OpenAI and Anthropic trade model releases within a single month

X Freeze @XFreezeOriginally posted 2026.09.29

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“Pace the frontier” lasted about 5 minutes before it turned into a Formula 1 race 😂 It’s like everybody agreed to do the exact opposite Anthropic dropped Fable 5.1 OpenAI dropped Astra 6 Anthropic dropped Opus 5.5 OpenAI dropped 6 Sol and Tera Anthropic dropped Sonnet 5.5 All in the same month Everyone is running at full throttle now...