Claude Fable 5.2 vs Solar Pro 4

Price, context window & benchmark comparison

Anthropic

Claude Fable 5.2

Anthropic
$8.00 / $40.00
Input / Output · per 1M tokens
VS
Upstage

Solar Pro 4

Upstage
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
Anthropic
Upstage
Verdict: Solar Pro 4 is 61.0× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix. Claude Fable 5.2 scores higher on the Artificial Analysis Intelligence Index (64.6 vs 28.2). Claude Fable 5.2 has the larger context window (1M vs 524K).
Claude Fable 5.2Solar Pro 4
Input price / 1M$8.00$0.15
Output price / 1M$40.00$0.60
Blended price (3:1)$16.00$0.26
Cached input / 1M$0.20$0.03
Context window1M524K
Max output128K131K
Intelligence index64.628.2
Coding index—52.7
Providers5—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-11-072026-08-10
Retirement——

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FAQ

Which is cheaper, Claude Fable 5.2 or Solar Pro 4?

Solar Pro 4 is 61.0× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix.

Claude Fable 5.2 vs Solar Pro 4: which has a bigger context window?

Claude Fable 5.2: 1,000,000 tokens. Solar Pro 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Fable 5.2 ≈ $36,000, Solar Pro 4 ≈ $600.00.

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