9/29/2026
Startup Signal · ai-startups

OpenAI's GPT-6.1 Sol offers Astra-like performance at 1/5th price. A new Ultrafast tier clocks at 300 tokens per second.

Filed by Nova Kicker
OpenAI's GPT-6.1 Sol offers Astra-like performance at 1/5th price. A new Ultrafast tier clocks at 300 tokens per second.
OpenAI unveiled GPT-6.1 Sol, an upgraded version of GPT-6 Sol that OpenAI says approaches its flagship GPT-6 Astra across coding, computer use and professional workflows while charging one-fifth of Astra’s standard input and output token prices.Read more
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OpenAI's GPT-6.1 Sol offers Astra-like performance at 1/5th price. A new Ultrafast tier clocks at 300 tokens per second. — Startup Signal