What is the context window of Solar Pro 3 by NanoGPT?

Solar Pro 3 by NanoGPT has a context window of 128K tokens. It supports up to 128K input tokens and can generate up to 128K output tokens.

What input and output types does Solar Pro 3 support?

Solar Pro 3 by NanoGPT accepts text as input and can generate text as output.

Is Solar Pro 3 by NanoGPT open source?

No, Solar Pro 3 by NanoGPT has closed weights. The model is only available through the NanoGPT API.

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Solar Pro 3 API

NanoGPT

About

Process massive datasets with Solar Pro 3, featuring an expansive 128K context window for long-document analysis. This model delivers cost-effective pricing at $0.15/1M input and $0.60/1M output tokens. Access Solar Pro 3 via the NanoGPT API with up to 128K 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

128K

Tokens

Pricing

Standard (per 1M tokens)

Input

$0.15

Output

$0.60

Caching (per 1M tokens)

Read

$0.01

Frequently Asked Questions

Solar Pro 3 by NanoGPT costs $0.15 per 1M input tokens and $0.60 per 1M output tokens. Cached reads cost $0.01 per 1M tokens.

Model Details

upstage/solar-pro-3

Provider

NanoGPT

Family

Release Date

Mar 3, 2026

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