LIVE

OPUS 4.8$5 / $25per Mtok

GPT-5.5$5 / $30per Mtok

GEMINI 2.5 PRO$1.25 / $10per Mtok

SONNET 4.6$3 / $15per Mtok

SWE-BENCHleader GPT-5.568.7%

MMLU-PROleader GPT-5.594.2

GPQAleader GPT-5.578.3

AFTAv1.0 whitepaper live at /whitepaper

OPUS 4.8$5 / $25per Mtok

GPT-5.5$5 / $30per Mtok

GEMINI 2.5 PRO$1.25 / $10per Mtok

SONNET 4.6$3 / $15per Mtok

SWE-BENCHleader GPT-5.568.7%

MMLU-PROleader GPT-5.594.2

GPQAleader GPT-5.578.3

AFTAv1.0 whitepaper live at /whitepaper

All systems operational0 AI providers monitored, polled every 2 minutes

Voice Leaderboards

Live rankings for text-to-speech (TTS Arena Elo from human pairwise votes) and speech-to-text (Open ASR Leaderboard WER on LibriSpeech + Common Voice + AMI + GigaSpeech). Companion to /multimodal which is the pricing + spec catalog.

Machine-readable JSON/api/voice-leaderboards

For agents: same data at /api/voice-leaderboards. Free, cached 30 min.