OpenAI launches GPT-6.1 Sol at one-fifth of Astra's price
OpenAI has released GPT-6.1 Sol, a new model positioned between GPT-6 Sol and its flagship GPT-6 Astra. The company states that GPT-6.1 Sol approaches Astra’s performance in agentic coding, computer use, and professional tasks while costing roughly one-fifth of Astra’s standard token prices. This release targets developers using AI agents for long, multi-step tasks, where repeated context…
Key points
- OpenAI launched GPT-6.1 Sol, priced at $2 per million input tokens and $10 per million output tokens.
- Cached input costs $0.10 per million tokens, 95% cheaper than standard input for GPT-6.1 Sol.
- The model is available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users.
OpenAI lists the API pricing for GPT-6.1 Sol at $2 per million input tokens and $10 per million output tokens. Cached input tokens cost $0.10 per million, which OpenAI notes is 95% cheaper than standard input and 50% cheaper than GPT-6 Sol’s cached rate. This pricing structure is designed to benefit agents that reuse information across multiple requests.
The model is available via the API under the identifier gpt-6.1-sol. It is also accessible in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users. However, OpenAI confirms it is not yet available in the regular Chat interface.
Model pages: GPT-6.1 Sol → · GPT-6 Sol → · GPT-6 Astra →
The story so far
6 episodes →- OpenAI launches GPT-6.1 Sol at one-fifth of Astra's pricethis story
OpenAI launches GPT-6.1 Sol: Near-Astra AI performance at one-fifth the price
wionews.com · 29 September 2026
Loading the full article…
This text was published by wionews.com. It is reproduced here with attribution so you can read it in full; the rights remain with the publisher. Read it at the source ↗
Coverage and discussion
43sources- Hacker News discussion · 243 pointsnews.ycombinator.com
- Hacker News discussion · 49 pointsnews.ycombinator.com
- GPT-6.1 Sol: Near-Astra performance at 1/5 the standard price?? Plus, the AI can now call 'subordinate AIs'Press · note.com ·
- [GPT-6.1 Sol] The newly released Sol has already evolvedPress · note.com ·
- [Breaking News] OpenAI's New Features! 3 Announcements to Power AIPress · note.com ·
- [AINews] not much happened todayNewsletter · Latent Space ·
- Evaluating Codex's New Model GPT-6.1 Sol for Professional Use: Can Plus Users Access It? Is It Smarter? Does It Use Less Quota? We Tested ItPress · note.com ·
- What is the new GPT-6.1 Sol model really like? What I learned from developing Codex with PlusPress · note.com ·
- OpenAI Dev Day Report: Resident Assistant Dots, and GPT-6.1 Soul, 1/5th the Price of AstraPress · note.com ·
- GPT-6.1 Sol Arrives: A New Phase Where Always-On AI Meets SafetyPress · note.com ·
- What is GPT-6.1 Sol? Entering an Era of 'Cheaper and Faster' High-Performance AIPress · note.com ·
- GPT-6.1 Sol is here. Ultimately, how will our use of AI change?Press · note.com ·
- GPT-6.1 Sol Thorough Explanation | Differences, Features, and UsagePress · note.com ·
- OpenAI’s GPT-6.1 Sol Matches Astra Capabilities at Dev Day 2026Press · geeky-gadgets.com ·
- OpenAI Releases GPT-6.1 Sol: Near-Astra Coding and Computer Use at One-Fifth of Astra’s Token PricePress · marktechpost.com ·
- Last Week in AI #345 - 5 new models, 9 misalignment incidents, some DotsNewsletter · Last Week in AI ·
- What makes OpenAI's GPT-6.1 Sol model uniquePress · finance.yahoo.com ·
- GPT-6.1 Sol replaces GPT-6 Sol after just 7 days, with near-Astra intelligencePress · artificialanalysis.ai ·
- OpenAI GPT-6.1 Sol Cuts AI Costs Without Sacrificing Performance: Here's Everything You Need to KnowPress · gizbot.com ·
- I felt GPT-6.1 Sol is 'usable' even on Plus. An AI close to Astra level has suddenly become realisticPress · note.com ·
- GPT-6.1 Sol: Actually, it has evolved in ways more important than just 'intelligence'Press · note.com ·
- OpenAI unveils Dots and GPT-6.1 Sol at DevDayPress · forklog.com ·
- GPT-6.1 Sol vs GPT-6 Astra: Is OpenAI's Cheaper Model Actually Better?Press · ibtimes.sg ·
- What are the differences between GPT-6 Astra, Sol, and Luna? Understanding usage by purpose based on the latest informationPress · note.com ·
- Bring near-Astra intelligence to everyday work with GPT-6.1 Sol on Amazon BedrockPrimary source · AWS Machine Learning Blog ·
- How GPT-6.1 Sol Changes AI Economics: The Era of Using Intelligence Approaching Astra at One-Fifth the CostPress · note.com ·
- [Effective for AI Subscription Hesitation] "GPT-6.1 Sol" runs at less than half the price of Opus 5.5. OpenAI DevDay 2026 was incrediblePress · note.com ·
- OpenAI launches GPT-6.1 Sol, says it nearly matches GPT-6 Astra and costs lessPress · TechCrunch AI ·
- GPT-6.1 Sol comes close to Astra at a fifth of the pricePress · The Decoder ·
- OpenAI’s GPT-6.1 Sol delivers Astra-like performance at a dramatically lower pricePress · siliconangle.com ·
- GPT-6.1 Sol Released | Astra-level performance at one-fifth the price, available via ChatGPT PlusPress · note.com ·
- OpenAI unveils GPT-6.1 Sol and ‘Dots’ AI agents at DevDayPress · thehindu.com ·
- OpenAI Launches Cheaper AI Model That Nearly Matches Its BestPress · iphoneincanada.ca ·
- OpenAI GPT-6.1 Sol with Astra level AI launched: What’s new, pricing, availability and morePress · digit.in ·
- OpenAI’s new GPT-6.1 Sol gets surprisingly close to Astra at a fraction of the costPress · digitaltrends.com ·
- GPT-6 Sol/Luna Arrives—A Low-Cost Version of the GPT-6 Astra Lineage, Prices Nearly Halved from the Previous GenerationPress · note.com ·
- Sam Altman outlined OpenAI's 3-part plan for dominancePress · businessinsider.com ·
- ChatGPT is now 'unlimited' even for free, while Claude releases new models only for paid plans. What changed in the major September 2026 update?Press · note.com ·
- GPT-6 Sol and Luna Arrive. AI Shifts from the Era of 'Using the Smartest Model' to the Era of 'Choosing the Right Model'Press · note.com ·
- 156 Real-World Examples of How to Use GPT-6 Luna and SolPress · hackernoon.com ·
- OpenAI releases GPT-6.1 Sol, saying it nearly matches Astra on agentic coding and professional work at one-fifth of Astra's standard prices, in Work and CodexPrimary source · openai.com ·
The headline, key points and digest above were generated by Digest AI's editorial model from the linked sources. Automated summaries can contain errors: the sources are the record. Spotted a mistake? Tell us. Published by Martin K., who runs Digest AI and handles corrections.
More in Generative AI & Models
All →- Introducing Mistral Large 4 · 7 src
- OpenAI boosts GPT-6 speed by 50% in 28 Days update · 1 src
- Reflection AI debuts Beam, a 501B open-weight model rivaling GLM 5.2 with 3-4x less compute · 10 src
- Author tests four AI assistants on flawed forecasting scenarios · 1 src
- Anthropic prompts users to share voice data to enhance AI models · 8 src
Comments
via GitHub Discussions