Claude Opus 5.5 vs Solar Mini 4

Price, context window & benchmark comparison

A

Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
U

Solar Mini 4

Upstage
$0.05 / $0.20
Input / Output · per 1M tokens
Compare different models
A
U
Verdict: Solar Mini 4 is 91.4× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 has the larger context window (1M vs 524K).
Claude Opus 5.5Solar Mini 4
Input price / 1M$4.00$0.05
Output price / 1M$20.00$0.20
Blended price (3:1)$8.00$0.0875
Cached input / 1M$0.20$0.005
Context window1M524K
Max output128K131K
Intelligence index57.6
Coding index
Providers11
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, Claude Opus 5.5 or Solar Mini 4?

Solar Mini 4 is 91.4× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Solar Mini 4: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Solar Mini 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Solar Mini 4 ≈ $200.00.

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