NanoGPT logo

NanoGPT

Lumen Stealth

Canonical ID: nano-gpt/nano/lumen-stealth

Experimental multimodal model focused on reasoning, creative writing, roleplay, and agentic workflows. Available temporarily for evaluation ahead of public release. During this evaluation, prompts and responses are logged and may be reviewed to evaluate and improve the model. Do not send sensitive or confidential information.

Reasoning: Yes Tool use: No

Overview

text image
Provider
NanoGPT logo NanoGPT
Family
lumen-stealth
Release date
2026-09-22
Last updated
2026-09-22
Input modalities
text, image
Output modalities
text

Pricing and Limits

Token pricing

Input
$0.05/1M
Output
$0/1M
Cached input
N/A
Currency: USD

Context and output

Context window
200,000
Max output tokens
16,000
Qualified ID
nano-gpt/nano/lumen-stealth

Model Summary

Lumen Stealth is a model listing in the NanoGPT provider catalog. It is categorized under the lumen-stealth family.

The model supports text, image modalities across input/output paths. Reported context capacity is 200,000. Pricing is listed at $0.05/1M input and $0/1M output.

More From NanoGPT

Related models from the same provider catalog.

View all from NanoGPT