Undi95

ReMM SLERP 13B

Generally availableOpen weights6K context

Summary

ReMM SLERP 13B is an open-weight language model from Undi95, released on 22 Jul 2023. It accepts text and generates text, with a 6K-token context window and up to 6K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.35 per million input tokens and $0.65 per million output tokens (OpenRouter), across 1 provider we track.

A recreation trial of the original MythoMax-L2-B13 but with updated models. #merge

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperUndi95
Release date22 Jul 2023 [OpenRouter]
StatusGenerally available
WeightsOpen weights [Hugging Face]
Licensecc-by-nc-4.0 [Hugging Face]
Context window6K (6,144 tokens) [OpenRouter]
Max output6K tokens [OpenRouter]
Knowledge cutoff30 Jun 2023 [OpenRouter]
InputText [OpenRouter]
OutputText [OpenRouter]
Reasoning modeNo [OpenRouter]
Tool callingNo [OpenRouter]
Structured outputYes [OpenRouter]
Hugging FaceUndi95/ReMM-SLERP-L2-13B [Hugging Face]

ReMM SLERP 13B API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
OpenRouter
undi95/remm-slerp-l2-13b
$0.35$0.65–6KOpenRouter, 4 Oct 2026

Frequently asked questions

What is the context window of ReMM SLERP 13B?

ReMM SLERP 13B has a context window of 6,144 tokens (6K) and can generate up to 5,529 tokens in a single response, according to OpenRouter.

How much does the ReMM SLERP 13B API cost?

ReMM SLERP 13B is listed from $0.35 per million input tokens and $0.65 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.

Is ReMM SLERP 13B open source?

ReMM SLERP 13B is an open-weight model: its weights are published on Hugging Face as Undi95/ReMM-SLERP-L2-13B under the cc-by-nc-4.0 license. Check the license terms before commercial use.

When was ReMM SLERP 13B released?

Undi95 released ReMM SLERP 13B on 22 Jul 2023, according to OpenRouter.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources