Jahanzaib
Upstage: solar-miniOfficial docs

Upstage: solar-mini

byUpstage
Official docs

solar-mini is a language model from Upstage released on Jun 12, 2024. It reads text and writes text, with a 33K token context window and up to 4K tokens per reply.

Show more

It costs $0.15 per million input tokens and $0.15 per million output tokens.

It supports tool calling.

Modalities
In / out price
$0.15 / $0.15 per 1M
Context
33K
Max output
4K
Released
Jun 12, 2024
Knowledge cutoff
Sep 2024
  • Tool calling
  • Structured output
  • Reasoning
  • Prompt caching
  • Open weights
  • Free to use

solar-mini pricing

USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.

Input$0.15 / 1M tokens
Output$0.15 / 1M tokens

What solar-mini costs per month

Pick a workload close to yours or type your own volumes.

solar-mini per month
$12.82
Without caching
$12.82
Per request
$0.0004

Supported request parameters

What you can set when you call solar-mini through an OpenAI compatible API.

  • Toolstools
  • Temperaturetemperature

Alternatives to solar-mini

Models that take the same inputs and call tools, closest in price, cheaper ones first.

  • Mistral: Ministral 3 8B

    Index 5.5

    Reads text and images. Tool calling, structured output. Served by 9 providers.

    by mistralaiDec 2, 2025262K context$0.15/M input tokens$0.15/M output tokens9 providers

  • OpenAI: GPT OSS 20B

    Index 10

    Reads text. Tool calling, structured output, reasoning. Served by 35 providers.

    by openaiJun 1, 2024128K context$0.07/M input tokens$0.30/M output tokens35 providers

  • Google: Gemma 4 31B Split-Untied

    Reads text. Tool calling.

    by googleSep 17, 2026$0.10/M input tokens$0.30/M output tokens

  • StepFun: Step 3.5 Flash 2603

    Reads text. Tool calling, structured output, reasoning. Served by 6 providers.

    by stepfunApr 2, 2026$0.10/M input tokens$0.30/M output tokens6 providers

  • StepFun: Step 3.5 Flash

    Reads text. Tool calling, structured output, reasoning. Served by 13 providers.

    by stepfunJan 29, 2026$0.10/M input tokens$0.30/M output tokens13 providers

  • Xiaomi: MiMo-V2-Flash

    Reads text. Tool calling, reasoning. Served by 2 providers.

    by xiaomiDec 16, 2025$0.10/M input tokens$0.30/M output tokens2 providers

More from Upstage

  • Solar Mini 4 Thinking

    Reads text. Tool calling, structured output, reasoning. Served by 2 providers.

    by upstageSep 23, 2026$0.05/M input tokens$0.20/M output tokens2 providers

  • Solar Pro 4

    Reads text. Tool calling, structured output, reasoning. Served by 5 providers.

    by upstageAug 6, 2026$0.30/M input tokens$1.20/M output tokens5 providers

  • solar-pro3

    Reads text. Tool calling, structured output, reasoning. Served by 5 providers.

    by upstageJan 1, 2026$0.25/M input tokens$0.25/M output tokens5 providers

  • solar-pro2

    Reads text. Tool calling, reasoning. Served by 2 providers.

    by upstageMay 20, 2025$0.25/M input tokens$0.25/M output tokens2 providers

All Upstage models

solar-mini questions

How much does the solar-mini API cost?

$0.15 per million input tokens and $0.15 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.

What is the context window of solar-mini?

32,768 tokens of input, and it can write up to 4,096 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.

Does solar-mini support tool calling?

Yes. It accepts tool definitions, which is what an agent needs to call your APIs.

Is solar-mini open source?

No. Upstage serves it through an API only, so you cannot download the weights or host it yourself.

When was solar-mini released?

Jun 12, 2024, with training data up to Sep 2024.

Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.