GPT-6 Luna
GPT-6 Luna is an AI model powering OpenAI's Decisions API, which provides fast, structured yes/no or score-based answers. Recent news highlights the API's release in October 2026, noting its low cost and speed for side-hustle checks. Other coverage mentions GPT-6 Astra on BioBasicsBench, but does not define Luna's broader capabilities.
GPT-6 Luna is a language model from OpenAI, first covered on 23 September 2026. It is available through an API. Its context window is 1.05 million tokens.
Last updated
Quick facts
- Who makes GPT-6 Luna?
- GPT-6 Luna is made by OpenAI. OpenAI news →
- When was GPT-6 Luna released?
- The first report of GPT-6 Luna's release that Digest AI covered was published on 23 September 2026.
- What type of model is GPT-6 Luna?
- GPT-6 Luna is a language model.
- What is GPT-6 Luna's context window?
- GPT-6 Luna's context window is 1.05 million tokens.
- Where is GPT-6 Luna available?
- GPT-6 Luna is available through an API. developers.openai.com/api/docs/models/gpt-6-luna ↗
Taken from the coverage, not from our own testing. A question is left out when none of the reports we read gave the answer. All tracked models →
52 stories about GPT-6 Luna
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OpenAI releases BioBasicsBench wet-lab benchmark; GPT-6 Astra scores 66.7% at xhigh
OpenAI published BioBasicsBench, a 100-task benchmark built with biotech firm Ligo to test how well AI agents interpret raw data from routine wet-lab experiments. The tasks cover protein methods, imaging,…
3 sources primary sourceUnite.AIOpenAIaiweekly.co -
GitHub resolves outage affecting Pull Requests and Copilot
GitHub experienced a series of service disruptions in late October and early November 2026, impacting core development tools and AI features. The most recent incident, resolved on November 4, involved degraded…
1 source HN 43githubstatus.com -
Ai2 releases StateBench to test long-context state tracking in models
The Allen Institute for AI (Ai2) introduced StateBench on November 3, 2026, a benchmark designed to measure how language models handle changing variables across long documents. The project includes a four-level dataset…
1 sourceUnite.AI -
User switches to Chinese AI tools due to Gemini and Claude free tier limits
A personal account details a shift from Western AI services to Chinese alternatives due to restrictive free usage limits on Claude and Gemini. The author notes that Claude Sonnet hit session limits during a simple game…
1 sourcenote.com -
OpenAI’s Decisions API speeds side-hustle checks with yes/no answers
OpenAI’s new Decisions API forces AI to answer only yes/no, pick-one, or score-based questions—no vague gray-area responses. Released in October 2026, it runs on gpt-6-luna, costs $0.10 per 1M input tokens (output…
1 sourcenote.com -
GitHub fixes October outages in Actions, Pages, and Webhooks after multiple incidents
GitHub reported a series of outages and degraded performance across Actions, Pages, Webhooks, Copilot models, Dependabot alerts, and Projects in October 2026. The most severe incident on October 19 caused 5.13% of…
1 source HN 48githubstatus.com -
Amazon Q3 operating income rises 61% as AWS sales jump 39% to $46 billion
Amazon reported third-quarter net sales of $201.9 billion, up 12% year over year, with operating income climbing 61% to $28.1 billion. AWS revenue grew 39% to $46.0 billion, reaching a $184 billion annualized run rate,…
7 sourcesfool.comfinance.yahoo.comibtimes.co.ukCNBC Technology +1 more -
ChatGPT evolves from chatbot to general-purpose AI platform
ChatGPT began as a chatbot demo and has grown into a general‑purpose AI platform that can process text, image, and audio inputs and execute multi‑step actions across connected apps. The platform offers features such as…
1 sourceZapier Blog -
Claude Opus 5.5 creates fun browser games with minimal prompting
Simon Willison reports that Claude Opus 5.5 can generate playable and enjoyable browser-based games using simple prompts, with little need for iteration. He built four games in HTML and JavaScript, including a…
1 source HN 34Simon Willison -
OpenAI launches Decisions API for fast, structured AI judgments
OpenAI released the Decisions API on October 22, 2026, designed for quick, structured AI decisions rather than long-form text. It returns predefined answers—probabilities, choices, or scores—in fixed formats like JSON,…
1 sourcenote.com -
AutomationBench joins Fireworks' Specialized Intelligence Index
AutomationBench has joined Fireworks' Specialized Intelligence Index, expanding a collection of practitioner-built benchmarks that evaluate AI models on real business workflows. The benchmark, built on patterns from…
1 sourceZapier Blog -
OpenAI and Oracle reveal 65% defect rate in AI-generated code
OpenAI CEO Sam Altman and Oracle co-CEO Clay Magouyrk discussed AI code vulnerabilities at Oracle AI World 2026. They claimed AI uncovers old bugs but data shows 65% of AI-generated apps have security flaws, including…
1 sourcenote.com -
Claude, Gemini, ChatGPT add new October 2026 features
The author compiled the latest October 2026 updates for Claude, Gemini and ChatGPT, testing free and paid tiers. ChatGPT’s free plan offers unlimited text but limits file uploads, image creation, voice conversations,…
1 sourcenote.com -
Google says it has no plans to release Gemini 3.5 Pro
Google’s public relations team confirmed on October 1, citing a Reuters article, that the company “has no plans to release Gemini 3.5 Pro.” The statement ended weeks of speculation among the AI community, as the model…
1 sourcenote.com -
OpenAI adds GPT-6 models to Google Cloud for enterprise buyers
OpenAI announced on October 21, 2026, that its top-tier models and Codex will be available for purchase through Google Cloud contracts. The models, including GPT-6 Astra, GPT-6.1 Sol, and GPT-6 Luna, are being added to…
3 sourcesnote.com -
OpenAI makes its Decisions API widely available using GPT-6 Luna
OpenAI announced the general availability of its Decisions API on October 22, 2026, powered by GPT-6 Luna and priced at $0.10 per million input tokens. The API provides bounded, typed responses—probability, selection,…
6 sourcesvectorwire.aipropakistani.pknote.comUnite.AI +1 more -
Researchers study opinion dynamics in LLM-LLM debates on climate change
A new arXiv preprint introduces a controlled framework where two language models debate a contested topic — climate-change attribution — to measure how opinions shift in extended conversations. One model receives an…
1 source primary sourcearXiv cs.AI -
Anthropic releases always-on agent Claude Duet for Pro/Max users
Anthropic announced a research preview of "Claude Duet" on October 21st. The agent, built on Opus 5.5, runs on a virtual machine with a proprietary browser so it can keep working after the user closes their device. It…
5 sourcesanalyticsinsight.netnote.com -
OpenAI launches GPT-6 Sol and Luna with 50% lower API prices
OpenAI announced that its new GPT-6 Sol and GPT-6 Luna models are now accessible through the API, Codex, and ChatGPT Work. The two models are offered under the identifiers gpt-6-sol and gpt-6-luna. Pricing for both…
2 sourcesnote.com -
OpenAI brings GPT-6 Astra and Codex to Google Cloud
OpenAI is making its GPT-6 Astra, GPT-6.1 Sol, GPT-6 Luna models and Codex coding agent available on Google Cloud via Model Garden and Marketplace, with private preview for select enterprise customers and general…
23 sourcesnote.comthenews.com.pkhelpnetsecurity.comtechtarget.com +11 more -
Simon Willison releases Battle Drones, an audio‑multiplayer RTS built with Claude
Simon Willison released Battle Drones, a browser‑based real‑time strategy game created with Claude. After 12 major iterations and 321 commits, the game runs as static HTML/JavaScript, works offline, and supports both…
1 source HN 6Simon Willison -
Exa claims Exa 3.0 search API leads Perplexity, Brave and Parallel on eight benchmarks
Exa Labs announced Exa 3.0, an upgraded web‑search API for AI agents. The release adds a larger, undisclosed embedding model, a new "Lite" search type priced at $4 per 1,000 requests, and Dynamic Highlights that cut…
1 sourceMarkTechPost -
Inception launches Mercury 3 diffusion LLM, claims parity with GPT-6 Luna and Claude Haiku 5.5 at 1,000+ tokens/sec
Inception Labs released Mercury 3, its flagship diffusion-based large language model, on October 19, 2026. The company says Mercury 3 matches or exceeds the quality of GPT-6 Luna and Claude Haiku 5.5 across benchmarks…
5 sourcesThe DecoderMarkTechPostthedeepview.comUnite.AI +1 more -
OpenAI says GPT-6.1 Sol achieves 97.9% accuracy in COBOL migration with high reasoning effort
OpenAI announced that its latest models have significantly improved performance in low-resource programming languages such as COBOL, Fortran, and Visual Basic. The GPT-6.1 Sol model achieved a pass rate of up to 97.9%…
6 sourcesnote.comThe Decoderbleepingcomputer.comengadget.com -
Vercel data shows Jev hits 35% adoption in two weeks
Vercel’s internal data reveals its AI model Jev became the fastest-adopted model ever, reaching 35% of paid teams within two weeks of its September 15 launch. That exceeds Sonnet 5.5’s reach by nearly double, according…
1 sourceTechCrunch AI -
Claude’s Fable and Mythos differ by task scope, not just performance
Claude’s Fable and Mythos share the same base model but serve distinct roles. Fable 5.1 is designed for long-term autonomous tasks like large-scale code modifications, while Mythos 5.1 targets vetted organizations for…
1 sourcenote.com -
Notion 3.8 links agents to workspace context via MCP Connect
The update introduces MCP Connect, letting users link Claude, Muses, GrokBots, Dots, or other agents to Notion’s workspace. Agents can now read documents, update task trackers, and access tools without manual setup…
1 sourceNotion Releases -
Amazon Bedrock adds global cross‑Region inference for OpenAI GPT‑6 models
Amazon Bedrock now supports global cross‑Region inference for OpenAI GPT‑6 Sol, Luna, and Astra across five Asia Pacific regions. The post explains how to enable source regions, configure IAM policies and service…
1 source primary sourceAWS Machine Learning Blog -
AWS backs OpenAI and Anthropic models, says no single model will dominate
AWS worldwide channel chief Ruba Borno told CRN the company will maintain an open model strategy on Amazon Bedrock rather than pick one AI provider. AWS now offers over 100 models on Bedrock, including multiple GPT and…
1 sourcecrn.com -
TypeSafe/Jev hits $100M ARR, $7.5B valuation three weeks after launch
TypeSafe announced it crossed $100 million in annual recurring revenue (ARR) and reached a $7.5 billion valuation just three weeks after launching its Jev API, according to Sequoia’s leaked figures. The company, backed…
1 sourceLatent Space -
Anthropic cuts Haiku 5.5 pricing to match OpenAI’s GPT-6 Luna
Anthropic released Claude Haiku 5.5 on October 6, 2026, positioning it as a cheaper, faster alternative to OpenAI’s GPT-6 Luna at the same price. The model supports 1M-token context (up from 200K) and includes effort…
1 sourceLatent Space -
Anthropic releases Claude Haiku 5.5 at lower prices than GPT-6 Luna
Anthropic launched Claude Haiku 5.5 on October 7, 2026, a faster and cheaper model than its predecessor, Haiku 4.5, which was released nearly a year ago. The new model matches GPT-6 Luna’s pricing—$0.10 per million…
1 sourceSimon Willison -
GPT-6 with Intelligent UI rolls out to ChatGPT users
This feature allows the model to generate fully interactive user interfaces, including graphics, tappable buttons, forms, and charts, directly within the conversation. The format adapts to the user's question, such as…
1 source primary source HN 758OpenAI -
Anthropic releases Opus 5.5 and Sonnet 5.5; OpenAI launches GPT-6 Sol and Luna tiers
Anthropic released Opus 5.5 and Sonnet 5.5, with Opus 5.5 noted for lower prices, faster performance, strong benchmark results, a system card noting sandbox-tampering attempts, and expanded defender-focused…
6 sourcesnote.comLast Week in AIgeeky-gadgets.com -
OpenAI releases GPT-6 Sol and Luna as two models, fires three employees
OpenAI announced the simultaneous launch of two GPT‑6 variants, Sol and Luna, on 2 October 2026. The company has not yet disclosed benchmark results, pricing, or API details, and the names are only speculated to…
1 sourcenote.com -
Cloudflare launches Clef decision models to compete with TypeSafe’s Jev
Cloudflare released Clef and Clef-flash, two decision models designed to route AI agents’ actions without human oversight. Unlike traditional language models, these models assign probabilities to predefined…
1 sourceThe Decoder -
OpenAI halves ChatGPT Pro 200’s usage limit over API cuts
OpenAI resumed signups for its $200-a-month ChatGPT Pro 200 plan on October 2 but cut its usage limit to 10 times that of the $20 ChatGPT Plus plan, down from 20 times. Existing subscribers get a grace period and extra…
1 sourcepcworld.com -
GPT-6.1 Sol ranks second in Mahjong AI benchmark behind GPT-6 Astra
The article describes a Mahjong-based AI benchmark run by an individual using a self-made platform called RIICHI ORBIT. Six models were tested: GPT-6 Astra, GPT-6.1 Sol, GPT-6 Sol, GPT-6 Luna, Claude Fable 5.1, and…
1 sourcenote.com -
Robinhood rolls out trading agents to 29 million customers
Starting this week, Robinhood’s roughly 29 million customers can access trading agents powered by OpenAI and Anthropic models. Users can choose between models like OpenAI’s GPT-6 Luna, GPT-6 Sol, and Anthropic’s Opus…
2 sourcesfinance.yahoo.comfortune.com -
Sonnet 5.5 matches Opus 5.5 on three tasks with the 1020 trick
YaroTech tested Sonnet 5.5 on three tasks using the same wording and the intentional typo '1020' as five days prior. The model showed similar performance to Opus 5.5 from that time, including correcting the defect rate…
1 sourcenote.com -
OpenAI adds Ultrafast API tier, Decisions API and security scans at DevDay
OpenAI announced updates to its Codex coding assistant and API at DevDay 2026 in San Francisco. The company introduced Codex Security Cloud, which scans GitHub repositories for vulnerabilities and prepares fixes…
3 sourcescryptobriefing.comLatent SpaceThe Decoder -
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…
43 sources primary source HN 243note.comLatent Spacegeeky-gadgets.commarktechpost.com +18 more -
OpenAI hosts DevDay 2026 in San Francisco
Simon Willison, a tech journalist, attended and live-blogged the keynote and other sessions. He noted he received a free ticket and a seat in the ‘creator’ area for the keynote. Willison mentioned using Claude Code for…
1 sourceSimon Willison -
OpenAI reopens $200 Pro plan and adds $500 Pro tier while cutting API credits in half
OpenAI is reopening its $200-per-month Pro plan to new sign-ups while reducing API credits per dollar by half, as reported by The Decoder and confirmed by OpenAI’s help documentation. The company also introduced a new…
8 sources HN 42businesstoday.inhelp.openai.comengadget.comThe Decoder +2 more -
Anthropic releases Claude Sonnet 5.5, faster and more cost‑efficient model
Anthropic announced Claude Sonnet 5.5, a large language model that delivers responses more than 30% faster and consumes fewer tokens per task than its predecessor. The model sits between the upcoming high‑volume Haiku…
4 sources primary sourceSocial Media ExaminerAWS Machine Learning Blog -
Exa launches Agent Ultra API for exhaustive research tasks
Exa has released Agent Ultra, the highest effort level of its Exa Agent API, designed for research tasks that require exhaustive coverage such as large list building and entity enrichment. The system splits tasks into…
1 sourceMarkTechPost -
Developer shares Python script using LLM logprobs for vision tasks
A developer has published a standalone Python script that leverages Large Language Model (LLM) token probabilities to perform simple vision tasks. The tool, inspired by the Jev framework and projects like OpenJev, uses…
1 source HN 43allanrbo.blogspot.com -
User finds GPT-6 Luna less flexible than GPT-5.6 for practical tasks
A long-term AI user reports that GPT-6 Luna, despite its praised accuracy, feels more rigid than GPT-5.6 Luna for everyday tasks like system development and e-commerce. The writer notes that GPT-6 tends to interpret…
1 sourcenote.com -
Microsoft adds GPT-6 Sol, Luna and Astra to Foundry model lineup
Microsoft’s chief technology officer Mark Russinovich warned that today’s most critical single points of failure are often AI models or inference endpoints rather than traditional infrastructure. He said the usual…
2 sourcesnote.commsdynamicsworld.com -
OpenAI adds GPT-6 Astra, Sol, Luna models and plugin access to ChatGPT Voice
OpenAI has updated ChatGPT Voice to run on its new GPT-6 Astra, Sol, and Luna models and enabled access to plugins like email, calendar, and Slack. The feature is now available globally in the latest app version and…
9 sourcesnote.combusinesstoday.inThe DecoderTechCrunch AI +4 more -
Jevmem adds automatic project memory to Claude Code
Jevmem is an open-source tool that automatically saves decisions, constraints, bugs, and todos from Claude Code chats into a structured markdown file called JEVMEM.md. Built on Jev, a system by TypeSafe AI, it…
1 source primary source HN 44github.com -
OpenAI adds GPT-6 Sol and Luna models to ChatGPT and Codex
OpenAI announced two new GPT‑6 variants, Sol and Luna, expanding the GPT‑6 family that already includes Astra. Both models run on fewer tokens than the GPT‑5.6 versions they replace and are priced about 50% lower, with…
47 sources primary source HN 197note.comtech2geek.netpropakistani.pkMarkTechPost +8 more
