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OpenAI launches GPT-5.6 family with Sol, Terra, and Luna tiers

OpenAI has launched its new GPT-5.6 model family, featuring three tiers: Sol (flagship), Terra (balanced), and Luna (fastest and cheapest). These models offer varying price-performance points, with Sol being the most capable for complex tasks like coding and agentic work, while Terra and Luna provide more cost-effective options for general use. The release also includes new API features such as programmatic tool calling and multi-agent capabilities, aiming to enhance efficiency and affordability across a range of applications. AI

IMPACT This tiered release strategy by OpenAI could set a new standard for AI model pricing and accessibility, encouraging more efficient use of AI resources across industries.

RANK_REASON OpenAI released a new generation of its flagship AI models, GPT-5.6, with multiple tiers.

Read on AWS Machine Learning Blog →

AI-generated summary · Google Gemini · from 40 sources. How we write summaries →

OpenAI launches GPT-5.6 family with Sol, Terra, and Luna tiers

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OpenAI released a new generation of its flagship AI models, GPT-5.6, with multiple tiers.
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COVERAGE [40]

  1. X — OpenAI TIER_1 English(EN) · OpenAI ·

    GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday.

    GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday. We’re expanding preview access globally now. https://t.co/Uk5HcfSc2e

  2. Simon Willison TIER_1 English(EN) ·

    The new GPT-5.6 family: Luna, Terra, Sol

    <p>OpenAI's latest flagship model <a href="https://openai.com/index/gpt-5-6/">hit general availability this morning</a>, and comes in three sizes: Luna, Terra, and Sol (from smallest to largest).</p> <p>The new models are priced per 1M input/output tokens as Luna $1/$6, Terra $2.…

  3. Smol AINews TIER_1 (CA) ·

    OpenAI launches GPT 5.6 Sol/Terra/Luna

    **OpenAI** launched the **GPT-5.6** family with three models: **Sol**, **Terra**, and **Luna**, integrated across **ChatGPT**, **Codex**, and the API. Pricing tiers range from **$1 to $5 per million tokens** with new cache-write pricing and a 90% cache-read discount. The launch i…

  4. AWS Machine Learning Blog TIER_1 English(EN) · Tanvi Girinath ·

    OpenAI GPT-5.6 Sol, Terra, and Luna are now generally available on Amazon Bedrock

    Today, GPT-5.6 Sol, Terra, and Luna from OpenAI are generally available on Amazon Bedrock, bringing the smartest family of models from OpenAI yet to Amazon Bedrock’s next-generation inference engine built for high-performance, security and reliability.

  5. X — Perplexity TIER_1 English(EN) · perplexity_ai ·

    GPT-5.6 Terra and Sol are now available in Perplexity and Perplexity Computer. https://t.co/TeIyQGfCRP

    GPT-5.6 Terra and Sol are now available in Perplexity and Perplexity Computer. https://t.co/TeIyQGfCRP

  6. 36氪 (36Kr) TIER_1 中文(ZH) ·

    OpenAI releases GPT-5.6 series models, flagship model Sol officially available

    当地时间7月9日,OpenAI宣布,GPT-5.6系列模型正式全面开放,包括旗舰模型GPT-5.6 Sol、均衡型模型Terra和低成本模型Luna。其中,Sol支持全新的Ultra模式,可默认协调4个AI代理并行处理复杂任务,进一步提升代码开发、科研、网络安全及知识工作等场景的效率。OpenAI称,GPT-5.6系列在多项基准测试中实现业内领先,并在保持或提升性能的同时显著降低推理成本和响应时间。公司同时表示,GPT-5.6配备迄今最完善的安全防护体系,并正式支持程序化工具调用,进一步增强复杂任务自动执行能力。(界面)

  7. Medium — Claude tag TIER_1 English(EN) · Hams AI Tech ·

    10 Wildly Different Ways to Harness GPT-5.6 (Sol, Terra, and Luna)

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://medium.com/@ismailsaleem/10-wildly-different-ways-to-harness-gpt-5-6-sol-terra-and-luna-2d2bed7c3fb8?source=rss------claude-5"><img src="https://cdn-images-1.medium.com/max/1254/1*qyPKJkc1jfDN0zfDu4QcwA.p…

  8. Towards AI TIER_1 English(EN) · Dr Swarneendu AI ·

    GPT-5.6 Has Three Names. Luna, Terra, Sol

    <div class="medium-feed-item"><p class="medium-feed-snippet">OpenAI just released three models and named them after celestial bodies. That is not branding.</p><p class="medium-feed-link"><a href="https://pub.towardsai.net/gpt-5-6-has-three-names-luna-terra-sol-b328674161c4?source…

  9. Towards AI TIER_1 English(EN) · Samarth Banodia ·

    GPT-5.6 Sol, Terra, and Luna: OpenAI’s New Naming Scheme Is Actually a Strategy

    <h4><em>Three tiers, one generation, and a benchmark chart with a story inside it: the flagship now scores more per token, not just more.</em></h4><figure><img alt="" src="https://cdn-images-1.medium.com/max/1024/1*Sg_BwneOg2Fs0u22LA4MGw.png" /></figure><p>OpenAI just moved the G…

  10. Medium — Claude tag TIER_1 English(EN) · Y. ·

    ChatGPT’s GPT-5.6: Sol, Terra and Luna, and which one you should actually use

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://medium.com/@yugenelee/chatgpts-gpt-5-6-sol-terra-and-luna-and-which-one-you-should-actually-use-c9dd5cb683a1?source=rss------claude-5"><img src="https://cdn-images-1.medium.com/max/1737/1*hV9-lImcnKqAuE_Z…

  11. Mastodon — fosstodon.org TIER_1 日本語(JA) · [email protected] ·

    https://www.wacoca.com/games/1418583/ [GPT-5.6 Complete Guide] Overview, Usage, and 10 Use Cases of OpenAI's Latest AI Model "GPT-5.6 Sol・Terra・Luna", Including Game, App, Video, and Slide Generation! #GAMING #MachineLearning #AI #AI

    https://www. wacoca.com/games/1418583/ 【GPT-5.6完全ガイド】OpenAIの最新AIモデル「GPT-5.6 Sol・Terra・Luna」の概要、使い方、ゲーム・アプリ・動画・スライド資料生成などの活用事例10選! # # GAMING # # 機械学習 # AI # AIイラスト # AIエージェント # AI画像 # ChatGPT # Claude # Game # GameNews # games # GamingNews # gemini # google # ゲーミング # ゲーミング最新情報 # …

  12. Mastodon — fosstodon.org TIER_1 한국어(KO) · [email protected] ·

    Product Hunt (@ProductHunt) OpenAI released GPT-5.6 and announced a free credit support program for developers utilizing it. Developers building on Sol/Terra/Luna who schedule their launch by July 23rd will receive $10,000 in OpenAI credits for top products.

    Product Hunt (@ProductHunt) OpenAI가 GPT-5.6을 공개했고, 이를 활용하는 개발자 대상 무료 크레딧 지원 프로그램도 함께 안내했다. Sol/Terra/Luna로 빌드해 7월 23일까지 출시 일정을 잡으면 상위 제품에 OpenAI 크레딧 1만 달러를 제공한다. 모델 출시 자체와 개발자 생태계 확장 측면에서 주목할 만하다. https:// x.com/ProductHunt/status/20767 39322728833140 # openai # gpt56 # llm # dev…

  13. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    GPT-5.6 Luna, Terra, Sol gives AI builders three tiers with a 1M-token context window, Feb 2026 knowledge cutoff, and pricing that shifts dramatically based on

    GPT-5.6 Luna, Terra, Sol gives AI builders three tiers with a 1M-token context window, Feb 2026 knowledge cutoff, and pricing that shifts dramatically based on reasoning depth, not just model size. https://www. nerdheadz.com/blog/gpt-56-luna -terra-sol-model-family-ai-builders # …

  14. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    OpenAI previews GPT-5.6 in three tiers — Sol, Terra, Luna — with a government-requested limited rollout, new safety measures, and strong benchmark results. http

    OpenAI previews GPT-5.6 in three tiers — Sol, Terra, Luna — with a government-requested limited rollout, new safety measures, and strong benchmark results. https:// hackernoon.com/openai-launches -gpt-56-family-with-sol-terra-and-luna-for-flexible-ai-choices # ai

  15. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    OpenAI's new GPT-5.6 tiers (Sol, Terra, Luna) accompany the desktop consolidation, with Sol priced at $5 per million tokens for ChatGPT Work. Codex users retain

    OpenAI's new GPT-5.6 tiers (Sol, Terra, Luna) accompany the desktop consolidation, with Sol priced at $5 per million tokens for ChatGPT Work. Codex users retain projects and workflows after migration, able to set it as the default view. Watch whether unified pricing simplifies or…

  16. dev.to — LLM tag TIER_1 English(EN) · Rohit Raj ·

    GPT-5.6 Sol vs Terra vs Luna: A Developer's Guide to Picking the Right Tier (2026)

    <h2> TL;DR </h2> <p><strong>GPT-5.6 went GA on July 9, 2026</strong> with three tiers you now have to choose between: <strong>Sol</strong> ($5 / $30 per 1M input/output tokens, the flagship), <strong>Terra</strong> ($2.50 / $15 — roughly half the cost of GPT-5.5 for near-flagship…

  17. Mastodon — fosstodon.org TIER_1 Español(ES) · [email protected] ·

    OpenAI launches GPT-5.6, its new generation of AI models with Sol, Terra, and Luna: https://www.dekazeta.net/openai-gpt-5-6-ia-sol-terra-luna/ #GPT #OpenAI #

    OpenAI lanza GPT-5.6, su nueva generación de modelos de IA con Sol, Terra y Luna: https://www. dekazeta.net/openai-gpt-5-6-ia -sol-terra-luna/ # GPT # OpenAI # ChatGPT # IA # AI

  18. Mastodon — fosstodon.org TIER_1 (CA) · [email protected] ·

    OpenAI launches GPT-5.6: Sol, Earth, and Luna. Three models, one goal: more intelligence per token. Sol crushes Last Exam Agents (53.6) — surpasses Claude Fabl

    OpenAI llança GPT-5.6: Sol, Terra i Luna. Tres models, un objectiu: més intel·ligència per cada token. Sol arrasa a Agents Last Exam (53.6) — supera Claude Fable 5 per 13.1 punts. Fins i tot en mode medium, el supera per 11.4 punts a 1/4 del cost. 💀 Coding Agent Index: Sol 80 vs …

  19. Mastodon — fosstodon.org TIER_1 (CA) · [email protected] ·

    OpenAI launches GPT-5.6: Sol, Earth, and Luna. Three models, one goal: more intelligence per token. Sol crushes Last Exam Agents (53.6) — surpasses Claude Fabl

    OpenAI llança GPT-5.6: Sol, Terra i Luna. Tres models, un objectiu: més intel·ligència per cada token. Sol arrasa a Agents Last Exam (53.6) — supera Claude Fable 5 per 13.1 punts. Fins i tot en mode medium, el supera per 11.4 punts a 1/4 del cost. 💀 Coding Agent Index: Sol 80 vs …

  20. Mastodon — fosstodon.org TIER_1 (CA) · [email protected] ·

    OpenAI launches GPT-5.6: Sol, Earth, and Luna. Three models, one goal: more intelligence per token. Sol crushes Agents' Last Exam (53.6) — surpasses Claude Fab

    OpenAI llança GPT-5.6: Sol, Terra i Luna. Tres models, un objectiu: més intel·ligència per cada token. Sol arrasa a Agents' Last Exam (53.6) — supera Claude Fable 5 per 13.1 punts. Fins i tot en mode medium, el supera per 11.4 punts a 1/4 del cost. 💀 Coding Agent Index: Sol 80 vs…

  21. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    https:// winbuzzer.com/2026/07/09/opena i-says-gpt-56-rolls-out-with-sol-terra-and-luna-xcxwbn/ OpenAI’s GPT-5.6 launches with three model tiers: Sol for advanc

    https:// winbuzzer.com/2026/07/09/opena i-says-gpt-56-rolls-out-with-sol-terra-and-luna-xcxwbn/ OpenAI’s GPT-5.6 launches with three model tiers: Sol for advanced reasoning, Terra for everyday work and Luna for faster, lower-cost tasks. # AI # GPT56 # GPT56Sol # GPT56Terra # GPT5…

  22. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Vibe Check: GPT-5.6 Sol Is Our Favorite Model to Collaborate With every.to/vibe-check/gpt… #AI #OpenAI

    Vibe Check: GPT-5.6 Sol Is Our Favorite Model to Collaborate With every.to/vibe-check/gpt… #AI #OpenAI

  23. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Vibe Check: GPT-5.6 Sol Is Our Favorite Model to Collaborate With https:// every.to/vibe-check/gpt-5-6-sol # AI # OpenAI

    Vibe Check: GPT-5.6 Sol Is Our Favorite Model to Collaborate With https:// every.to/vibe-check/gpt-5-6-sol # AI # OpenAI

  24. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    OpenAI’s GPT‑5.6 models are here, with a trio of options balancing power and performance Get to know Sol, Terra, and Luna. https://www. androidauthority.com/gpt

    OpenAI’s GPT‑5.6 models are here, with a trio of options balancing power and performance Get to know Sol, Terra, and Luna. https://www. androidauthority.com/gpt-5-6-3 685927/ # Tech # Technology # TechNews # AI # Gadgets # Software # Cybersecurity # Apple # Google # Microsoft # S…

  25. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    🤖 GPT-5.6 "We’re launching the GPT‑5.6 family of models for general availability following our limited preview⁠: our new flagship, Sol, alongside Terra, a balan

    🤖 GPT-5.6 "We’re launching the GPT‑5.6 family of models for general availability following our limited preview⁠: our new flagship, Sol, alongside Terra, a balanced model for everyday work, and Luna, our most... 📰 Source: Artificial Intelligence (AI) 🔗 Link: https://www.reddit.com…

  26. dev.to — LLM tag TIER_1 English(EN) · DoremonAI ·

    GPT-5.6 Sol, Terra & Luna Go Public Today — OpenAI's Three-Tier Era Begins

    <p><a class="article-body-image-wrapper" href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Flgtg540p0zr1v3go9xxm.png"><img alt="GPT-5.6 Sol, Ter…

  27. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    📰 OpenAI gets permission to roll out GPT-5.6 to the public on July 9 OpenAI's GPT-5.6 Sol, Terra and Luna will be widely available on Thursday. 📰 Source: Engadg

    📰 OpenAI gets permission to roll out GPT-5.6 to the public on July 9 OpenAI's GPT-5.6 Sol, Terra and Luna will be widely available on Thursday. 📰 Source: Engadget - Technology News & Expert Reviews 🔗 Link: https://www.engadget.com/2210308/openai-rolls-out-gpt5-6-july-9/ # AI # Ar…

  28. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    🎉🎈 Breaking news: another # AI version is out, and it's called GPT-5.6 Sol, Terra, Luna! 🚀 Because apparently, naming AI iterations after celestial bodies is th

    🎉🎈 Breaking news: another # AI version is out, and it's called GPT-5.6 Sol, Terra, Luna! 🚀 Because apparently, naming AI iterations after celestial bodies is the new cool. Clearly, # OpenAI is running out of creative juice faster than you can say "overhyped tech launch." 🙈💫 https…

  29. Mastodon — mastodon.social TIER_1 日本語(JA) · [email protected] ·

    GPT-5.6's Sol/Terra/Luna: Which Should You Use After All? # AI # OpenAI # ChatGPT https://hide10.com/post/gpt-5-6-model-selection-2026/

    GPT-5.6のSol/Terra/Luna、結局どれを使えばいいのか # AI # OpenAI # ChatGPT https:// hide10.com/post/gpt-5-6-model- selection-2026/

  30. Mastodon — mastodon.social TIER_1 中文(ZH) · [email protected] ·

    GPT-5.6 Unveiled and Tested: Mixing Sol, Terra, and Luna Models Saves Tokens, How to Maximize the Value of $20? By Dou Xiaowen, 2026-07-15 07:59:00 CST GPT-5.6 is unblocked, bringing highlights such as one-click website generation and the "Work" productivity tool. This article will analyze how to smartly combine its Sol and Luna models to balance powerful performance with usage costs, maximizing AI.

    GPT-5.6解禁實測:Sol、Terra和Luna三模型混搭省Token,如何讓20美元發揮最大效能? 竇孝文 2026-07-15 07:59:00 CST GPT-5.6解禁,帶來「網站」一鍵生成及「Work」生產力工具等亮點。本文將剖析如何聰明搭配其Sol與Luna模型,在強大效能與用量成本間取得平衡,發揮AI最大價值。 https://www.thenewslens.com/article/269177 #GPT-5 .6 Luna #GPT-5 .6 Terra #生成式AI #ChatGPT #科技 #CODEX #ChatGPT Work…

  31. Mastodon — mastodon.social TIER_1 Italiano(IT) · [email protected] ·

    💡 OpenAI cuts prices, promises coding records and launches three distinct models for usage tiers. GPT-5.6 with Sol, Terra, and Luna is the direct answer to Anthr

    💡 OpenAI taglia i prezzi, promette record nel coding e lancia tre modelli distinti per fasce d'uso. GPT-5.6 con Sol, Terra e Luna è la risposta diretta ad Anthropic. 👇 https:// gomoot.com/gpt-5-6-openai-rila ncia-con-sol-terra-e-luna/ # AI # gpt56 # luna # sol # terra

  32. Mastodon — mastodon.social TIER_1 English(EN) · AI_BEAR_NEWS ·

    🤖 GPT-5.6 E GROK 4.5: IL LANCIO PIÙ GRANDE DAL GPT-4 OpenAI lancia GPT-5.6 in tre versioni: Sol (88.8% benchmark coding), Terra (.50/15M token, la più convenien

    🤖 GPT-5.6 E GROK 4.5: IL LANCIO PIÙ GRANDE DAL GPT-4 OpenAI lancia GPT-5.6 in tre versioni: Sol (88.8% benchmark coding), Terra (.50/15M token, la più conveniente per team), Luna (/6M ma scarsa su documenti lunghi). Non ha pubblicato SWE-bench Pro. xAI lancia Grok 4.5 a /6M: 64.7…

  33. Mastodon — mastodon.social TIER_1 Svenska(SV) · [email protected] ·

    OpenAI has now launched the next generation of its language models, GPT-5.6. The new model comes in three versions: Sol, Luna, and Terra. Sol is the most powerful

    Open AI har nu lanserat nästa generation av sina språkmodeller, GPT-5.6. Den nya modellen finns i tre versioner: Sol, Luna och Terra. Sol är den mest kraftfulla varianten, Luna är optimerad för snabbare svar och Terra är tänkt att erbjuda en balans mellan prestanda och hastighet.…

  34. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    The new GPT-5.6 family: Luna, Terra, Sol https://simonwillison.net/2026/Jul/9/gpt-5-6/#atom-everything # AI # LLM # Tech

    The new GPT-5.6 family: Luna, Terra, Sol https://simonwillison.net/2026/Jul/9/gpt-5-6/#atom-everything # AI # LLM # Tech

  35. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    #OpenAI is releasing GPT-5.6 over the next 24 hours, introducing the new model family names Sol, Terra, and Luna. Sol being the smartest, and Luna the fastest.

    #OpenAI is releasing GPT-5.6 over the next 24 hours, introducing the new model family names Sol, Terra, and Luna. Sol being the smartest, and Luna the fastest. #ChatGPT #Codex #AI #GenAI #LLM

  36. Mastodon — mastodon.social TIER_1 Deutsch(DE) · [email protected] ·

    RT @OpenAI: GPT-5.6 Sol will be publicly launched this Thursday along with Terra and Luna. We are now expanding preview access worldwide. more on Arin

    RT @OpenAI: GPT-5.6 Sol wird zusammen mit Terra und Luna diesen Donnerstag öffentlich gestartet. Wir erweitern den Preview-Zugriff jetzt weltweit. mehr auf Arint.info # AI # GlobalExpansion # GPT56Sol # Luna # PublicLaunch # Terra # arint_info https://x.com/OpenAI/status/20747049…

  37. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Accelerate the singularity! GPT-5.6 Sol, Terra, and Luna are releasing this Thursday! #OpenAI #ChatGPT #Codex #AI #GenAI #LLM

    Accelerate the singularity! GPT-5.6 Sol, Terra, and Luna are releasing this Thursday! #OpenAI #ChatGPT #Codex #AI #GenAI #LLM

  38. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday https://twitter.com/OpenAI/status/2074704958419792299 # HackerNews # Tech # AI

    GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday https://twitter.com/OpenAI/status/2074704958419792299 # HackerNews # Tech # AI

  39. r/OpenAI TIER_2 English(EN) · /u/docdavkitty ·

    GPT-5.6 Sol, Terra, Luna : Full Benchmark Analysis and Which Tier to Actually Use

    <table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1uva3uu/gpt56_sol_terra_luna_full_benchmark_analysis_and/"> <img alt="GPT-5.6 Sol, Terra, Luna : Full Benchmark Analysis and Which Tier to Actually Use" src="https://external-preview.redd.it/bcGr31l7sTQkSOV3uy8lpR…

  40. r/OpenAI TIER_2 English(EN) · /u/truecakesnake ·

    GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday.

    <table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1uqhviv/gpt56_sol_along_with_terra_and_luna_will_launch/"> <img alt="GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday." src="https://preview.redd.it/y2zyo1q4kxbh1.png?width=320&amp;crop=s…