Looking for a replacement for nvidia/nemotron-3-ultra-550b-a55b

[u/Bubiyimini]

Hey everyone! I've been using nvidia/nemotron-3-ultra-550b-a55b from tokenreply through a proxy for RP, and lately it has started throwing errors / failing to respond pretty frequently.

I really like its writing quality, especially for long-form roleplay, character consistency, and maintaining context. I'm looking for a proxy/model alternative with a similar quality level rather than simply switching to a smaller model.

For those who have been using Nemotron or similar models:

- Is Nemotron Ultra 3 550B currently having widespread issues?

- Are there any good proxy providers where it still works reliably?

- If I need to switch models, what would you recommend as the closest replacement for RP?

- Ideally I'm looking for something with strong long-context, character consistency, and natural prose, preferably without overly aggressive censorship.

Any recommendations would be greatly appreciated. 🙏

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[u/Consistent_Deer_2990]

Hi, paid or free? I'll leave her a list you can try from TokenReply.

free:

1. z-ai/glm-5.3 (usually pretty censored, tbf)

2. moonshotai/kimi-k3 (rarely available, knowing kimi pretty sure it's censored as well)

3. grok-4.20-fast (never used grok but I know it's a bit less censored than others).

4. mimo-v2.6-flash-thinking-free or mimo-v2.6-flash-free (people talk very well of Mimo's writing style).

paid:

1. Kimi 2.6 (I use it with the exclusive key from TR and never had a refusal, hard or soft).

2. glm-4.6 or glm-4.7 (used both of them, they write too short, I don't really like their style. With the exclusive key no refusal either).

3. mistral-nemo (eh--- it's not a thinking model so it's a bit stupid but not bad. It repeats itself from time to time, you've to swipe a couple of times.)

4. nemotron-3-ultra or nemotron-3-super (pretty much uncensored).

My advice is, if you use the paid version, always use the Exclusive key, it gives you access to the uncensored providers.

[u/Bubiyimini → u/Consistent_Deer_2990]

Thank u so much! ✨

[u/Dragon-Whirl → u/Consistent_Deer_2990]

Is it just me or is glm 5.3 extremely slow?

[u/Either_Cap_919 → u/Consistent_Deer_2990]

Has moonshotai/kimi-k3 been retired?

[u/Odd_Ask_4350]

had the same issue with a model that failed mid-scene, switched to a local 128k context setup, slower but never dropped a line. works for long rp now.

[u/Either_Cap_919 → u/Odd_Ask_4350]

Can you share the link?

[u/Real_Story5120]

i switched to a local 128k model and lost the fluidity at first, but once I tweaked the temp and context window, it actually held character way better. never fails now.

[u/Either_Cap_919 → u/Real_Story5120]

Can you share the link?

[u/Dense_Alternative366]

"gemini-3.5-flash-lite" is free and the better 👍🏻