Claude Opus 5.5 vs Cydonia 24B V4.1

Price, context window & benchmark comparison

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Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
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Cydonia 24B V4.1

Thedrummer
$0.30 / $0.50
Input / Output · per 1M tokens
Compare different models
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Verdict: Cydonia 24B V4.1 is 22.9× 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 131K).
Claude Opus 5.5Cydonia 24B V4.1
Input price / 1M$4.00$0.30
Output price / 1M$20.00$0.50
Blended price (3:1)$8.00$0.35
Cached input / 1M$0.20$0.15
Context window1M131K
Max output128K118K
Intelligence index57.6
Coding index
Providers11
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesNo
Tool callingYesNo
Released2026-09-222025-09-27
Retirement

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FAQ

Which is cheaper, Claude Opus 5.5 or Cydonia 24B V4.1?

Cydonia 24B V4.1 is 22.9× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Cydonia 24B V4.1: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Cydonia 24B V4.1: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Cydonia 24B V4.1 ≈ $850.00.

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