.10/.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 So" /> .10/.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 So" /> .10/.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 So" /> .10/.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 So","url":"https://digimora.store/blog/openai-releases-gpt-6-sol-and-luna-50-cheaper-api-pricing-and-benchmarks-196b374c30"}

OpenAI Releases GPT-6 Sol and Luna: 50% Cheaper API Pricing and Benchmarks

OpenAI has released GPT-6 Sol and GPT-6 Luna, 2 lower-cost models trained with methods similar to GPT-6 Astra. Sol costs $2/$10 and Luna $0.10/$0.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 So

OpenAI has released GPT-6 Sol and GPT-6 Luna, 2 lower-cost models trained with methods similar to GPT-6 Astra. Sol costs $2/$10 and Luna $0.10/$0.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 Sol and Luna: 50% Cheaper API Pricing and Benchmarks appeared first on MarkTechPost.

This article is syndicated as a credited excerpt from **Marktech**.

OpenAI has released GPT-6 Sol and GPT-6 Luna, 2 lower-cost models trained with methods similar to GPT-6 Astra. Sol costs $2/$10 and Luna $0.10/$0.50 per 1M tokens. Both are available now in the API, ChatGPT Work and Codex. They come with improved prompt caching for long-running agents. The post OpenAI Releases GPT-6 Sol and Luna: 50% Cheaper API Pricing and Benchmarks appeared first on MarkTechPost.

[Read the complete original article](https://www.marktechpost.com/2026/09/22/openai-releases-gpt-6-sol-and-luna-50-cheaper-api-pricing-and-benchmarks/)