Developers react to the price cuts and usage-limit tradeoffs
3 Yesterday 2:41 PM · 1d ago · 26 articles · 3 posts · 16 comments · 4 sources · development 3 of 6
On Hacker News, commenters called the Luna price cut a major deal while others weighed API savings against opaque ChatGPT plan usage limits and Codex quirks.
“GPT-6 Luna being half the price of GPT-5.6 Luna is a really big deal.”
simonwOpenAI Developer of GPT-6 Sol and LunaAnthropic Developer of Claude Opus 5.5Simon Willison Independent AI commentator/bloggerThariq Shihipar Commentator quoted on Opus 5.5Artificial Analysis Independent AI benchmarking firm
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What was reported 1 claim about this development
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first by Business Today, 1d ago · also MarkTechPost, Gizmodo, iPhone in Canada, VentureBeat, The New Stack
5 more headlines
- OpenAI Releases GPT-6 Sol and Luna: 50% Cheaper API Pricing and Benchmarks MarkTechPost · 1d ago
- OpenAI Releases New GPT-6 Sol and Luna Models, Sells Them as Mini-Astras Gizmodo · 1d ago
- OpenAI's New GPT-6 Sol and Luna Models Are 50% Cheaper iPhone in Canada · 1d ago
- OpenAI releases GPT-6 Sol and Luna models, slashing API costs 50% or more VentureBeat · 1d ago
- OpenAI releases GPT-6 Sol and Luna — and cuts token prices in half The New Stack · 1d ago
What people said 19 voices · verbatim
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GPT-6 Sol and Luna are out. Not only are they a very significant improvement across the board, but also in writing and general "you know when you try it" quality. We are also permanently reducing the API price by 50% making both of them viable for a ton of new usecases and
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At this point, the deciding factors for me between Claude Code 20x and Codex Pro 20x are:1/ Usage limits: downstream of input/output cost, but resets and obscure windows and odd 20x plan / 5x plan != 4x usage math throw a wrench into it. Winner right now is Codex by a mile, especially when you factor in ChatGPT usage (even 6 Astra Pro) is…
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GPT-6 Sol and Luna: https:// openai.com/index/introducing-g pt-6-sol-and-luna/ Discussion: http:// news.ycombinator.com/item?id=4 9805509
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GPT-6 Luna being half the price of GPT-5.6 Luna is a really big deal.Here's GPT-6 Luna pelicans: https://tools.simonwillison.net/markdown-svg-renderer?url=ht...And GPT-6 Sol: https://tools.simonwillison.net/markdown-svg-renderer?url=ht...Scroll to the bottom for the GPT-6 Sol max one…
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https:// openai.com/index/introducing-g pt-6-sol-and-luna/ 這真熱鬧，OpenAI 也更新了 Sol & Luna 產品線...
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Artificial Analysis is reporting that 6 Luna scores 2 points lower on their coding index than 5.6 Luna, but is 60% cheaper:> In the Coding Agent Index, Sol improves but Luna regresses: In OpenAI's Codex harness, GPT-6 Sol (max) scores 57 in the Artificial Analysis Coding Agent Index, up 2 points from GPT-5.6 Sol (max), with gains in Terminal-Bench…
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> It's also is a godsend if you use an MCP like oracle to automate the process of calling the Pro model on particularly tough problemsAs far as I know Codex (at least the GUI) can automatically call the ChatGPT Chat models (including Astra 6 Pro), you just need to @ a ChatGPT Chat conversation from within Codex and tell it when to use it.> There…
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Good. Maybe they can use GPT-6 to fix the accessibility of their iOS app. Output shows as text fields to VoiceOver, and the accessibility announcements have backslashes before seemingly every punctuation mark. And then bring accessibility announcements to the Android app so I don't have to make a whole new app just to add that through an…
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Have they solved GPT5.6 SOL's propensity to over-engineer and over-complicate? You'd ask SOL to do something relatively simple, and find four single-use methods, an interface, and a factory-factory.I actually preferred 5.6-Terra not because it is technically superior (it isn't) but because it had better instincts to NOT do this stuff.PS - Speaking…
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6-luna is at the pareto for most of the tasks! I dont know how they make money here but its insane value from a closed source model. I'd go further and say it makes no sense (privacy, sovereignty etc aside) to use many other models as its not only expensive but also many providers don't have that much GPUs to serve at a significant volume…
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When I use these models in codex, there are two axes for me to control - the model and the reasoning level. I can use Astra, Sol, or Luna. And I can choose between 5 reasoning levels (light, medium, high, extra high, and ultra). What's the difference? As the problems that I want codex to solve get easier, should I turn down the model or the…
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I’m still finding context is king, even with the best models.For example, I had Fable review Astra’s output yesterday, and it found some issues and fixed them. Passing the fixes back, Astra then uncovered additional issues with Fable’s fixes (and yes, this will go on ad infinitum if you let it, but these were “real” issues).It seems the big story…
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Does anyone know if the ~50% price reduction also implies x2 subscription usage? Or is it only for the API.Edit: Yes, it applies also to subscriptions, source
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In my personal experience I currently get a lot, lot more usage on the 5x Claude plan than the 5x Codex plan.Having limitless webUI ChatGPT usage is much better user experience, though. I'll give them that.(edit: Sol-6 is half the price, so maybe the usage limits are going to be way better.)
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> Winner right now is Codex by a mileOpposite in my experience. I need to limit codex to 500k on medium/low, still run out in 2-3 days with 1 CLI window. CC gives me 4-5 medium/high days with 2-3 CLI windows, and Opus is still great for other regular dumb engineering/refactoring.
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> GPT-6 Luna being half the price of GPT-5.6 Luna is a really big deal.Is it? It was already too cheap to meter for me. Luna 6 is actually worse on some benchmarks than 5.6. I’d have loved improved performance for 2x the price than ~equal performance for 0.5x the price.
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AI needs to get rid of model versioning and model effort combinations. It's like selling an automatic transmission but still asking you to choose the gear, then after the trip telling you how much fuel you burned.
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I dunno about Codex-the-application itself, but you can definitely use e.g. Pi with the larger context windows with a Codex login. It puts a pretty large multiplier on credit usage, however.
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Not that this benchmark is super relevant anymore but these look worse than I expected.
All 6 developments of OpenAI and Anthropic trade blows in AI price war: GPT-6… →
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