AI MODELS 2026
September 2026 brought a wave of frontier launches. Here's what's new.
ANTHROPIC
Launched Sept 22 with EU AI Act text watermarking and stronger cybersecurity safeguards.
OPENAI
Launched the same day as Opus 5.5, pairing a flagship model with a faster, cheaper Luna variant.
Rolled out Sept 2 as a speed-focused multimodal model built for reasoning and long context.
META
Meta Superintelligence Labs shipped this multimodal model Sept 1 with a 1M+ token context window.
XIAOMI
Xiaomi's agentic challenger launched Sept 18, rounding out a month of frontier model releases.