{"slug": "20-price-reduction-for-gpt-5-6-sol", "title": "20% price reduction for GPT 5.6 Sol", "summary": "OpenAI has cut API and credit pricing for its GPT-5.6 Sol model by over 20% for three months, with input dropping from $5.00 to $4.00 per million tokens, cached input from $0.50 to $0.40, and output from $30.00 to $20.00, effective through at least November 21, 2026. The price reduction applies to the API and eligible ChatGPT Work and Codex credits, while Pro, Plus, and Business subscription pricing remains unchanged.", "body_md": "[VeitB](https://community.openai.com/u/VeitB)\n1\nAs we continue to push the frontier of capabilities while improving efficiency, we’re dropping API and credit pricing of GPT-5.6 Sol by over 20% for the next 3 months.\n\nNow available on the API and rolling out across eligible plans for ChatGPT Work and Codex credits.\n\nPro, Plus, and Business subscription usage remains unchanged.\n\n[_j](https://community.openai.com/u/_j)\n3\nSol now costs over 20% less, (Terra costs 20% less, and Luna costs 80% less.)\n\n- Sol’s promotional pricing is available at least through November 21, 2026.\n\nGPT-5.6 API pricing changes - July 30 + Sol promo Aug 21 - Nov 21+\n\nPrices are in USD per 1 million tokens. *New for “Sol” is the promotional price reduction*\n\n| Model |\nInput — Old |\nInput — New |\nCached — Old |\nCached — New |\nOutput — Old |\nOutput — New |\n| GPT-5.6 Sol |\n$5.00 |\n$4.00 |\n$0.50 |\n$0.40 |\n$30.00 |\n$20.00 |\n| GPT-5.6 Terra |\n$2.50 |\n**$2.00** |\n$0.25 |\n**$0.20** |\n$15.00 |\n**$12.00** |\n| GPT-5.6 Luna |\n$1.00 |\n**$0.20** |\n$0.10 |\n**$0.02** |\n$6.00 |\n**$1.20** |", "url": "https://wpnews.pro/news/20-price-reduction-for-gpt-5-6-sol", "canonical_source": "https://community.openai.com/t/20-price-reduction-for-gpt-5-6-sol-api-codex-credits-and-chatgpt-work/1391726", "published_at": "2026-08-22 01:15:20+00:00", "updated_at": "2026-08-22 01:43:30.604412+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products", "ai-infrastructure"], "entities": ["OpenAI", "GPT-5.6 Sol", "GPT-5.6 Terra", "GPT-5.6 Luna", "ChatGPT Work", "Codex"], "alternates": {"html": "https://wpnews.pro/news/20-price-reduction-for-gpt-5-6-sol", "markdown": "https://wpnews.pro/news/20-price-reduction-for-gpt-5-6-sol.md", "text": "https://wpnews.pro/news/20-price-reduction-for-gpt-5-6-sol.txt", "jsonld": "https://wpnews.pro/news/20-price-reduction-for-gpt-5-6-sol.jsonld"}}