AI ranking change · 2026-06-30
Anthropic overtakes OpenAI as Claude's #1 pick
for frontier llm api provider
OpenAI→Anthropic
On 2026-06-30, Claude changed its #1 recommendation for best frontier llm api provider — dropping OpenAI from the top spot in favor of Anthropic. The previous #1 had held since 2026-06-30.
“Frontier-tier reasoning and coding (Claude Opus 4.x / Sonnet 4.6), industry-leading long-context reliability and tool-use/agentic performance, strong safety posture, prompt caching and batch pricing, and a mature SDK plus first-party Claude Code adoption that proves real-world agent reliability”— Claude
Is your product in this race?
frontier LLM API provider rankings re-poll every week. Check where the AI models place your product — and get an email the moment it moves.
Get your AI Visibility Grade →Source: modelsagree.com · CC BY 4.0 · Every poll is public and re-checked continuously.