Announcement
OpenAI launches GPT-6.1 Sol, promising near-Astra intelligence at one-fifth of Astra’s standard API input and output token prices
OpenAI says the model improves on GPT-6 Sol in coding, computer use and complex professional work, approaching GPT-6 Astra on several benchmarks. It lists cached input at $0.10 per million tokens.
TLDR
OpenAI introduced GPT-6.1 Sol on September 29, 2026, promising near-Astra intelligence for coding, computer use and professional work at one-fifth of Astra’s standard API input and output token prices. The company says the model approaches GPT-6 Astra on several benchmarks and lists cached input at $0.10 per million tokens. It said the model was available that day to Plus, Pro, Business, Enterprise and Edu users in ChatGPT Work and Codex.
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