Ultra-low-cost reasoning model rivaling frontier performance
Updated means this listing was last refreshed on May 3, 2026.
DeepSeek V4 delivers frontier-level reasoning at a fraction of the cost. Open-source with free web access and extremely affordable API pricing.
87.6% SWE-bench — the strongest coding model available
OpenAI's latest fully retrained foundation model with parallel reasoning
The world's most popular AI assistant — now powered by GPT-5.5
StudyBuddy
AI tool for summarizing documents and generating study aids like flashcards and quizzes.
Deep Swap AI
Create hyperrealistic video montages by replacing any face. This AI deals with complex angles and expressions for virtually undetectable results, both in photos and animated clips.
Voicenotes
AI voice recorder that transcribes, summarizes, and organizes your spoken notes
Wispr Flow
AI voice-to-text that types anywhere on your computer as you speak
Free
Web/app access, full model
API
Ultra-low cost per token
DeepSeek V4 Alternatives
Compare top alternatives to DeepSeek V4
Claude Opus 4.7
87.6% SWE-bench — the strongest coding model available
GPT-5.5
OpenAI's latest fully retrained foundation model with parallel reasoning
Gemini 3.1 Ultra
Google's 2M-token multimodal model across text, image, audio, and video
All AI Chat & Assistants Tools
Browse the full AI Chat & Assistants directory
Best AI Chat & Assistants Tools
Curated top picks