What is the context window of TNG R1T Chimera by NanoGPT?

TNG R1T Chimera by NanoGPT has a context window of 128K tokens. It supports up to 128K input tokens and can generate up to 66K output tokens.

What input and output types does TNG R1T Chimera support?

TNG R1T Chimera by NanoGPT accepts text as input and can generate text as output.

Is TNG R1T Chimera by NanoGPT open source?

No, TNG R1T Chimera by NanoGPT has closed weights. The model is only available through the NanoGPT API.

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TNG R1T Chimera API

NanoGPT

About

Process massive datasets with TNG R1T Chimera, featuring an expansive 128K context window for long-document analysis. This model delivers cost-effective pricing at $0.30/1M input and $1.20/1M output tokens. Access TNG R1T Chimera via the NanoGPT API with up to 66K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text

Reasoning

Structured Output

Tool Use

WeightsClosed

Temperature

Fixed

Attachment

Not Supported

Limits

Context Window

128K

Tokens

Input Limit

128K

Tokens

Max Output

66K

Tokens

Pricing

Standard (per 1M tokens)

Input

$0.30

Output

$1.20

Frequently Asked Questions

TNG R1T Chimera by NanoGPT costs $0.30 per 1M input tokens and $1.20 per 1M output tokens.

Model Details

tngtech/tng-r1t-chimera

Provider

NanoGPT

Family

tngtech

Release Date

Nov 26, 2025

Knowledge Cutoff

N/A

API Integration

NPM Package

@ai-sdk/openai-compatible

Environment Variables

NANO_GPT_API_KEY

API Base URL

https://nano-gpt.com/api/v1

Documentation