GPT-6 Luna
OpenAI · Sep 22, 2026
GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and…
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...
openai/gpt-5GPT-5 is an API model from OpenAI, released on Aug 7, 2025, with a context window of 400,000 tokens, pricing of $1.25 per million input tokens and $10 per million output tokens. It accepts file, image, text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.022.
Specs are sourced from OpenRouter and were last checked on Sep 22, 2026. Always confirm current pricing and limits with the provider before production use.
GPT-5 supports a context window of 400,000 tokens.
GPT-5 is listed at $1.25 per million input tokens and $10 per million output tokens on OpenRouter.
GPT-5 was published on Aug 7, 2025.
GPT-5 accepts file, image, text input and produces text output.