GPT-6.1 Sol API: Near-Astra Performance at a Lower Cost
OpenAI GPT-6.1 Sol brings near-Astra performance for coding, computer use, and professional work at $2/$10 per million tokens with a 1.05M context window.
OpenAI GPT-6.1 Sol brings near-Astra performance for coding, computer use, and professional work at $2/$10 per million tokens with a 1.05M context window.
GPT-6 Luna is the fast, cost-efficient tier of the GPT-6 series on the Felo API, at $0.10 per million input tokens. Here is what that buys across classification, extraction, chat, and subagent workloads.
GPT-6 Sol sits between the Astra flagship and the Luna fast tier at $2 per million input tokens. Here is the arithmetic of the middle rung, and the routing pattern that gets flagship outcomes without flagship spend.
GPT-6 Sol is live in Felo Search: 1.05M context at $2/$10 per million tokens, the mid-tier built for the agent loops AI search depends on.
GPT-6 Luna is live in Felo Search: 1.05M context and frontier-class reading at $0.10 per million input tokens, the cheapest tier in the GPT-6 family.
OpenAI quietly published a full prompting guide for GPT Image 2.5. Here is what it actually says: model choice, parameter discipline, 8 rules, 12 techniques.
OpenAI's GPT-6 Astra arrives in Felo Search: ten open math problems solved, the first Critical cybersecurity rating, and a 91.5% jailbreak refusal rate.
GPT-5.6 Sol brings a new max reasoning effort, ultra mode subagents, and record agentic coding performance to Felo AI. Felo Pro subscribers try it free for 7 days.
GPT-5.6 Sol is the flagship tier of OpenAI's GPT-5.6 family, built for deep reasoning and agentic coding. Felo Pro subscribers try it free for 7 days.
OpenAI's GPT-5.6 family — Sol, Terra, and Luna — brings stronger reasoning and a 400K token context window. Felo Pro subscribers try it free for 7 days.