Astra is also available on OpenRouter now, see here for the standard reasoning mode -> openrouter.ai/openai/gpt-6...
openrouter.ai
GPT-6 Astra - API Pricing & Benchmarks
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. $10 per million input tokens, $50 per million output tokens. 1,050,000 token context window, maximum output of 128,000 tokens. Hig...