OpenAI releases GPT-6 Sol and Luna for agentic work at lower cost
OpenAI released GPT-6 Sol and GPT-6 Luna in its API, ChatGPT Work and Codex. The company reports stronger long-horizon coding, professional-work and computer-use evaluations than their GPT-5.6 predecessors while halving listed API prices. The models extend GPT-6-class agent capability to more routine and high-volume workflows, though benchmark results do not establish real-world loss of control.
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Why it moved the index
Released, lower-cost models with stronger reported multistep coding and computer-use performance widen access to consequential autonomous work. Official API availability and pricing are directly verified; benchmark gains are mostly vendor-reported and do not imply an observed control failure.
Assessment history
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R1
Toward 58 · confidence 80
First dated public release and exact API availability for both GPT-6 versions.
23 Sept 2026
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DoomBench assesses “OpenAI releases GPT-6 Sol and Luna for agentic work at lower cost” as evidence moving toward doom, with magnitude 58 and confidence 80 out of 100 in the capability gains category.
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The DoomBench assessment of “OpenAI releases GPT-6 Sol and Luna for agentic work at lower cost” is based on reporting from OpenAI Developer Community and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “OpenAI releases GPT-6 Sol and Luna for agentic work at lower cost” as follows: OpenAI released GPT-6 Sol and GPT-6 Luna in its API, ChatGPT Work and Codex. The company reports stronger long-horizon coding,...
https://www.doombench.com/news/openai-releases-gpt-6-sol-and-luna-for-agentic-work-at-lower-cost-2026-09-22