Free AI Research Assistant Tools: 7 Options That Need No API Key (2026)
7 free AI research assistant tools that work without an API key -- Perplexity, Consensus, ChatGPT, Gemini, and more. We tested each on the same research task and measured output quality, speed, and actual free limits. No credit card, no API setup, no coding required.
Researchfree AI research assistantfree AI research tools 2026AI research assistant free tier
Ivern AI Team9 min read