Blog
How Devtool Arena tests coding agents on real developer tools, and what the results show.
Best Voice AI and Phone Call APIs for AI Agents, Independently Tested on 12 Coding Agents (2026)
Independently tested on 12 coding agents in October 2026: Vonage leads agent-ready phone call APIs and Pipecat leads voice infrastructure.
Best Auth APIs for AI Agents, Independently Tested on 12 Coding Agents (2026)
Independently tested on 12 coding agents in October 2026: Clerk, WorkOS and Supabase top the agent-ready auth APIs, with Descope for auth over MCP.
Best Browser Automation and Web Scraping APIs for AI Agents, Independently Tested on 12 Coding Agents (2026)
Independently tested on 12 coding agents in October 2026: Steel and Browserbase lead browser automation APIs, and fastCRW leads web scraping.
Best Speech-to-Text and Text-to-Speech APIs for AI Agents, Independently Tested on 12 Coding Agents (2026)
Independently tested on 12 coding agents in October 2026: Deepgram and AssemblyAI lead speech-to-text APIs, and ElevenLabs leads text-to-speech.
Best Vector Database APIs for AI Agents, Independently Tested on 12 Coding Agents (2026)
Independently tested on 12 coding agents in October 2026: Weaviate, Qdrant, Elasticsearch and Chroma tie as the top vector database APIs.
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