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Creator unverified · current

Solar Mini 4

Solar Mini 4 is listed with its creator unverified. It accepts text input and produces text output. Reported capabilities include tool calling and structured output.

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Modalities

Hosted provider token rates

$0.05 / $0.20

USD per 1M input / output tokens · NanoGPT

Context

524K

Released

2026-09-22

Knowledge cutoff

Feb 2026

No recent lab-operated provider rate is available. Showing the third-party host with the lowest input rate + ¼ output rate. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

5 observed offerings · token prices in USD per million where available

Estimate your workload cost
NanoGPT

upstage/solar-mini4

current

Input

$0.05

Output

$0.20

Cache

$0.005

Context

524K

Max output

131K
Reasoning
No
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

OpenRouter

upstage/solar-mini4

current

Input

$0.05

Output

$0.20

Cache

$0.005

Context

524K

Max output

131K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

Upstage

solar-mini4

current

Input

$0.10

Output

$0.40

Cache

$0.01

Context

524K

Max output

131K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

Kilo Gateway

upstage/solar-mini4

current

Input

$0.10

Output

$0.40

Cache

$0.01

Context

524K

Max output

131K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

NanoGPT

upstage/solar-mini4:thinking

current

Input

$0.05

Output

$0.20

Cache

$0.005

Context

524K

Max output

131K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Capabilities and limits

Input
text
Output
text
Max output
131K
Weights
Closed (source-reported)
Release
2026-09-22
Knowledge cutoff
Feb 2026
Family
solar-mini

Tool calling · Structured output

Provider-specific limits and support can differ.

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Models to compare

Candidates match reported specifications; they are not tested replacements.

Model and price history

Price history (118 observations)
DateProviderInput / output
2026-11-02Kilo Gateway$0.10 / $0.40
2026-11-02NanoGPT$0.05 / $0.20
2026-11-02NanoGPT$0.05 / $0.20
2026-11-02OpenRouter$0.05 / $0.20
2026-11-02Upstage$0.10 / $0.40
2026-11-01Kilo Gateway$0.10 / $0.40
2026-11-01NanoGPT$0.05 / $0.20
2026-11-01NanoGPT$0.05 / $0.20
2026-11-01OpenRouter$0.05 / $0.20
2026-11-01Upstage$0.10 / $0.40
2026-10-31Kilo Gateway$0.10 / $0.40
2026-10-31NanoGPT$0.05 / $0.20
2026-10-31NanoGPT$0.05 / $0.20
2026-10-31OpenRouter$0.05 / $0.20
2026-10-31Upstage$0.10 / $0.40
2026-10-30Kilo Gateway$0.10 / $0.40
2026-10-30NanoGPT$0.05 / $0.20
2026-10-30NanoGPT$0.05 / $0.20
2026-10-30OpenRouter$0.05 / $0.20
2026-10-30Upstage$0.10 / $0.40
2026-10-29Kilo Gateway$0.10 / $0.40
2026-10-29NanoGPT$0.05 / $0.20
2026-10-29NanoGPT$0.05 / $0.20
2026-10-29OpenRouter$0.05 / $0.20
2026-10-29Upstage$0.10 / $0.40
2026-10-28Kilo Gateway$0.10 / $0.40
2026-10-28NanoGPT$0.05 / $0.20
2026-10-28NanoGPT$0.05 / $0.20
2026-10-28OpenRouter$0.05 / $0.20
2026-10-28Upstage$0.10 / $0.40
2026-10-27Kilo Gateway$0.10 / $0.40
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27OpenRouter$0.05 / $0.20
2026-10-27Upstage$0.10 / $0.40
2026-10-27Kilo Gateway$0.10 / $0.40
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27OpenRouter$0.05 / $0.20
2026-10-27Upstage$0.10 / $0.40
2026-10-27Kilo Gateway$0.10 / $0.40
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27OpenRouter$0.05 / $0.20
2026-10-27Upstage$0.10 / $0.40
2026-10-27Kilo Gateway$0.10 / $0.40
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27NanoGPT$0.05 / $0.20
2026-10-27OpenRouter$0.05 / $0.20
2026-10-27Upstage$0.10 / $0.40
2026-10-26Kilo Gateway$0.10 / $0.40
2026-10-26NanoGPT$0.05 / $0.20
2026-10-26NanoGPT$0.05 / $0.20
2026-10-26OpenRouter$0.05 / $0.20
2026-10-26Upstage$0.10 / $0.40
2026-10-25Kilo Gateway$0.10 / $0.40
2026-10-25NanoGPT$0.05 / $0.20
2026-10-25NanoGPT$0.05 / $0.20
2026-10-25OpenRouter$0.05 / $0.20
2026-10-25Upstage$0.10 / $0.40
2026-10-24Kilo Gateway$0.10 / $0.40
2026-10-24NanoGPT$0.05 / $0.20
2026-10-24NanoGPT$0.05 / $0.20
2026-10-24OpenRouter$0.05 / $0.20
2026-10-24Upstage$0.10 / $0.40
2026-10-24Kilo Gateway$0.10 / $0.40
2026-10-24NanoGPT$0.05 / $0.20
2026-10-24NanoGPT$0.05 / $0.20
2026-10-24OpenRouter$0.05 / $0.20
2026-10-24Upstage$0.10 / $0.40
2026-10-24Kilo Gateway$0.10 / $0.40
2026-10-24NanoGPT$0.05 / $0.20
2026-10-24NanoGPT$0.05 / $0.20
2026-10-24OpenRouter$0.05 / $0.20
2026-10-24Upstage$0.10 / $0.40
2026-10-23Kilo Gateway$0.10 / $0.40
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23OpenRouter$0.05 / $0.20
2026-10-23Upstage$0.10 / $0.40
2026-10-23Kilo Gateway$0.10 / $0.40
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23OpenRouter$0.05 / $0.20
2026-10-23Upstage$0.10 / $0.40
2026-10-23Kilo Gateway$0.10 / $0.40
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23OpenRouter$0.05 / $0.20
2026-10-23Upstage$0.10 / $0.40
2026-10-23Kilo Gateway$0.10 / $0.40
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23OpenRouter$0.05 / $0.20
2026-10-23Upstage$0.10 / $0.40
2026-10-23Kilo Gateway$0.10 / $0.40
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23NanoGPT$0.05 / $0.20
2026-10-23OpenRouter$0.05 / $0.20
2026-10-23Upstage$0.10 / $0.40
2026-10-22Kilo Gateway$0.10 / $0.40
2026-10-22NanoGPT$0.05 / $0.20
2026-10-22NanoGPT$0.05 / $0.20
2026-10-22OpenRouter$0.05 / $0.20
2026-10-22Upstage$0.10 / $0.40
2026-10-21Kilo Gateway$0.10 / $0.40
2026-10-21NanoGPT$0.05 / $0.20
2026-10-21NanoGPT$0.05 / $0.20
2026-10-21OpenRouter$0.05 / $0.20
2026-10-21Upstage$0.10 / $0.40
2026-10-20Kilo Gateway$0.10 / $0.40
2026-10-20NanoGPT$0.05 / $0.20
2026-10-20NanoGPT$0.05 / $0.20
2026-10-20OpenRouter$0.05 / $0.20
2026-10-20Upstage$0.10 / $0.40
2026-10-19NanoGPT$0.05 / $0.20
2026-10-19NanoGPT$0.05 / $0.20
2026-10-19Upstage$0.10 / $0.40