropic's flagship product advocating ethical AI, with Claude 3.5 as its main version in 2025.
- Strengths: Superior long-text processing (up to 150K tokens), generous free plan
- Weaknesses: Relatively weaker creative content generation
- Key feature: Achieved 92% Korean language accuracy as of April 2025 (Anthropic performance report)
3. Gemini (Google)
Google's next-gen AI currently serving Gemini Ultra 2.0 version in 2025.
- Strengths: Perfect integration with Google Search, top-tier real-time information accuracy
- Weaknesses: Slower complex query processing, some feature restrictions in European regions
- Recent development: Completed full Google Workspace integration in May 2025
4. Perplexity AI
Search-focused AI assistant gaining attention with its 2025 Pro version.
- Strengths: Accurate source citation, excellent academic research support
- Weaknesses: Limited conversational interaction, restricted free version features
- Notable fact: Maintains database of over 30 million academic papers as of 2025
5. DeepSeek (China)
The most globalized Chinese AI model, currently offering DeepSeek-V3 as its latest version in 2025.
- Strengths: Exceptional Chinese language processing, outstanding free model performance
- Weaknesses: Relatively limited Western data, avoids political questions
- Latest data: Holds 18% Asian market share as of March 2025 (Source: Counterpoint Research)
Comprehensive Comparison & Selection Guide
Recommended use cases for each AI chatbot as of June 2025:
- Creative work: ChatGPT > Claude > Gemini
- Research/Academics: Perplexity > DeepSeek > Gemini
- Business integration: Gemini > ChatGPT > Claude
- East Asian languages: DeepSeek > ChatGPT > Gemini
All comparisons are based on official information available until June 10, 2025. As continuous updates are being made, please check each company's official website for the latest information.
Disclaimer: This analysis has no promotional or disparaging intent toward specific products. Actual user experience may vary. Updates released after June 2025 are not reflected - please verify with official sources.