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GPT 6.1 Sol

212 pointsby 35m agoopenai.com
132 comments
31m agoHN ↗

Weren't there headlines just yesterday that they weren't releasing this due to safety concerns?

31m agoHN ↗

GPT-6.1 Astra is what those headlines referred to. This is GPT-6.1 Sol.

29m agoHN ↗

That was 6.1 Astra. And I'm assuming it's being tabled because it still doesn't match Opus 5.5.

This is a decent win though, if it really is better. 6-sol was really no good, at least in my work.

28m agoHN ↗

6 Sol was worse than 5.6 Sol from my own experiences. Far worse.

Will see if this remedies things.

26m agoHN ↗

Yup, same experience here. I used it for one day, spent the next day fixing its lousy code, then went back to 5.6.

30m agoHN ↗

Shots fired, half the price of Opus 5.5.

30m agoHN ↗

Wasn't 6 released like last week? I can't keep up anymore.

27m agoHN ↗

Yes but it was underwhelming, so they seem to have rushed 6.1 Sol out. Also Opus 5.5 may have spooked them too.

26m agoHN ↗

Do you need to? Do you always keep up with all the version bumps on the software you use?

22m agoHN ↗

It was so underwhelming that it didn't even make it to chatgpt chat interface

30m agoHN ↗

Ominous for the industry and investors that token price is becoming the main battleground. Could be Anthropic's rationale for IPOing this year.

28m agoHN ↗

Great for the consumer.

I remember when bandwidth was super expensive and now it’s dirt cheap.

20m agoHN ↗

China will do to llms what they did to german cars

15m agoHN ↗

Why make a new account to post this comment?

It's not even anything controversial..

13m agoHN ↗

They may work for one of the big AI labs.

16m agoHN ↗

Another piece of evidence on the pile that the sudden panic and desire to "slow down" is because they're hitting the plateau on capability

Which, honestly, is fine. A lot of juice to squeeze in efficiency and even if models got zero more capable, making the capability that is already here cheaper is a huge win for everyone (except Nvidia)

13m agoHN ↗

What universe do you live in that you can look at the past six months and see anything like a plateau in capability?

This is brain-rotted zitron-conspiracy territory, utterly at odds with reality.

10m agoHN ↗

Have we honestly seen that great a leap in the last 6 months, or just better application of what we had 6 months before that.

We are seeing multiple frontier models dropping on the same day and no one bats an eye, because it's more of the same.

10m agoHN ↗

Not that they've hit it but that they are approaching it. The time to panic and steer the narrative is before you hit the iceberg, not after

8m agoHN ↗

People have been saying this since GPT-4.

11m agoHN ↗

Another piece of evidence on the pile that the sudden panic and desire to "slow down" is because they're hitting the plateau on capability

if true then LLM related AI (post-post AI winter AI?) is probably one of the fastest inception-to-plateau tech sectors to have ever existed.

We're still improving transistors on a somewhat routine basis.

8m agoHN ↗

The plateau doesn't have to be perfectly flat, but it's not a straight line upward anymore either (kind of like our work on transistors, where we've kind of hit the bounds of speed in clock cycles but are improving on miniaturization and power efficiency)

11m agoHN ↗

Nvidia can start putting weights in silicon if model development slows down.

9m agoHN ↗

I think they are hitting compute restrictions. And buying compute right now can be 3-4X. And the costs are increasing. If they train a larger model and demand is high, that’s a lot of compute for Codex subscriptions, which is a loss leader for them. Especially Pro 20X which they just nerfed to 10X.

6m agoHN ↗

Another piece of evidence on the pile that the sudden panic and desire to "slow down" is because they're hitting the plateau on capability

I think it's more a token-cost-demand plateau. They've reached the scale and investor trillions to which they can't 10x the hardware cost of inference any more. They can't afford to compete by eating costs and there isn't appetite for more expensive inference.

So in order that they don't bankrupt each other they're looking for the legal cartel behavior coordinating a stop to growth by convincing governments to regulate them into stopping.

There's a lot of juice to squeeze in efficiency but only so much whereas it seemed like capability was going to continue to scale with parameter count.

Maybe it's good news for everyone that model capability is now going to scale on semiconductor cost meaning huge players are going to be very motivated to make semiconductors cheap.

12m agoHN ↗

This is literally the plan, open weight models are something like 60% of token spend, and it will get worse. many companies now have model gateways where you can slot in cheaper models via cli for cheaper. we've been using glm 5.x and it's pretty close to SOTA frontier models.

it's also why there have been so many calls for regulation and slowdowns.

30m agoHN ↗

If these models are so smart, can't _they_ select the right model for each task?

28m agoHN ↗

the right model for the task is the one that transfers the maximum amount of USD from your pocket to the provider's bank account.

24m agoHN ↗

Why don't you simply ask the respective model which model is best for a specific task? :-)

17m agoHN ↗

Switching models is _very_ expensive in compute (you have to rerun everything from the beginning), and highly variable in cost. Cursor tried doing this for awhile, but inconsistent performance/usage means most users turned it off and pick models specifically.

16m agoHN ↗

I guess the question is, does the Dunning Krueger effect apply to models? The dumb ones might think they're up to the task.

6m agoHN ↗

These models have a knowledge cutoff that don't just prevent them from knowing about themselves (especially since most data about the model doesn't even exist until after the model is created), but they also don't know about other recent models. Sure, they can search and use other sources, even make some guesses based on the models they do know, but their default stance is more akin to "User asked about model X, model X doesn't exist, maybe it was an hallucination or mistake, let me do a web search...", but that assumes they have web search and are willing to spend tokens on it.

Personally I've taken to having a list of 3 to 4 models in default context with some ordering on which to prefer. Things like GPT 6 Luna is cheap very cheap, use it. Because otherwise the model will assume Haiku or such is the good cheap model to use.

The speed I'm having to update that document has not gone unnoticed.

30m agoHN ↗

What's driving the increase in release cadence here? We seem to get new models every week or so now, is this RSI?

24m agoHN ↗

Wanting to have the newer model than the competitor, presumably.

15m agoHN ↗

The old "the bigger number is better", GPT announces model 6.1, the obvious thing to do next is to announce Gemini 27, and after that Claudé 3000, then a flute album.

24m agoHN ↗

Response to DeepSeek’s technical paper and competition.

24m agoHN ↗

No, we're pacing ourselves to have the time to evaluate the impact each new model could have, obviously.

22m agoHN ↗

Chinese model pressure. Many of my SWE friends switched to Chinese models. I also use QWEN and GLM for many of the api requiring projects and dropped OpenAI and Anthropic. The only reason was the cost.

7m agoHN ↗

I can't recommend Chinese models enough. My personal favorite is DeepSeek v4.1 Flash but I have tried Qwen 3.8, Kimi 3 and GLM 5.3 which are equally impressive but DeepSeek is the cheapest and fastest regularly hitting 270 token per second.

And yeah I have worked with Anthropic and OpenAI models, they're good but they cost a fortune while Chinese models are already really good at a fraction of the cost.

22m agoHN ↗

Its a news cycle more than anything, and its ONLY going to get much, much worse. Daily releases, or multiple daily, 30-45, by EOY. Welcome to RSI!

20m agoHN ↗

What I don't understand is how much people have to say about every single one. Aren't we at the diminishing returns stage yet? Is there really that much to discuss?

8m agoHN ↗

If you look closely at various benchmarks, you'll see that often models will improve in certain areas while regressing in others. It suggests we're already at the point of diminishing returns.

18m agoHN ↗

I do wonder if people switch back and forth between primary models (GPTvsClaude) that it may be a better idea to simply keep releasing updates as soon as possible in order to keep users from bouncing back and forth.

11m agoHN ↗

Probably one of the factors. Signed up to openai pro a few days ago, deciding between openai and anthropic, then sonnet 5.5 was released and am wondering whether I made a mistake.

Luckily it's not a mistake as now we have access to . . . dots.

(and sol 6.1, it seems)

8m agoHN ↗

This is it.

It's because they need subscription money and interaction data and so keeping a version bump in the wings to stop the bleeding from your competitor's version bump is the logical thing to do. It has nothing to do with RSI.

16m agoHN ↗

New models are distill from the actual unrelease frontier models. They are just giving us better checkpoints.

15m agoHN ↗

The initial response to 6 Sol was bad, and Opus 5.5 was definitely winning the public vibes war. Makes sense to rush something out

13m agoHN ↗

They're releasing Sol 6.1 because 1. Astra 6.1 got postponed 2. Sol 6 is shitty 3. They have to release _something_ in response to Opus 5.5

13m agoHN ↗

Versions is marketing, snapshots/minor variations are easy and the number must go up. Release timing is another OAI's marketing tactic.

RSI

Recursive improvement doesn't imply increased rate, another word for it is "iterative" but this probably sounds too boring for some.

11m agoHN ↗

It is the only way to reduce prices while making it look like a good thing.

30m agoHN ↗

Aka "we made an oopsie last week and released what should have been called GPT 6 Terra with the name GPT 6 Sol"

29m agoHN ↗

GPT‑6.1 Sol matches GPT‑6 Astra at roughly one-fifth of the cost

Astra is a pretty impressive model. Excited to try this.

28m agoHN ↗

I love free market competition. We're getting insane advancements every day. I remember when llms used to cost an arm and a leg for decent intelligence

28m agoHN ↗

This is great. But maybe part of the motivation is that 6-Sol wasn't as good as initially advertised so they needed to tweak it. I felt a clear degradation in quality in some simple refactoring tasks vs 5.6-Sol.

27m agoHN ↗

I wish they'd list the environmental cost. My employer has an unlimited AI budget so I don't care about using Astra if it's just more profit for OpenAI. I care more if it actually uses 5x more energy.

23m agoHN ↗

I don't understand the point of this, why just now when it comes to llms. Why wasn't anyone enraged with the environmental costs of kids playing video games. I would not be surprised the environmental cost of that is an order of magnitude bigger than what llms have.

13m agoHN ↗

Considering Nvidia's hard shift to crypto and now AI, I doubt videogames are even in the same ballpark.

How many DCs are devoted solely to gaming?

9m agoHN ↗

Considering many games make use of cloud computing for online play and similar functions, they probably make up a pretty goot bit of global cloud compute capacity. Likely quite a lot less than the big AI players, but not an insignificant amount.

5m agoHN ↗

The energy costs of the cloud computing required for gaming are substantially less in power - not to mention overall demand - than LLMs. Come on, we're not in the same energy ballpark here.

20m agoHN ↗

Given that the number one cost of inference is memory and compute, and the incremental cost of each is energy, cost per inference is roughly proportional to energy consumption.

11m agoHN ↗

Did you care about this when it came to your other computing needs? What PC/laptop are ypu running and how efficient is that?

8m agoHN ↗

Look at Neuralwatt. They report energy usage with every call as well as aggregate statistics.

27m agoHN ↗

Okay, now price cut 6 Sol (and rename it to Terra again).

27m agoHN ↗

GPT-6 Sol released a week ago. Shortest model life ever?

24m agoHN ↗

Taking GPT-6 "Sol" outside behind the shed and giving it a merciful end is about the best outcome possible.

Huge misstep releasing it.

19m agoHN ↗

Sorry, I'm GenX. Growing up they showed us "Old Yeller" in the school gym every year like that was some kind of treat.

11m agoHN ↗

The misstep was naming it Sol - it was Terra-level all along.

27m agoHN ↗

I wonder if releasing this soon sort of validates the rumor that Sol 6 was just the Terra model they bumped up and slashed the price.

Then Opus 5.5 caught them off guard and now they're actually releasing the correct sized model.

27m agoHN ↗

Looking at the token prices, if this is half as good as 6-Astra for 3D model creation in Blender, it's going to be an absolute game changer.

Opus 5.5 is definitely better at coding, but nothing even comes close to 6-Astra for work in 3D graphics...

22m agoHN ↗

How is it with animations?

I have played around a little bit with fixing some rigging problems and was impressed, but Opus even warned me it was bad at animations cause it can only really grab screenshots to process static content.

13m agoHN ↗

You need to use the Blender MCP. There is an official plugin for this now, so the third party one can be avoided.

I've only dabbled but yes with SOTA models it is very good at animating and really most Blender tasks you can think of. Certainly if you are coming at Blender at below expert level it makes it far more accessible and fun to work with.

There are still rough edges of course. But try the official MCP out with Astra and judge for yourself.

8m agoHN ↗

Have you tried fable? (I did small experiements and was satisfied, but maybe there are reasons to switch?)

25m agoHN ↗

Cached input costs just $0.10 per million tokens—95% less than standard input pricing and 50% less than GPT‑6 Sol’s cached input pricing

This is the actual big announcement. 50% cheaper cache than GPT-6 Sol will get you far more mileage on Codex.

20m agoHN ↗

Exactly half as expensive as Opus 5.5 in every API pricing metric

11m agoHN ↗

And half as good. I didn't have great experiences with Anthropic models in the past, but Opus 5.5 seems to have turned a major corner. It is churning through tasks significantly more quickly and efficiently.

Suggest trying it out yourself: Ask for something difficult from GPT-6 Sol and Opus 5.5 and watch what each one does. The difference is stark.

8m agoHN ↗

I'm not an OpenAI simp, but how anyone can have any opinion on the performance of these models in less than a day - let alone a few hours - is beyond me.

6m agoHN ↗

Try it, it's that good compared to openai current offering.

I get better results and usage our of my $20 claude sub than my $100 openai sub... it's that ridiculous

6m agoHN ↗

Only takes 5-10 minutes to test your favorite one shot comparison prompt.

24m agoHN ↗

So yesterday we were consumed with how this was being delayed because of safety, yada yada.

Guess not?

21m agoHN ↗

That model was implied to be GPT 6.1 Astra, not Sol.

19m agoHN ↗

I see where you are coming from. But 6.1 Sol seems like a new frontier in pricing, not intelligence. I do think the deceleration stuff was mostly bluster, but I don't think this release in particular contradicts it too much.

24m agoHN ↗

I can blow through my weekly on astra in a few hours; hopefully this really is as good.

14m agoHN ↗

I get decent results telling it to use Luna subagents for implementing commits.

24m agoHN ↗

Cache is priced at $0.1/M, 50% as sol 6 and sonnet 5.5.

23m agoHN ↗

$2/10 is pretty cheap for a frontier model...

21m agoHN ↗

I stopped using LLMs. I shit you not. My life got better.

20m agoHN ↗

Why they are not even benchmark model against Anthropic or anybody ?

19m agoHN ↗

GPT 6.0 Sol was so terrible—I wonder if 6.1 Sol will be good?

17m agoHN ↗

Let's all boycott and move to Claude until they release 6.1 Astra. I don't like to be teased.

When is the alleged "safety" concern satisfied? Does this mean releasing new capability to consumers is going to get a lot slower? Lower price for 6 Astra capability via this 6.1 Sol is exciting, but that is because of Astra capability not merely the low price point.

When do we get the next jump in capability? When is 6.1 Astra released?

8m agoHN ↗

Isn't Anthropic doing the same, with Opus 5.5 being out while Fable/Mythos is still on 5.1?

4m agoHN ↗

Is this due to a similar safety concern or just because it's not ready yet?

The coverage around 6.1 Astra seems deliberately playing into the dubious "safety" narrative in a way that feels distinct. But you may be correct in which case, I would take the correction on board and maybe suggest a different alternative.

Although in theory if OpenAI was boycotted in this way the market pressure would force them to release. Then everyone moves over there. Then Claude faces the same pressure. So even so, I think it could still work even if you have to trade off who you are boycotting from time to time.

Without more details on the credibility of the safety concern this seems like a totally coherent action for customers to take. We shouldn't put up with teasing.

17m agoHN ↗

The real announcement is the ultra fast mode ... Astra at 300t/s is insane!

13m agoHN ↗

I am afraid to ask for the price multiplier here. And it will burn your weekly allowance not in 1 day, but in 3 hours now? Or just one?

16m agoHN ↗

Are you guys in dev day? did they start?

15m agoHN ↗

didn't 6 sol just come out a couple weeks ago?

13m agoHN ↗

Other comments have already addressed this.

14m agoHN ↗

the race to the bottom on models is well underway. huge IPO's only really make sense for DC/HW lockups, and going vertical.

14m agoHN ↗

It is hard to trust these scores. GPP 6 Sol has been so bad for few days.

12m agoHN ↗

They need to fix Astra first. My main issue is with GPT in general is that unless steered it goes into building AI “sloppiness”/machinery that is not “needed”.

The good part is that this kind of behaviour also makes it good to find subtle bugs or debug issues that Fable/Claude just cannot get/fix even when you point it.

11m agoHN ↗

The GPT 6 release was ... horrible.

Sol 6 was so bad that I switched over to Opus 5.5 exclusively.

Huge regression compared to Sol 5.6, often doing really dumb things. Same for Luna.

Even Astra is very unreliable for coding. Sometimes it is great, but it also often does very stupid things. And Luna also was worse rather than better.

I'm a bit sour on OpenAI right now and skeptical that 6.1 will be much different.

6m agoHN ↗

How does this jive with the exponential growth claims? Theoretically sol models are better than the 4 series models I was using at the beginning of the year, but in practice the results don’t seem to be much better. They always nerf the models over the course of the release so it _looks_ like the next version is better but I haven’t seen actual capability growth since ~January, and I’m pretty sure that was all tooling/harness improvements.

9m agoHN ↗

DeepSeek and GLM made it impossible for "sota" to price any way they want.

7m agoHN ↗

GPT 6 Sol is obsolete after only one week! I am glad that they are not afraid to update the model more frequently. The Navier-Stokes thing revealed that it took them only a week or two to train a model more capable than Astra, and I want the pace of public releases to keep up with that.

7m agoHN ↗

I got a popup in my Codex just now saying "Try out 6.1 Sol!" and so I clicked the button to try it, and intriguingly, it set my model selector to "GPT-6 Astra Light" which makes me think 6.1 Sol may be in some way just a lighter/distilled version of Astra? defo interesting, not sure if I should read too much into it though. I see now option for directly selecting 6.1 Sol in my Codex Desktop UI.

7m agoHN ↗

Came here only to check if the pelican spam has made it to the top again.

7m agoHN ↗

“OpenAI's new Pro 500 plan offers OpenAI's highest usage allowance and comes with access to its new "Ultrafast" feature — it also costs $500 per month.

At the same time, OpenAI is also making its existing $200 Pro plan less appealing. In Codex and Work, $200 Pro subscribers will see their included usage decrease from 20x of what the company offers to Plus users, down to 10x of that same allowance. In ChatGPT, meanwhile, GPT-6 Pro message caps will decrease from 200 to 100 per week.”

https://www.engadget.com/2272106/openai-adds-dollar500-pro-s...

Yikes

6m agoHN ↗

They released GPT 6 Sol literally 6 days ago. We've accelerated to a weekly model release cadence. That seems like...a big deal.

6m agoHN ↗

Typically how long does codex take to update with the right model metadata for the release of a new model?

{"type":"item.completed","item":{"id":"item_0","type":"error","message":"Model metadata for `gpt-6.1-sol` not found. Defaulting to fallback metadata; this can degrade performance and cause issues."}}

5m agoHN ↗

OAI and Anthropic are locked in an unwindable race. Fighting over the same pool of users while cost is growing at geometric pace.

5m agoHN ↗

Impressive improvements, but GPT 6 Sol came out 7 days ago, and this one will behave differently. The panicked pace is becoming a liability, maybe they should have waited and released this as the 6.0 release

4m agoHN ↗

I guess they released this because GPT-6 Sol was underwhelming, they didn't even release it to ChatGPT. It was basically GPT-5.6 Terra for the price of Sol. However, who doesn't like price cuts? Astra for the fifth of the price? Wow, OpenAI have been quite generous recently, I still have not forgotten their 90% price cut with GPT-5.6 Luna, and now this? Astra was truly a milestone, and now they are offering similar "intelligence" for cheaper price. Incredible.

One thing I wish was better communicated is the mileage we get for our subscriptions. I do not fully understand how much usage I get with each model and their reasoning effort on 5h and weekly limit in Codex. I am asking because I know switching to Astra would consume my 5h usage limit quite rapidly, so I avoid it. If I knew how much mileage I would get from each model and respective reasoning effort, then I would be able to plan my workflow better and know when to upgrade model for a task. In almost all cases, GPT-6 Luna (XHigh) have been enough. That's why I appreciate its discount, because its dirt cheap, yet highly capable.

In other news:

In the coming days, we’ll also offer GPT‑6.1 Sol Ultrafast , with up to 8x faster token generation compared to its standard speed in Codex.