| ▲ | bentt 7 hours ago |
| They've put themselves in a corner. Fable was too good and they gave it away with the $20 plan. It had to be a big step from Opus 4.8 to show progress, and Opus 4.8 is GREAT at coding in many different domains. But they're getting killed on token cost. They have to get people paying more for tokens. So then they put Fable in the $200 plan and release Opus 5. I'm suspicious of Opus 5. It is mostly worse than 4.8. It _seems_ like they nerfed it to create more distance between it and Fable. So what have most of us done? Stayed on Opus 4.8. The statistics bear this out. 4.8 still dominates. Now they're stuck. If they take 4.8 away, everyone will riot. If they make Opus 5.x better than 4.8, they disincentivize everyone from moving to Fable and most importantly, paying more. Really, all they can do is take the L for now and just let 4.8 be the apex of the $20 pro plan for the foreseeable future while they work like hell to make Fable THAT much better that it earns the $200 to $infinity that they really want everyone to pay. |
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| ▲ | bitexploder 3 hours ago | parent | next [-] |
| I kind of still chill out on Opus 4.6 too. 4.8 is good too. I go between them. Opus 4.8 is a little smarter some of the time. Their use of language is both very different from Opus 5. Some of the time I have a hard time believing Opus 5 is even related to Opus 4.6 and 4.8. |
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| ▲ | Retr0id 2 hours ago | parent [-] | | I'm going to be sad when they retire 4.6. It's not my daily driver but it's still my go-to when the other models are being stupid in one way or another (either being too verbose, or lecturing me about how what I'm asking for is evil and bad). | | |
| ▲ | Melonai an hour ago | parent | next [-] | | Hah! I was so surprised to get that "lecturing" behavior from Opus 5 too, I didn't know it was more common. | |
| ▲ | pertymcpert 2 hours ago | parent | prev [-] | | I tested all recent Opus versions and 4.6 and 4.7 were both fine FWIW. Seems 4.8 is when something started to go wrong. | | |
| ▲ | bitexploder an hour ago | parent [-] | | That seems about right. 4.8 is like in between 4.6 and 5 in terms of capability and language and they are all pretty close honestly. I just default to using Opus 5 for a coding agent that I don't interact with and I like driving with Opus 4.6 or Fable. Fable thinks too much though. Fable is like that engineer on your team that will over-engineer the shit out of something if you let them. Fable was like, "Here are 34 yaks, which shall we shave first <hands rubbing together>" and I was like can't we just... write the script first and then decide of any of these poor yaks need shaving? |
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| ▲ | ikidd 4 hours ago | parent | prev | next [-] |
| And they've hobble Fable and Opus so hard with their safety guardrails, I ask innocuous questions and tasks and they get flagged so often I gave up on it. I can get all the work I need done in GPT5.5 or 5.6 without the hassle. I just kept a $20 plan going for use on my phone. |
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| ▲ | hardolaf 3 hours ago | parent | next [-] | | They also made Fable no longer ZDR for businesses which killed tons of demand for it. | |
| ▲ | ericol 4 hours ago | parent | prev [-] | | I had Fable bail on me because I used the word autopilot on a project. Changed to something unrelated, and off we went. | | |
| ▲ | dwaltrip 4 hours ago | parent | next [-] | | I haven’t hit the Fable guardrails a single time after substantial usage. And I’m working on a ML project (a game AI). I don’t doubt people are hitting it… shrugs | | |
| ▲ | 8cvor6j844qw_d6 3 hours ago | parent | next [-] | | It tends to bail occasionally for me once auth-related code comes into play. Nowadays Codex handles the bulk of the implementation and Fable/Opus on the planning. Not sure if Anthropic patched it, but early on its release the web UI Fable guardrails will trip if you mention you're a biologist. | |
| ▲ | gensym an hour ago | parent | prev | next [-] | | I hit it whenever doing anything related to security. Auditing code, probing systems, investigating suspicious user activity, etc. | |
| ▲ | brookst 4 hours ago | parent | prev | next [-] | | Yeah same. Multiple 20x max accounts, I typically hit > 50% of the fable usage limit on eace, literally never seen a guardrail. Maybe I’m boring? Maybe they have some kind of account reputation system? | |
| ▲ | WatchDog 2 hours ago | parent | prev | next [-] | | Doesn't it silently downgrade to Opus for ML work? | |
| ▲ | SatvikBeri 3 hours ago | parent | prev | next [-] | | I hit it once when I asked a question about whether butterflies remember anything from their time as caterpillars. I've never hit it for coding, but I also don't really do much related to security. | | |
| ▲ | hparadiz 2 hours ago | parent [-] | | It's less likely to give you pushback if you inject your own AI personality into the prompt. |
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| ▲ | jmvoodoo 3 hours ago | parent | prev [-] | | I’ve only hit it twice. First time was a code review. Fair. 2nd time was literally me being lazy and telling it to commit and open a PR. Very strange. |
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| ▲ | mmastrac 4 hours ago | parent | prev [-] | | I found a crash in zsh and Fable refused to work after that. |
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| ▲ | bentt an hour ago | parent | prev | next [-] |
| The other thing I forgot to mention about Opus 5 is that at least out of the gate, it seemed very intent on spinning up agents and obliterating my token budget. It was noticeably more token hungry than 4.8. It would make sense for them to intend this behavior. |
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| ▲ | somenameforme an hour ago | parent [-] | | This is likely because of your thinking level. The difference between max and ultracode is primarily that the latter is max with a bunch of agents. | | |
| ▲ | bentt an hour ago | parent [-] | | Did they change the default perhaps? I didn't touch anything with thinking level in that time. |
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| ▲ | Retr0id 2 hours ago | parent | prev | next [-] |
| > The statistics bear this out. 4.8 still dominates. Where can I find these stats? |
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| ▲ | bryan0 2 hours ago | parent [-] | | The article has a chart with this data. They credit “Ramp AI index”. The chart’s a bit confusing though, like what are the units of the y-axis? | | |
| ▲ | somenameforme an hour ago | parent [-] | | Also on a dark reader? It says at the bottom, but gets dimmed out pretty seriously with dark reading. It's a 7 day average business spend, relative to June 1st (2025 presumably) indexed at 100. |
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| ▲ | 6 hours ago | parent | prev | next [-] |
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| ▲ | GPerson 6 hours ago | parent | prev | next [-] |
| Fable is still on the $100 plan for me. (Maybe this is A/B testing or something.) |
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| ▲ | rafaelmn 6 hours ago | parent | next [-] | | Might as well not be - I routinely get rate limited in a single review session. I've honestly stopped using CC and moved to codex. Sol has it's warts but I've never once hit limits on a 100€ and I get a similar level of performance for what I'm doing. I wouldn't mind bumping Fable to 200$ plan if it was actually better but between the insane caps, reverting to opus/sonnet randomly and having similar perf as OAI - I'm done with it. Next step is to put 100$ into open router and try some western hosted open models with Pi when OAI starts pulling up prices. | | |
| ▲ | almog 4 hours ago | parent | next [-] | | What do you mean by "review session"? | |
| ▲ | alasdair_ 6 hours ago | parent | prev [-] | | You can turn off the reverting to opus with an option. | | |
| ▲ | rafaelmn 5 hours ago | parent [-] | | I did not know that - but what happens then I get denied and I plead with the model that my usecase doesn't violate its TOS ? Edit prompt till I get it to pass ? Reverting is annoying but being flagged for security questions while I'm doing code review is insane. | | |
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| ▲ | bryan0 2 hours ago | parent | prev | next [-] | | Yeah for me Fable works great on the $100 plan. The problem with Fable is you will hit the weekly limit. The $200 plan does not give you 4x or even 2x the weekly limit. For me i only get about 1.3x weekly quota, so I don’t think it’s worth it. | |
| ▲ | giancarlostoro 5 hours ago | parent | prev [-] | | I still havent used it much, and they crippled Opus for what feels like no reason. Some suspect that Opus knowing theres a better model degrades it some. Shame. |
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| ▲ | 6 hours ago | parent | prev | next [-] |
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| ▲ | varispeed 3 hours ago | parent | prev [-] |
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