OpenAI's developer documentation lists three ways to build agents: the Agents API, Agents SDK, and Responses API. With the ...

On September 22, 2026, OpenAI added Sol and Luna to the GPT-6 family. For standard processing under 272K tokens, the API unit ...

OpenAI has expanded its GPT-6 model family with the launch of GPT-6 Sol and GPT-6 Luna, bringing features from its flagship GPT-6 Astra model to cheaper ...

OpenAI cut GPT-6 API prices in half with two new models. Here is what cheaper AI tools for business change about what founders can build. The post AI Tools for Business Get Cheaper as OpenAI Cuts API ...

The models bring capabilities from flagship GPT-6 Astra to professional work, coding, automation, and computer-use tasks.

GPT-6 Astra remains OpenAI’s model for computer-use tasks, while Sol and Luna reduce the cost of computer-use workloads ...

OpenAI launches GPT-6 Sol and Luna, lower-cost models priced from $0.10 per million input tokens with caching upgrades.

OpenAI launches GPT-6 Sol and Luna today with API prices 50% below GPT-5.6 promotional rates, plus access through ChatGPT ...

GPT-6 Sol and Luna arrive less than three months after GPT-5.6, with OpenAI claiming major accuracy gains, dramatic cost ...

You'd be forgiven for thinking OpenAI was watching the clock. Just 90 minutes after Anthropic rolled out an upgraded Opus 5.5 ...

OpenAI introduced GPT-6 Sol and GPT-6 Luna on September 22, 2026, expanding the GPT-6 model family it launched with GPT-6 ...