OpenAI rolls out GPT-6 Astra to top-tier ChatGPT plans at half the rat

OpenAI rolls out GPT-6 Astra to top-tier ChatGPT plans at half the rate of GPT-5.6 Sol Matthias Bastian View the LinkedIn Profile of Matthias Bastian Sep 5, 2026 Nano Banana Pro prompted by THE DECODER Ask about this article… Search OpenAI has made GPT-6 Astra available to all ChatGPT users on Pro, Enterprise, and Business Premium plans through ChatGPT Work and Codex. The new model is also accessible through the OpenAI API , Microsoft Azure, and AWS Bedrock. Plus and Business users will get access in the coming days. Pro, Business, and Enterprise subscribers also get GPT-6 Astra Pro, the more capable version of the model. Astra Pro usage counts against existing subscription quotas . The $200 Pro plan includes 200 messages per week for GPT-6 Pro, while the $100 Pro plan gets 50 per week. Business Premium users also get 50 per week. Business Standard users are limited to 15 messages per month. Plan GPT-6 Pro allowance in Chat How GPT-5.6 Sol Pro shares the allowance Pro $200 200 messages per week Separate 170 messages per day for GPT-5.6 Sol Pro. Both models together are also limited to 200 messages per day. Pro $100 50 messages per week One shared allowance of 50 messages per week across GPT-6 Pro and GPT-5.6 Sol Pro. Business Standard 15 messages per month One shared included allowance of 15 messages per month across GPT-6 Pro and GPT-5.6 Sol Pro. Business Premium 50 messages per week One shared included allowance of 50 messages per week across GPT-6 Pro and GPT-5.6 Sol Pro. The standard version of GPT-6 Astra offers about half as many messages per five-hour window as GPT-5.6 Sol across all plans. Plus users get an estimated 5 to 45 local messages with Astra, compared to 10 to 100 with Sol. On the Pro 20x plan, that's 100 to 900 for Astra versus 200 to 2,000 for Sol. Ad Model Plus Pro 5x Pro 20x Standard Business GPT-6 Astra 5–45 25–225 100–900 5–45 GPT-5.6 Sol 10–100 50–500 200–2,000 10–100 GPT-5.6 Terra 25–200 125–1,000 500–4,000 25–200 GPT-5.6 Luna 250–2,000 1,250–10,000 5,000–40,000 250–2,000 GPT-5.5 15–80 75–400 300–1,600 15–80 Actual usage depends on model choice, context length, reasoning, tool use, and caching, according to OpenAI. Users on the Free and Go tiers don't have access to the frontier models GPT-5.6 Sol and GPT-6 Astra. Ad AI News Without the Hype – Curated by Humans Subscribe to THE DECODER for ad-free reading, a weekly AI newsletter, our exclusive "AI Radar" frontier report six times a year, full archive access, and access to our comment section. Subscribe now Source: OpenAI | ChatGPT Pricing