Modeldex
Upstage

Solar Mini 4

CTX524K
Reasoning · Tools
TextInput$0.10/M
TextOutput$0.40/M

Upstage's compact, cost-efficient model for agentic use

PaidProprietary1024/1044
Drag to turnCard front showing

UpstageTextCommon

Solar Mini 4

Upstage's compact, cost-efficient model for agentic use

solar-mini4
Type
Text
Quality
Not rated yet
Context window
524,288 tokens
Max output
131,072 tokens
Input price
$0.10 / 1M tokens
Output price
$0.40 / 1M tokens
Cache read
$0.01 / 1M tokens
Cache write
—
Released
Sep 22, 2026
Knowledge cutoff
Feb 2026
Takes in
Text
Puts out
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
File attachments
No
Access
Paid
License
Proprietary
Rarity
Common
Set number
1024/1044

Weights aren’t public. Use is governed by Upstage’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: developers.upstage.ai.

How good is it?

Public leaderboard scores for Solar Mini 4, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists Solar Mini 4 yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

4 providers sell Solar Mini 4 through an API. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
NanoGPTCheapest paidupstage/solar-mini4$0.05$0.20524K
OpenRouterupstage/solar-mini4$0.05$0.20524K
Kilo Gatewayupstage/solar-mini4$0.10$0.40524K
UpstageOfficialsolar-mini4$0.10$0.40524K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

More from Upstage

Upstage

Solar Pro 4

CTX524K
60Quality
Reasoning · Tools
TextInput$0.30/M
TextOutput$1.20/M

Upstage's flagship model, specialized for agentic use

PaidProprietary968/1044
Upstage

solar-pro3

CTX131K
Reasoning · Tools
TextInput$0.25/M
TextOutput$0.25/M

Flagship model for demanding analysis, coding, and production agent workflows

PaidProprietary737/1044
Upstage

solar-pro2

CTX66K
Reasoning · Tools
TextInput$0.25/M
TextOutput$0.25/M

Flagship model for demanding analysis, coding, and production agent workflows

PaidProprietary573/1044
Upstage

solar-mini

CTX33K
Tools
TextInput$0.15/M
TextOutput$0.15/M

Efficient model for low-latency assistance, extraction, and routine automation

PaidProprietary331/1044
Deck0/4
  1. Empty slot
  2. Empty slot
  3. Empty slot
  4. Empty slot