GPT-6 Luna vs Solar Mini 4

Price, context window & benchmark comparison

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GPT-6 Luna

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
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Solar Mini 4

Upstage
$0.05 / $0.20
Input / Output · per 1M tokens
Compare different models
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Verdict: Solar Mini 4 is 2.3× cheaper than GPT-6 Luna on a typical 3:1 input/output mix. GPT-6 Luna has the larger context window (1.1M vs 524K).
GPT-6 LunaSolar Mini 4
Input price / 1M$0.10$0.05
Output price / 1M$0.50$0.20
Blended price (3:1)$0.20$0.0875
Cached input / 1M$0.01$0.005
Context window1.1M524K
Max output128K131K
Intelligence index37.3
Coding index
Providers7
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-09-23
Retirement

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FAQ

Which is cheaper, GPT-6 Luna or Solar Mini 4?

Solar Mini 4 is 2.3× cheaper than GPT-6 Luna on a typical 3:1 input/output mix.

GPT-6 Luna vs Solar Mini 4: which has a bigger context window?

GPT-6 Luna: 1,050,000 tokens. Solar Mini 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Luna ≈ $450.00, Solar Mini 4 ≈ $200.00.

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