Claude Fable 5.1 has the highest safety refusal rates in both Claude Code and Devin Fusion according to Artificial Analysis data. 2026-09-21
Grok Voice Transcribe 2.0 achieved the #1 position for Final Transcript and First Partial Transcript accuracy on AA-WER Streaming with a Word Error Rate (WER) of 2.7% at 0.49 seconds after speech offset. 2026-09-21